Merge #1190

1190: Bump meilisearch 0 18 1 r=LegendreM a=LegendreM

- bump version to `0.18.1`
- update `CHANGELOG.md`

Co-authored-by: many <maxime@meilisearch.com>

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/check-updated-changelog.yml

@@ -1,16 +0,0 @@
-name: Check if the CHANGELOG.md has been updated
-
-on: [pull_request]
-
-jobs:
-  check:
-    name: Test on ${{ matrix.os }}
-    if: ${{ !contains(github.event.pull_request.labels.*.name, 'ignore-changelog') }}
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Checking the CHANGELOG.md has been updated in this PR
-      run: |
-        set -e
-        git fetch origin ${{ github.base_ref }}
-        git diff --name-only origin/${{ github.base_ref }} | grep -q CHANGELOG.md

.github/workflows/coverage.yml

@@ -0,0 +1,34 @@
+---
+on:
+  pull_request:
+    types: [review_requested, ready_for_review]
+
+name: Execute code coverage
+
+jobs:
+  nightly-coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          override: true
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clean
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --all-features --no-fail-fast
+        env:
+          CARGO_INCREMENTAL: "0"
+          RUSTFLAGS: "-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Cpanic=unwind -Zpanic_abort_tests"
+      - uses: actions-rs/grcov@v0.1
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ${{ steps.coverage.outputs.report }}
+          yml: ./codecov.yml
+          fail_ci_if_error: true

CHANGELOG.md

@@ -1,15 +1,60 @@
+## v0.18.1
+
+  - Fix unexpected CORS error (#1185)
+
+## v0.18.0
+
+  - Integration with the new tokenizer (#1091)
+  - Fix setting consistency bug (#1128)
+  - Fix attributes to retrieve bug (#1131)
+  - Increase default payload size (#1147)
+  - Improvements to code quality (#1167, #1165, #1126, #1161)
+
+## v0.17.0
+  - Fix corrupted data during placeholder search (#1089)
+  - Remove maintenance error from http (#1082)
+  - Disable frontend in production (#1097)
+  - Update nbHits count with filtered documents (#849)
+  - Remove update changelog ci check (#1090)
+  - Add deploy on Platform.sh option to README (#1087)
+  - Change movie gifs in README (#1077)
+  - Remove some clippy warnings (#1100)
+  - Improve script `download-latest.sh` (#1054)
+  - Bump dependencies version (#1056, #1057, #1059)
+
+## v0.16.0
+
+  - Automatically create index on document push if index doesn't exist (#914)
+  - Sort displayedAttributes and facetDistribution (#946)
+
+## v0.15.0
+
+  - Update actix-web dependency to 3.0.0 (#963)
+  - Consider an empty query to be a placeholder search (#916)
+
+## v0.14.1
+
+  - Fix version mismatch in snapshot importation (#959)
+
+## v0.14.0
+
+  - Sort displayedAttributes (#943)
+  - Fix facet distribution case (#797)
+  - Snapshotting (#839)
+  - Fix bucket-sort unwrap bug (#915)
+
 ## v0.13.0
 
   - placeholder search (#771)
   - Add database version mismatch check (#794)
   - Displayed and searchable attributes wildcard (#846)
   - Remove sys-info route (#810)
-  - Fix facet distribution case (#797)
   - Check database version mismatch (#794)
   - Fix unique docid bug (#841)
   - Error codes in updates (#792)
   - Sentry disable argument (#813)
   - Log analytics if enabled (#825)
+  - Fix default values displayed on web interface (#874)
 
 ## v0.12.0
 

CONTRIBUTING.md

@@ -0,0 +1,112 @@
+# Contributing
+
+First, thank you for contributing to MeiliSearch! The goal of this document is to
+provide everything you need to start contributing to MeiliSearch. The
+following TOC is sorted progressively, starting with the basics and
+expanding into more specifics.
+
+<!-- MarkdownTOC autolink="true" style="ordered" indent="   " -->
+
+1. [Assumptions](#assumptions)
+1. [Your First Contribution](#your-first-contribution)
+1. [Change Control](#change-control)
+   1. [Git Branches](#git-branches)
+   1. [Git Commits](#git-commits)
+      1. [Style](#style)
+   1. [Github Pull Requests](#github-pull-requests)
+      1. [Reviews & Approvals](#reviews--approvals)
+      1. [Merge Style](#merge-style)
+   1. [CI](#ci)
+1. [Development](#development)
+   1. [Setup](#setup)
+   1. [Testing](#testing)
+   1. [Benchmarking](#benchmarking--profiling)
+1. [Humans](#humans)
+   1. [Documentation](#documentation)
+   1. [Changelog](#changelog)
+
+<!-- /MarkdownTOC -->
+
+## Assumptions
+
+1. **You're familiar with [Github](https://github.com) and the [pull request](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests)
+   workflow.**
+2. **You've read the MeiliSearch [docs](https://docs.meilisearch.com).**
+3. **You know about the [MeiliSearch community](https://docs.meilisearch.com/resources/contact.html).
+   Please use this for help.**
+
+## Your First Contribution
+
+1. Ensure your change has an issue! Find an
+   [existing issue](https://github.com/meilisearch/meilisearch/issues/) or [open a new issue](https://github.com/meilisearch/meilisearch/issues/new).
+   * This is where you can get a feel if the change will be accepted or not.
+2. Once approved, [fork the MeiliSearch repository](https://help.github.com/en/github/getting-started-with-github/fork-a-repo) in your own
+   Github account.
+3. [Create a new Git branch](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-and-deleting-branches-within-your-repository)
+4. Review the MeiliSearch [workflow](#workflow) and [development](#development).
+5. Make your changes.
+6. [Submit the branch as a pull request](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork) to the main MeiliSearch
+   repo. A MeiliSearch team member should comment and/or review your pull request
+   with a few days. Although, depending on the circumstances, it may take
+   longer.
+
+## Change Control
+
+### Git Branches
+
+_All_ changes must be made in a branch and submitted as [pull requests](#pull-requests).
+MeiliSearch does not adopt any type of branch naming style, but please use something
+descriptive of your changes.
+
+### Git Commits
+
+#### Style
+
+Please ensure your commits are small and focused; they should tell a story of
+your change. This helps reviewers to follow your changes, especially for more
+complex changes.
+
+Familiarise yourself with [How to Write a Git Commit Message](https://chris.beams.io/posts/git-commit/).
+
+### Github Pull Requests
+
+Once your changes are ready you must submit your branch as a pull request.
+
+#### Reviews & Approvals
+
+All pull requests must be reviewed and approved by at least one MeiliSearch team
+member.
+
+#### Merge Style
+
+All pull requests are squashed and merged. We generally discourage large pull
+requests that are over 300-500 lines of diff. If you would like to propose
+a change that is larger we suggest coming onto our chat channel and
+discuss it with one of our engineers. This way we can talk through the
+solution and discuss if a change that large is even needed! This overall
+will produce a quicker response to the change and likely produce code that
+aligns better with our process.
+
+## Development
+
+### Setup
+
+See the [MeiliSearch Docs](https://docs.meilisearch.com/guides/advanced_guides/installation.html) for how to set up a development environment.
+
+### Benchmarking & Profiling
+
+We do not yet do any benchmarking, nor have we formalised our profiling. If you'd like to work on this please get in touch!
+
+## Humans
+
+After making your change, you'll want to prepare it for MeiliSearch users (mostly humans). This usually entails updating documentation and announcing your feature.
+
+### Documentation
+
+Documentation is very important to MeiliSearch. All contributions that
+alter user-facing behavior MUST include documentation changes. Please see
+[GitHub.com/meilisearch/documentation](https://github.com/meilisearch/documentation) for more info.
+
+### Changelog
+
+Until we have guidelines in place, updating the [`Changelog`](/CHANGELOG.md) is solely the responsibility of MeiliSearch team members.

Cargo.toml

@@ -3,7 +3,6 @@ members = [
     "meilisearch-core",
     "meilisearch-http",
     "meilisearch-schema",
-    "meilisearch-tokenizer",
     "meilisearch-types",
 ]
 

README.md

@@ -2,11 +2,11 @@
   <img src="assets/logo.svg" alt="MeiliSearch" width="200" height="200" />
 </p>
 
-
 <h1 align="center">MeiliSearch</h1>
 
 <h4 align="center">
   <a href="https://www.meilisearch.com">Website</a> |
+  <a href="https://roadmap.meilisearch.com/tabs/1-under-consideration">Roadmap</a> |
   <a href="https://blog.meilisearch.com">Blog</a> |
   <a href="https://fr.linkedin.com/company/meilisearch">LinkedIn</a> |
   <a href="https://twitter.com/meilisearch">Twitter</a> |
@@ -29,45 +29,53 @@
 For more information about features go to [our documentation](https://docs.meilisearch.com/).
 
 <p align="center">
-  <a href="https://crates.meilisearch.com"><img src="assets/crates-io-demo.gif" alt="crates.io demo gif" /></a>
+  <img src="assets/trumen_quick_loop.gif" alt="Web interface gif" />
 </p>
 
-> MeiliSearch helps the Rust community find crates on [crates.meilisearch.com](https://crates.meilisearch.com)
-
-## Features
+## ✨ Features
 * Search as-you-type experience (answers < 50 milliseconds)
 * Full-text search
 * Typo tolerant (understands typos and miss-spelling)
+* Faceted search and filters
 * Supports Kanji characters
 * Supports Synonym
 * Easy to install, deploy, and maintain
 * Whole documents are returned
 * Highly customizable
 * RESTful API
-* Faceted search and filtering
 
-## Get started
+## Getting started
 
 ### Deploy the Server
 
-#### Run it using Digital Ocean
-
-[![DigitalOcean Marketplace](assets/do-btn-blue.svg)](https://marketplace.digitalocean.com/apps/meilisearch?action=deploy&refcode=7c67bd97e101)
-
-#### Run it using Docker
-
-```bash
-docker run -p 7700:7700 -v $(pwd)/data.ms:/data.ms getmeili/meilisearch
-```
-
-#### Installing with Homebrew
+#### Brew (Mac OS)
 
 ```bash
 brew update && brew install meilisearch
 meilisearch
 ```
 
-#### Installing with APT
+#### Docker
+
+```bash
+docker run -p 7700:7700 -v $(pwd)/data.ms:/data.ms getmeili/meilisearch
+```
+
+#### Try MeiliSearch in our Sandbox
+
+Create a MeiliSearch instance in [MeiliSearch Sandbox](https://sandbox.meilisearch.com/). This instance is free, and will be active for 72 hours.
+
+#### Run on Digital Ocean
+
+[![DigitalOcean Marketplace](assets/do-btn-blue.svg)](https://marketplace.digitalocean.com/apps/meilisearch?action=deploy&refcode=7c67bd97e101)
+
+#### Deploy on Platform.sh
+
+<a href="https://console.platform.sh/projects/create-project?template=https://raw.githubusercontent.com/platformsh/template-builder/master/templates/meilisearch/.platform.template.yaml&utm_content=meilisearch&utm_source=github&utm_medium=button&utm_campaign=deploy_on_platform">
+    <img src="https://platform.sh/images/deploy/lg-blue.svg" alt="Deploy on Platform.sh" width="180px" />
+</a>
+
+#### APT (Debian & Ubuntu)
 
 ```bash
 echo "deb [trusted=yes] https://apt.fury.io/meilisearch/ /" > /etc/apt/sources.list.d/fury.list
@@ -75,7 +83,7 @@ apt update && apt install meilisearch-http
 meilisearch
 ```
 
-#### Download the binary
+#### Download the binary (Linux & Mac OS)
 
 ```bash
 curl -L https://install.meilisearch.com | sh
@@ -84,7 +92,7 @@ curl -L https://install.meilisearch.com | sh
 
 #### Compile and run it from sources
 
-If you have the Rust toolchain already installed on your local system, clone the repository and change it to your working directory.
+If you have the latest stable Rust toolchain installed on your local system, clone the repository and change it to your working directory.
 
 ```bash
 git clone https://github.com/meilisearch/MeiliSearch.git
@@ -165,33 +173,31 @@ We also deliver an **out-of-the-box web interface** in which you can test MeiliS
 
 You can access the web interface in your web browser at the root of the server. The default URL is [http://127.0.0.1:7700](http://127.0.0.1:7700). All you need to do is open your web browser and enter MeiliSearch’s address to visit it. This will lead you to a web page with a search bar that will allow you to search in the selected index.
 
-<p align="center">
-  <img src="assets/movies-web-demo.gif" alt="Web interface gif" />
-</p>
+| [See the gif above](#demo)
 
-### Documentation
+## Documentation
 
 Now that your MeiliSearch server is up and running, you can learn more about how to tune your search engine in [the documentation](https://docs.meilisearch.com).
 
-
 ## Contributing
 
 Hey! We're glad you're thinking about contributing to MeiliSearch! If you think something is missing or could be improved, please open issues and pull requests. If you'd like to help this project grow, we'd love to have you! To start contributing, checking [issues tagged as "good-first-issue"](https://github.com/meilisearch/MeiliSearch/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22) is a good start!
 
-### Analytic Events
+## Telemetry
 
-Every hour, events are being sent to our Amplitude instance so we can know how many people are using MeiliSearch.<br/>
+MeiliSearch collects anonymous data regarding general usage.
+This helps us better understand developers usage of MeiliSearch features.<br/>
 To see what information we're retrieving, please see the complete list [on the dedicated issue](https://github.com/meilisearch/MeiliSearch/issues/720).<br/>
 We also use Sentry to make us crash and error reports. If you want to know more about what Sentry collects, please visit their [privacy policy website](https://sentry.io/privacy/).<br/>
-If this doesn't suit you, you can disable these analytics by using the `MEILI_NO_ANALYTICS` env variable.
+This program is optional, you can disable these analytics by using the `MEILI_NO_ANALYTICS` env variable.
 
-## Contact
+## 💌 Contact
 
 Feel free to contact us about any questions you may have:
-* At [bonjour@meilisearch.com](mailto:bonjour@meilisearch.com): English or French is welcome! 🇬🇧 🇫🇷
+* At [bonjour@meilisearch.com](mailto:bonjour@meilisearch.com)
 * Via the chat box available on every page of [our documentation](https://docs.meilisearch.com/) and on [our landing page](https://www.meilisearch.com/).
-* 🆕 Join our [GitHub Discussions forum](https://github.com/meilisearch/MeiliSearch/discussions) (BETA hype!)
+* 🆕 Join our [GitHub Discussions forum](https://github.com/meilisearch/MeiliSearch/discussions)
 * Join our [Slack community](https://slack.meilisearch.com/).
 * By opening an issue.
 
-Any suggestion or feedback is highly appreciated. Thank you for your support!
+MeiliSearch is developed by [Meili](https://www.meilisearch.com), a young company. To know more about us, you can [read our blog](https://blog.meilisearch.com). Any suggestion or feedback is highly appreciated. Thank you for your support!

datasets/movies/README.md

@@ -1 +1 @@
-_datas in movies.csv are from https://www.themoviedb.org/_
+_datas in movies.json are from https://www.themoviedb.org/_

datasets/movies/settings.json

@@ -1,10 +0,0 @@
-{
-    "searchableAttributes": ["title", "overview"],
-    "displayedAttributes": [
-        "id",
-        "title",
-        "overview",
-        "release_date",
-        "poster"
-    ]
-}

download-latest.sh

@@ -71,7 +71,7 @@ semverLT() {
 # Returns the tag of the latest stable release (in terms of semver and not of release date)
 get_latest() {
     temp_file='temp_file' # temp_file needed because the grep would start before the download is over
-    curl -s 'https://api.github.com/repos/meilisearch/MeiliSearch/releases' > "$temp_file"
+    curl -s 'https://api.github.com/repos/meilisearch/MeiliSearch/releases' > "$temp_file" || return 1
     releases=$(cat "$temp_file" | \
         grep -E "tag_name|draft|prerelease" \
         | tr -d ',"' | cut -d ':' -f2 | tr -d ' ')
@@ -168,16 +168,17 @@ failure_usage() {
 
 # MAIN
 latest="$(get_latest)"
-get_os
-if [ "$?" -eq 1 ]; then
+
+if ! get_os; then
     failure_usage
     exit 1
 fi
-get_archi
-if [ "$?" -eq 1 ]; then
+
+if ! get_archi; then
     failure_usage
     exit 1
 fi
+
 echo "Downloading MeiliSearch binary $latest for $os, architecture $archi..."
 release_file="meilisearch-$os-$archi"
 link="https://github.com/meilisearch/MeiliSearch/releases/download/$latest/$release_file"

meilisearch-core/Cargo.toml

@@ -1,57 +1,53 @@
 [package]
 name = "meilisearch-core"
-version = "0.13.0"
+version = "0.18.1"
 license = "MIT"
 authors = ["Kerollmops <clement@meilisearch.com>"]
 edition = "2018"
 
 [dependencies]
-arc-swap = "0.4.5"
-bincode = "1.2.1"
+arc-swap = "1.2.0"
+bincode = "1.3.1"
 byteorder = "1.3.4"
-chrono = { version = "0.4.11", features = ["serde"] }
-compact_arena = "0.4.0"
+chrono = { version = "0.4.19", features = ["serde"] }
+compact_arena = "0.4.1"
 cow-utils = "0.1.2"
-crossbeam-channel = "0.4.2"
-deunicode = "1.1.0"
-either = "1.5.3"
-env_logger = "0.7.1"
-fst = "0.4.4"
-hashbrown = { version = "0.7.1", features = ["serde"] }
-heed = "0.8.0"
-indexmap = { version = "1.3.2", features = ["serde-1"] }
-intervaltree = "0.2.5"
-itertools = "0.9.0"
+crossbeam-channel = "0.5.0"
+deunicode = "1.1.1"
+either = "1.6.1"
+env_logger = "0.8.2"
+fst = "0.4.5"
+hashbrown = { version = "0.9.1", features = ["serde"] }
+heed = "0.10.6"
+indexmap = { version = "1.6.1", features = ["serde-1"] }
+intervaltree = "0.2.6"
+itertools = "0.10.0"
 levenshtein_automata = { version = "0.2.0", features = ["fst_automaton"] }
-log = "0.4.8"
-meilisearch-error = { path = "../meilisearch-error", version = "0.13.0" }
-meilisearch-schema = { path = "../meilisearch-schema", version = "0.13.0" }
-meilisearch-tokenizer = { path = "../meilisearch-tokenizer", version = "0.13.0" }
-meilisearch-types = { path = "../meilisearch-types", version = "0.13.0" }
-once_cell = "1.3.1"
-ordered-float = { version = "1.0.2", features = ["serde"] }
-pest = { git = "https://github.com/MarinPostma/pest.git", tag = "meilisearch-patch1" }
-pest_derive = "2.0"
-regex = "1.3.6"
+log = "0.4.11"
+meilisearch-error = { path = "../meilisearch-error", version = "0.18.1" }
+meilisearch-schema = { path = "../meilisearch-schema", version = "0.18.1" }
+meilisearch-tokenizer = { git = "https://github.com/meilisearch/Tokenizer.git", tag = "v0.1.2" }
+meilisearch-types = { path = "../meilisearch-types", version = "0.18.1" }
+once_cell = "1.5.2"
+ordered-float = { version = "2.0.1", features = ["serde"] }
+pest = { git = "https://github.com/pest-parser/pest.git", rev = "51fd1d49f1041f7839975664ef71fe15c7dcaf67" }
+pest_derive = "2.1.0"
+regex = "1.4.2"
 sdset = "0.4.0"
-serde = { version = "1.0.105", features = ["derive"] }
-serde_json = { version = "1.0.50", features = ["preserve_order"] }
+serde = { version = "1.0.118", features = ["derive"] }
+serde_json = { version = "1.0.61", features = ["preserve_order"] }
 slice-group-by = "0.2.6"
 unicase = "2.6.0"
 zerocopy = "0.3.0"
 
 [dev-dependencies]
-assert_matches = "1.3.0"
-criterion = "0.3.1"
-csv = "1.1.3"
-rustyline = { version = "6.0.0", default-features = false }
-structopt = "0.3.12"
+assert_matches = "1.4.0"
+criterion = "0.3.3"
+csv = "1.1.5"
+rustyline = { version = "7.1.0", default-features = false }
+structopt = "0.3.21"
 tempfile = "3.1.0"
-termcolor = "1.1.0"
+termcolor = "1.1.2"
 
 [target.'cfg(unix)'.dev-dependencies]
 jemallocator = "0.3.2"
-
-[[bench]]
-name = "search_benchmark"
-harness = false

meilisearch-core/benches/search_benchmark.rs

@@ -1,108 +0,0 @@
-#[cfg(test)]
-#[macro_use]
-extern crate assert_matches;
-
-use std::error::Error;
-use std::fs::File;
-use std::io::BufReader;
-use std::iter;
-use std::path::Path;
-use std::sync::mpsc;
-
-use meilisearch_core::{Database, DatabaseOptions};
-use meilisearch_core::{ProcessedUpdateResult, UpdateStatus};
-use meilisearch_core::settings::{Settings, SettingsUpdate};
-use meilisearch_schema::Schema;
-use serde_json::Value;
-
-use criterion::{criterion_group, criterion_main, Criterion, BenchmarkId};
-
-fn prepare_database(path: &Path) -> Database {
-    let database = Database::open_or_create(path, DatabaseOptions::default()).unwrap();
-    let db = &database;
-
-    let (sender, receiver) = mpsc::sync_channel(100);
-    let update_fn = move |_name: &str, update: ProcessedUpdateResult| {
-        sender.send(update.update_id).unwrap()
-    };
-    let index = database.create_index("bench").unwrap();
-
-    database.set_update_callback(Box::new(update_fn));
-
-    db.main_write::<_, _, Box<dyn Error>>(|writer| {
-        index.main.put_schema(writer, &Schema::with_primary_key("id")).unwrap();
-        Ok(())
-    }).unwrap();
-
-    let settings_update: SettingsUpdate = {
-        let path = concat!(env!("CARGO_MANIFEST_DIR"), "/../datasets/movies/settings.json");
-        let file = File::open(path).unwrap();
-        let reader = BufReader::new(file);
-        let settings: Settings = serde_json::from_reader(reader).unwrap();
-        settings.to_update().unwrap()
-    };
-
-    db.update_write::<_, _, Box<dyn Error>>(|writer| {
-        let _update_id = index.settings_update(writer, settings_update).unwrap();
-        Ok(())
-    }).unwrap();
-
-    let mut additions = index.documents_addition();
-
-    let json: Value = {
-        let path = concat!(env!("CARGO_MANIFEST_DIR"), "/../datasets/movies/movies.json");
-        let movies_file = File::open(path).expect("find movies");
-        serde_json::from_reader(movies_file).unwrap()
-    };
-
-    let documents = json.as_array().unwrap();
-
-    for document in documents {
-        additions.update_document(document);
-    }
-
-    let update_id = db.update_write::<_, _, Box<dyn Error>>(|writer| {
-        let update_id = additions.finalize(writer).unwrap();
-        Ok(update_id)
-    }).unwrap();
-
-    // block until the transaction is processed
-    let _ = receiver.into_iter().find(|id| *id == update_id);
-
-    let update_reader = db.update_read_txn().unwrap();
-    let result = index.update_status(&update_reader, update_id).unwrap();
-    assert_matches!(result, Some(UpdateStatus::Processed { content }) if content.error.is_none());
-
-    database
-}
-
-pub fn criterion_benchmark(c: &mut Criterion) {
-    let dir = tempfile::tempdir().unwrap();
-    let database = prepare_database(dir.path());
-
-    let reader = database.main_read_txn().unwrap();
-    let index = database.open_index("bench").unwrap();
-
-    let mut count = 0;
-    let query = "I love paris ";
-
-    let iter = iter::from_fn(|| {
-        count += 1;
-        query.get(0..count)
-    });
-
-    let mut group = c.benchmark_group("searching in movies (19654 docs)");
-    group.sample_size(10);
-
-    for query in iter {
-        let bench_name = BenchmarkId::from_parameter(format!("{:?}", query));
-        group.bench_with_input(bench_name, &query, |b, query| b.iter(|| {
-            let builder = index.query_builder();
-            builder.query(&reader, query, 0..20).unwrap();
-        }));
-    }
-    group.finish();
-}
-
-criterion_group!(benches, criterion_benchmark);
-criterion_main!(benches);

meilisearch-core/examples/from_file.rs

@@ -349,8 +349,8 @@ fn search_command(command: SearchCommand, database: Database) -> Result<(), Box<
 
                 if let Some(ref filter) = command.filter {
                     let filter = filter.as_str();
-                    let (positive, filter) = if filter.chars().next() == Some('!') {
-                        (false, &filter[1..])
+                    let (positive, filter) = if let Some(stripped) = filter.strip_prefix('!') {
+                        (false, stripped)
                     } else {
                         (true, filter)
                     };

meilisearch-core/src/automaton/mod.rs

@@ -1,15 +1,4 @@
 mod dfa;
 
-use meilisearch_tokenizer::is_cjk;
-
 pub use self::dfa::{build_dfa, build_prefix_dfa, build_exact_dfa};
 
-pub fn normalize_str(string: &str) -> String {
-    let mut string = string.to_lowercase();
-
-    if !string.contains(is_cjk) {
-        string = deunicode::deunicode_with_tofu(&string, "");
-    }
-
-    string
-}

meilisearch-core/src/bucket_sort.rs

@@ -9,7 +9,7 @@ use std::time::Instant;
 use std::fmt;
 
 use compact_arena::{SmallArena, Idx32, mk_arena};
-use log::debug;
+use log::{debug, error};
 use sdset::{Set, SetBuf, exponential_search, SetOperation, Counter, duo::OpBuilder};
 use slice_group_by::{GroupBy, GroupByMut};
 
@@ -39,7 +39,7 @@ pub fn bucket_sort<'c, FI>(
     query: &str,
     range: Range<usize>,
     facets_docids: Option<SetBuf<DocumentId>>,
-    facet_count_docids: Option<HashMap<String, HashMap<String, Cow<Set<DocumentId>>>>>,
+    facet_count_docids: Option<HashMap<String, HashMap<String, (&str, Cow<Set<DocumentId>>)>>>,
     filter: Option<FI>,
     criteria: Criteria<'c>,
     searchable_attrs: Option<ReorderedAttrs>,
@@ -199,7 +199,7 @@ pub fn bucket_sort_with_distinct<'c, FI, FD>(
     query: &str,
     range: Range<usize>,
     facets_docids: Option<SetBuf<DocumentId>>,
-    facet_count_docids: Option<HashMap<String, HashMap<String, Cow<Set<DocumentId>>>>>,
+    facet_count_docids: Option<HashMap<String, HashMap<String, (&str, Cow<Set<DocumentId>>)>>>,
     filter: Option<FI>,
     distinct: FD,
     distinct_size: usize,
@@ -212,6 +212,7 @@ where
     FD: Fn(DocumentId) -> Option<u64>,
 {
     let mut result = SortResult::default();
+    let mut filtered_count = 0;
 
     let words_set = index.main.words_fst(reader)?;
     let stop_words = index.main.stop_words_fst(reader)?;
@@ -322,19 +323,36 @@ where
                     let filter_accepted = match &filter {
                         Some(filter) => {
                             let entry = filter_map.entry(document.id);
-                            *entry.or_insert_with(|| (filter)(document.id))
+                            *entry.or_insert_with(|| {
+                                let accepted = (filter)(document.id);
+                                // we only want to count it out the first time we see it
+                                if !accepted {
+                                    filtered_count += 1;
+                                }
+                                accepted
+                            })
                         }
                         None => true,
                     };
 
                     if filter_accepted {
                         let entry = key_cache.entry(document.id);
-                        let key = entry.or_insert_with(|| (distinct)(document.id).map(Rc::new));
+                        let mut seen = true;
+                        let key = entry.or_insert_with(|| {
+                            seen = false;
+                            (distinct)(document.id).map(Rc::new)
+                        });
 
-                        match key.clone() {
+                        let distinct = match key.clone() {
                             Some(key) => buf_distinct.register(key),
                             None => buf_distinct.register_without_key(),
                         };
+
+                        // we only want to count the document if it is the first time we see it and
+                        // if it wasn't accepted by distinct
+                        if !seen && !distinct {
+                            filtered_count += 1;
+                        }
                     }
 
                     // the requested range end is reached: stop computing distinct
@@ -370,12 +388,18 @@ where
     let mut documents = Vec::with_capacity(range.len());
     for raw_document in raw_documents.into_iter().skip(distinct_raw_offset) {
         let filter_accepted = match &filter {
-            Some(_) => filter_map.remove(&raw_document.id).unwrap(),
+            Some(_) => filter_map.remove(&raw_document.id).unwrap_or_else(|| {
+                error!("error during filtering: expected value for document id {}", &raw_document.id.0);
+                Default::default()
+            }),
             None => true,
         };
 
         if filter_accepted {
-            let key = key_cache.remove(&raw_document.id).unwrap();
+            let key = key_cache.remove(&raw_document.id).unwrap_or_else(|| {
+                error!("error during distinct: expected value for document id {}", &raw_document.id.0);
+                Default::default()
+            });
             let distinct_accepted = match key {
                 Some(key) => seen.register(key),
                 None => seen.register_without_key(),
@@ -390,7 +414,7 @@ where
         }
     }
     result.documents = documents;
-    result.nb_hits = docids.len();
+    result.nb_hits = docids.len() - filtered_count;
 
     Ok(result)
 }
@@ -637,17 +661,17 @@ pub fn placeholder_document_sort(
 
 /// For each entry in facet_docids, calculates the number of documents in the intersection with candidate_docids.
 pub fn facet_count(
-    facet_docids: HashMap<String, HashMap<String, Cow<Set<DocumentId>>>>,
+    facet_docids: HashMap<String, HashMap<String, (&str, Cow<Set<DocumentId>>)>>,
     candidate_docids: &Set<DocumentId>,
 ) -> HashMap<String, HashMap<String, usize>> {
     let mut facets_counts = HashMap::with_capacity(facet_docids.len());
     for (key, doc_map) in facet_docids {
         let mut count_map = HashMap::with_capacity(doc_map.len());
-        for (value, docids) in doc_map {
+        for (_, (value, docids)) in doc_map {
             let mut counter = Counter::new();
             let op = OpBuilder::new(docids.as_ref(), candidate_docids).intersection();
             SetOperation::<DocumentId>::extend_collection(op, &mut counter);
-            count_map.insert(value, counter.0);
+            count_map.insert(value.to_string(), counter.0);
         }
         facets_counts.insert(key, count_map);
     }

meilisearch-core/src/criterion/mod.rs

@@ -61,7 +61,7 @@ pub trait Criterion {
 }
 
 pub struct ContextMut<'h, 'p, 'tag, 'txn, 'q> {
-    pub reader: &'h heed::RoTxn<MainT>,
+    pub reader: &'h heed::RoTxn<'h, MainT>,
     pub postings_lists: &'p mut SmallArena<'tag, PostingsListView<'txn>>,
     pub query_mapping: &'q HashMap<QueryId, Range<usize>>,
     pub documents_fields_counts_store: store::DocumentsFieldsCounts,

meilisearch-core/src/database.rs

@@ -1,4 +1,5 @@
 use std::collections::hash_map::{Entry, HashMap};
+use std::collections::BTreeMap;
 use std::fs::File;
 use std::path::Path;
 use std::sync::{Arc, RwLock};
@@ -21,13 +22,12 @@ type ArcSwapFn = arc_swap::ArcSwapOption<BoxUpdateFn>;
 
 type SerdeDatetime = SerdeBincode<DateTime<Utc>>;
 
-pub type MainWriter<'a> = heed::RwTxn<'a, MainT>;
-pub type MainReader = heed::RoTxn<MainT>;
+pub type MainWriter<'a, 'b> = heed::RwTxn<'a, 'b, MainT>;
+pub type MainReader<'a, 'b> = heed::RoTxn<'a, MainT>;
 
-pub type UpdateWriter<'a> = heed::RwTxn<'a, UpdateT>;
-pub type UpdateReader = heed::RoTxn<UpdateT>;
+pub type UpdateWriter<'a, 'b> = heed::RwTxn<'a, 'b, UpdateT>;
+pub type UpdateReader<'a> = heed::RoTxn<'a, UpdateT>;
 
-const UNHEALTHY_KEY: &str = "_is_unhealthy";
 const LAST_UPDATE_KEY: &str = "last-update";
 
 pub struct MainT;
@@ -40,6 +40,7 @@ pub struct Database {
     indexes_store: heed::Database<Str, Unit>,
     indexes: RwLock<HashMap<String, (Index, thread::JoinHandle<MResult<()>>)>>,
     update_fn: Arc<ArcSwapFn>,
+    database_version: (u32, u32, u32),
 }
 
 pub struct DatabaseOptions {
@@ -165,7 +166,7 @@ fn update_awaiter(
 
 /// Ensures Meilisearch version is compatible with the database, returns an error versions mismatch.
 /// If create is set to true, a VERSION file is created with the current version.
-fn version_guard(path: &Path, create: bool) -> MResult<()> {
+fn version_guard(path: &Path, create: bool) -> MResult<(u32, u32, u32)> {
     let current_version_major = env!("CARGO_PKG_VERSION_MAJOR");
     let current_version_minor = env!("CARGO_PKG_VERSION_MINOR");
     let current_version_patch = env!("CARGO_PKG_VERSION_PATCH");
@@ -182,13 +183,20 @@ fn version_guard(path: &Path, create: bool) -> MResult<()> {
             let version = re
                 .captures_iter(&version)
                 .next()
-                .ok_or(Error::VersionMismatch("bad VERSION file".to_string()))?;
+                .ok_or_else(|| Error::VersionMismatch("bad VERSION file".to_string()))?;
             // the first is always the complete match, safe to unwrap because we have a match
             let version_major = version.get(1).unwrap().as_str();
             let version_minor = version.get(2).unwrap().as_str();
+            let version_patch = version.get(3).unwrap().as_str();
 
             if version_major != current_version_major || version_minor != current_version_minor {
-                return Err(Error::VersionMismatch(format!("{}.{}.XX", version_major, version_minor)));
+                Err(Error::VersionMismatch(format!("{}.{}.XX", version_major, version_minor)))
+            } else {
+                Ok((
+                    version_major.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?,
+                    version_minor.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?,
+                    version_patch.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?
+                ))
             }
         }
         Err(error) => {
@@ -202,17 +210,22 @@ fn version_guard(path: &Path, create: bool) -> MResult<()> {
                                 current_version_major,
                                 current_version_minor,
                                 current_version_patch).as_bytes())?;
+
+                        Ok((
+                            current_version_major.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?,
+                            current_version_minor.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?,
+                            current_version_patch.parse().map_err(|e| Error::VersionMismatch(format!("error parsing database version: {}", e)))?
+                        ))
                     } else {
                         // when no version file is found and we were not told to create one, this
                         // means that the version is inferior to the one this feature was added in.
-                        return Err(Error::VersionMismatch(format!("<0.12.0")));
+                        Err(Error::VersionMismatch("<0.12.0".to_string()))
                     }
                 }
-                _ => return Err(error.into())
+                _ => Err(error.into())
             }
         }
     }
-    Ok(())
 }
 
 impl Database {
@@ -224,7 +237,7 @@ impl Database {
         fs::create_dir_all(&path)?;
 
         // create file only if main db wasn't created before (first run)
-        version_guard(path.as_ref(), !main_path.exists() && !update_path.exists())?;
+        let database_version = version_guard(path.as_ref(), !main_path.exists() && !update_path.exists())?;
 
         fs::create_dir_all(&main_path)?;
         let env = heed::EnvOpenOptions::new()
@@ -302,6 +315,7 @@ impl Database {
             indexes_store,
             indexes: RwLock::new(indexes),
             update_fn,
+            database_version,
         })
     }
 
@@ -336,7 +350,7 @@ impl Database {
                 index.main.put_name(&mut writer, name)?;
                 index.main.put_created_at(&mut writer)?;
                 index.main.put_updated_at(&mut writer)?;
-                index.main.put_schema(&mut writer, &Schema::new())?;
+                index.main.put_schema(&mut writer, &Schema::default())?;
 
                 let env_clone = self.env.clone();
                 let update_env_clone = self.update_env.clone();
@@ -469,9 +483,18 @@ impl Database {
 
         let env_path = path.join("main");
         let env_update_path = path.join("update");
+        let env_version_path = path.join("VERSION");
 
         fs::create_dir(&env_path)?;
         fs::create_dir(&env_update_path)?;
+    
+        // write Database Version
+        let (current_version_major, current_version_minor, current_version_patch) = self.database_version;
+        let mut version_file = File::create(&env_version_path)?;
+        version_file.write_all(format!("{}.{}.{}",
+                current_version_major,
+                current_version_minor,
+                current_version_patch).as_bytes())?;
 
         let env_path = env_path.join("data.mdb");
         let env_file = self.env.copy_to_path(&env_path, CompactionOption::Enabled)?;
@@ -509,23 +532,6 @@ impl Database {
         Ok(())
     }
 
-    pub fn set_healthy(&self, writer: &mut heed::RwTxn<MainT>) -> MResult<()> {
-        let common_store = self.common_store();
-        common_store.delete::<_, Str>(writer, UNHEALTHY_KEY)?;
-        Ok(())
-    }
-
-    pub fn set_unhealthy(&self, writer: &mut heed::RwTxn<MainT>) -> MResult<()> {
-        let common_store = self.common_store();
-        common_store.put::<_, Str, Unit>(writer, UNHEALTHY_KEY, &())?;
-        Ok(())
-    }
-
-    pub fn get_health(&self, reader: &heed::RoTxn<MainT>) -> MResult<Option<()>> {
-        let common_store = self.common_store();
-        Ok(common_store.get::<_, Str, Unit>(&reader, UNHEALTHY_KEY)?)
-    }
-
     pub fn compute_stats(&self, writer: &mut MainWriter, index_uid: &str) -> MResult<()> {
         let index = match self.open_index(&index_uid) {
             Some(index) => index,
@@ -554,7 +560,7 @@ impl Database {
         }
 
         // convert attributes to their names
-        let frequency: HashMap<_, _> = fields_frequency
+        let frequency: BTreeMap<_, _> = fields_frequency
             .into_iter()
             .filter_map(|(a, c)| schema.name(a).map(|name| (name.to_string(), c)))
             .collect();
@@ -563,6 +569,8 @@ impl Database {
             .main
             .put_fields_distribution(writer, &frequency)
     }
+
+    pub fn version(&self) -> (u32, u32, u32) { self.database_version }
 }
 
 #[cfg(test)]

meilisearch-core/src/facets.rs

@@ -164,7 +164,7 @@ impl<'a> heed::BytesDecode<'a> for FacetKey {
 }
 
 pub fn add_to_facet_map(
-    facet_map: &mut HashMap<FacetKey, Vec<DocumentId>>,
+    facet_map: &mut HashMap<FacetKey, (String, Vec<DocumentId>)>,
     field_id: FieldId,
     value: Value,
     document_id: DocumentId,
@@ -175,8 +175,8 @@ pub fn add_to_facet_map(
         Value::Null => return Ok(()),
         value => return Err(FacetError::InvalidDocumentAttribute(value.to_string())),
     };
-    let key = FacetKey::new(field_id, value);
-    facet_map.entry(key).or_insert_with(Vec::new).push(document_id);
+    let key = FacetKey::new(field_id, value.clone());
+    facet_map.entry(key).or_insert_with(|| (value, Vec::new())).1.push(document_id);
     Ok(())
 }
 
@@ -185,8 +185,10 @@ pub fn facet_map_from_docids(
     index: &crate::Index,
     document_ids: &[DocumentId],
     attributes_for_facetting: &[FieldId],
-) -> MResult<HashMap<FacetKey, Vec<DocumentId>>> {
-    let mut facet_map = HashMap::new();
+) -> MResult<HashMap<FacetKey, (String, Vec<DocumentId>)>> {
+    // A hashmap that ascociate a facet key to a pair containing the original facet attribute
+    // string with it's case preserved, and a list of document ids for that facet attribute.
+    let mut facet_map: HashMap<FacetKey, (String, Vec<DocumentId>)> = HashMap::new();
     for document_id in document_ids {
         for result in index
             .documents_fields
@@ -212,7 +214,7 @@ pub fn facet_map_from_docs(
     schema: &Schema,
     documents: &HashMap<DocumentId, IndexMap<String, Value>>,
     attributes_for_facetting: &[FieldId],
-) -> MResult<HashMap<FacetKey, Vec<DocumentId>>> {
+) -> MResult<HashMap<FacetKey, (String, Vec<DocumentId>)>> {
     let mut facet_map = HashMap::new();
     let attributes_for_facetting = attributes_for_facetting
         .iter()
@@ -243,8 +245,8 @@ mod test {
 
     #[test]
     fn test_facet_key() {
-        let mut schema = Schema::new();
-        let id = schema.insert_and_index("hello").unwrap();
+        let mut schema = Schema::default();
+        let id = schema.insert_with_position("hello").unwrap().0;
         let facet_list = [schema.id("hello").unwrap()];
         assert_eq!(
             FacetKey::from_str("hello:12", &schema, &facet_list).unwrap(),
@@ -284,8 +286,8 @@ mod test {
     #[test]
     fn test_parse_facet_array() {
         use either::Either::{Left, Right};
-        let mut schema = Schema::new();
-        let _id = schema.insert_and_index("hello").unwrap();
+        let mut schema = Schema::default();
+        let _id = schema.insert_with_position("hello").unwrap();
         let facet_list = [schema.id("hello").unwrap()];
         assert_eq!(
             FacetFilter::from_str("[[\"hello:12\"]]", &schema, &facet_list).unwrap(),

meilisearch-core/src/query_builder.rs

@@ -97,16 +97,14 @@ impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> {
                                     .unwrap_or_default();
                                 ors.push(docids);
                             }
-                            let sets: Vec<_> = ors.iter().map(Cow::deref).collect();
-                            let or_result = sdset::multi::OpBuilder::from_vec(sets)
-                                .union()
-                                .into_set_buf();
+                            let sets: Vec<_> = ors.iter().map(|(_, i)| i).map(Cow::deref).collect();
+                            let or_result = sdset::multi::OpBuilder::from_vec(sets).union().into_set_buf();
                             ands.push(Cow::Owned(or_result));
                             ors.clear();
                         }
                         Either::Right(key) => {
                             match self.index.facets.facet_document_ids(reader, &key)? {
-                                Some(docids) => ands.push(docids),
+                                Some((_name, docids)) => ands.push(docids),
                                 // no candidates for search, early return.
                                 None => return Ok(Some(SetBuf::default())),
                             }
@@ -206,7 +204,7 @@ impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> {
         }
     }
 
-    fn facet_count_docids<'a>(&self, reader: &'a MainReader) -> MResult<Option<HashMap<String, HashMap<String, Cow<'a, Set<DocumentId>>>>>> {
+    fn facet_count_docids<'a>(&self, reader: &'a MainReader) -> MResult<Option<HashMap<String, HashMap<String, (&'a str, Cow<'a, Set<DocumentId>>)>>>> {
         match self.facets {
             Some(ref field_ids) => {
                 let mut facet_count_map = HashMap::new();
@@ -227,10 +225,17 @@ impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> {
 
     fn sort_result_from_docids(&self, docids: &[DocumentId], range: Range<usize>) -> SortResult {
         let mut sort_result = SortResult::default();
+        let mut filtered_count = 0;
         let mut result = match self.filter {
             Some(ref filter) => docids
                 .iter()
-                .filter(|item| (filter)(**item))
+                .filter(|item| {
+                    let accepted = (filter)(**item);
+                    if !accepted {
+                        filtered_count += 1;
+                    }
+                    accepted
+                })
                 .skip(range.start)
                 .take(range.end - range.start)
                 .map(|&id| Document::from_highlights(id, &[]))
@@ -250,15 +255,19 @@ impl<'c, 'f, 'd, 'i> QueryBuilder<'c, 'f, 'd, 'i> {
             result.retain(|doc| {
                 let id = doc.id;
                 let key = (distinct)(id);
-                match key {
+                let distinct_accepted = match key {
                     Some(key) => distinct_map.register(key),
                     None => distinct_map.register_without_key(),
+                };
+                if !distinct_accepted {
+                    filtered_count += 1;
                 }
+                distinct_accepted
             });
         }
 
         sort_result.documents = result;
-        sort_result.nb_hits = docids.len();
+        sort_result.nb_hits = docids.len() - filtered_count;
         sort_result
     }
 
@@ -287,7 +296,6 @@ mod tests {
     use sdset::SetBuf;
     use tempfile::TempDir;
 
-    use crate::automaton::normalize_str;
     use crate::bucket_sort::SimpleMatch;
     use crate::database::{Database, DatabaseOptions};
     use crate::store::Index;
@@ -295,6 +303,35 @@ mod tests {
     use crate::Document;
     use meilisearch_schema::Schema;
 
+    fn is_cjk(c: char) -> bool {
+        ('\u{1100}'..'\u{11ff}').contains(&c)  // Hangul Jamo
+            || ('\u{2e80}'..'\u{2eff}').contains(&c)  // CJK Radicals Supplement
+            || ('\u{2f00}'..'\u{2fdf}').contains(&c) // Kangxi radical
+            || ('\u{3000}'..'\u{303f}').contains(&c) // Japanese-style punctuation
+            || ('\u{3040}'..'\u{309f}').contains(&c) // Japanese Hiragana
+            || ('\u{30a0}'..'\u{30ff}').contains(&c) // Japanese Katakana
+            || ('\u{3100}'..'\u{312f}').contains(&c)
+            || ('\u{3130}'..'\u{318F}').contains(&c) // Hangul Compatibility Jamo
+            || ('\u{3200}'..'\u{32ff}').contains(&c) // Enclosed CJK Letters and Months
+            || ('\u{3400}'..'\u{4dbf}').contains(&c) // CJK Unified Ideographs Extension A
+            || ('\u{4e00}'..'\u{9fff}').contains(&c) // CJK Unified Ideographs
+            || ('\u{a960}'..'\u{a97f}').contains(&c) // Hangul Jamo Extended-A
+            || ('\u{ac00}'..'\u{d7a3}').contains(&c) // Hangul Syllables
+            || ('\u{d7b0}'..'\u{d7ff}').contains(&c) // Hangul Jamo Extended-B
+            || ('\u{f900}'..'\u{faff}').contains(&c) // CJK Compatibility Ideographs
+            || ('\u{ff00}'..'\u{ffef}').contains(&c) // Full-width roman characters and half-width katakana
+    }
+
+    fn normalize_str(string: &str) -> String {
+        let mut string = string.to_lowercase();
+
+        if !string.contains(is_cjk) {
+            string = deunicode::deunicode_with_tofu(&string, "");
+        }
+
+        string
+    }
+
     fn set_from_stream<'f, I, S>(stream: I) -> fst::Set<Vec<u8>>
     where
         I: for<'a> fst::IntoStreamer<'a, Into = S, Item = &'a [u8]>,
@@ -407,7 +444,7 @@ mod tests {
                 for index in indexes {
                     let name = index.attribute.to_string();
                     schema.insert(&name).unwrap();
-                    let indexed_pos = schema.set_indexed(&name).unwrap().1;
+                    let indexed_pos = schema.insert_with_position(&name).unwrap().1;
                     let index = DocIndex {
                         attribute: indexed_pos.0,
                         ..*index
@@ -1260,15 +1297,15 @@ mod tests {
         let builder = store.query_builder();
         let SortResult { documents, .. } = builder.query(&reader, Some("télephone"), 0..20).unwrap();
         let mut iter = documents.into_iter();
-
-        assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
+        assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
             let mut iter = matches.into_iter();
             assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
+            assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
             assert_matches!(iter.next(), None);
         });
-        assert_matches!(iter.next(), Some(Document { id: DocumentId(0), matches, .. }) => {
+        assert_matches!(iter.next(), Some(Document { id: DocumentId(1), matches, .. }) => {
             let mut iter = matches.into_iter();
-            assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, distance: 1, word_index: 0, is_exact: false, .. })); // iphone | telephone
+            assert_matches!(iter.next(), Some(SimpleMatch { query_index: 0, .. }));
             assert_matches!(iter.next(), None);
         });
         assert_matches!(iter.next(), None);

meilisearch-core/src/query_tree.rs

@@ -7,13 +7,13 @@ use std::{cmp, fmt, iter::once};
 
 use fst::{IntoStreamer, Streamer};
 use itertools::{EitherOrBoth, merge_join_by};
-use meilisearch_tokenizer::split_query_string;
-use sdset::{Set, SetBuf, SetOperation};
 use log::debug;
+use meilisearch_tokenizer::analyzer::{Analyzer, AnalyzerConfig};
+use sdset::{Set, SetBuf, SetOperation};
 
 use crate::database::MainT;
 use crate::{store, DocumentId, DocIndex, MResult, FstSetCow};
-use crate::automaton::{normalize_str, build_dfa, build_prefix_dfa, build_exact_dfa};
+use crate::automaton::{build_dfa, build_prefix_dfa, build_exact_dfa};
 use crate::QueryWordsMapper;
 
 #[derive(Clone, PartialEq, Eq, Hash)]
@@ -146,7 +146,7 @@ fn split_best_frequency<'a>(reader: &heed::RoTxn<MainT>, ctx: &Context, word: &'
 }
 
 fn fetch_synonyms(reader: &heed::RoTxn<MainT>, ctx: &Context, words: &[&str]) -> MResult<Vec<Vec<String>>> {
-    let words = normalize_str(&words.join(" "));
+    let words = &words.join(" ");
     let set = ctx.synonyms.synonyms_fst(reader, words.as_bytes())?;
 
     let mut strings = Vec::new();
@@ -174,15 +174,25 @@ where I: IntoIterator<Item=Operation>,
 
 const MAX_NGRAM: usize = 3;
 
+fn split_query_string<'a, A: AsRef<[u8]>>(s: &str, stop_words: &'a fst::Set<A>) -> Vec<(usize, String)> {
+    // TODO: Use global instance instead
+    Analyzer::new(AnalyzerConfig::default_with_stopwords(stop_words))
+        .analyze(s)
+        .tokens()
+        .filter(|t| t.is_word())
+        .map(|t| t.word.to_string())
+        .enumerate()
+        .collect()
+}
+
 pub fn create_query_tree(
     reader: &heed::RoTxn<MainT>,
     ctx: &Context,
     query: &str,
 ) -> MResult<(Operation, HashMap<QueryId, Range<usize>>)>
 {
-    let words = split_query_string(query).map(str::to_lowercase);
-    let words = words.filter(|w| !ctx.stop_words.contains(w));
-    let words: Vec<_> = words.enumerate().collect();
+    // TODO: use a shared analyzer instance
+    let words = split_query_string(query, &ctx.stop_words);
 
     let mut mapper = QueryWordsMapper::new(words.iter().map(|(_, w)| w));
 

meilisearch-core/src/raw_indexer.rs

@@ -2,9 +2,9 @@ use std::borrow::Cow;
 use std::collections::{BTreeMap, HashMap};
 use std::convert::TryFrom;
 
-use deunicode::deunicode_with_tofu;
 use meilisearch_schema::IndexedPos;
-use meilisearch_tokenizer::{is_cjk, SeqTokenizer, Token, Tokenizer};
+use meilisearch_tokenizer::analyzer::{Analyzer, AnalyzerConfig};
+use meilisearch_tokenizer::{Token, token::SeparatorKind, TokenKind};
 use sdset::SetBuf;
 
 use crate::{DocIndex, DocumentId};
@@ -14,11 +14,11 @@ const WORD_LENGTH_LIMIT: usize = 80;
 
 type Word = Vec<u8>; // TODO make it be a SmallVec
 
-pub struct RawIndexer<A> {
+pub struct RawIndexer<'a, A> {
     word_limit: usize, // the maximum number of indexed words
-    stop_words: fst::Set<A>,
     words_doc_indexes: BTreeMap<Word, Vec<DocIndex>>,
     docs_words: HashMap<DocumentId, Vec<Word>>,
+    analyzer: Analyzer<'a, A>,
 }
 
 pub struct Indexed<'a> {
@@ -26,32 +26,35 @@ pub struct Indexed<'a> {
     pub docs_words: HashMap<DocumentId, FstSetCow<'a>>,
 }
 
-impl<A> RawIndexer<A> {
-    pub fn new(stop_words: fst::Set<A>) -> RawIndexer<A> {
+impl<'a, A> RawIndexer<'a, A>
+where
+    A: AsRef<[u8]>
+{
+    pub fn new(stop_words: &'a fst::Set<A>) -> RawIndexer<'a, A> {
         RawIndexer::with_word_limit(stop_words, 1000)
     }
 
-    pub fn with_word_limit(stop_words: fst::Set<A>, limit: usize) -> RawIndexer<A> {
+    pub fn with_word_limit(stop_words: &'a fst::Set<A>, limit: usize) -> RawIndexer<A> {
         RawIndexer {
             word_limit: limit,
-            stop_words,
             words_doc_indexes: BTreeMap::new(),
             docs_words: HashMap::new(),
+            analyzer: Analyzer::new(AnalyzerConfig::default_with_stopwords(stop_words)),
         }
     }
-}
 
-impl<A: AsRef<[u8]>> RawIndexer<A> {
     pub fn index_text(&mut self, id: DocumentId, indexed_pos: IndexedPos, text: &str) -> usize {
         let mut number_of_words = 0;
 
-        for token in Tokenizer::new(text) {
+        let analyzed_text = self.analyzer.analyze(text);
+        for (token_pos, (word_pos, token)) in process_tokens(analyzed_text.tokens()).enumerate() {
             let must_continue = index_token(
                 token,
+                word_pos,
+                token_pos,
                 id,
                 indexed_pos,
                 self.word_limit,
-                &self.stop_words,
                 &mut self.words_doc_indexes,
                 &mut self.docs_words,
             );
@@ -66,24 +69,37 @@ impl<A: AsRef<[u8]>> RawIndexer<A> {
         number_of_words
     }
 
-    pub fn index_text_seq<'s, I>(&mut self, id: DocumentId, indexed_pos: IndexedPos, iter: I)
+    pub fn index_text_seq<'s, I>(&mut self, id: DocumentId, indexed_pos: IndexedPos, text_iter: I)
     where
         I: IntoIterator<Item = &'s str>,
     {
-        let iter = iter.into_iter();
-        for token in SeqTokenizer::new(iter) {
-            let must_continue = index_token(
-                token,
-                id,
-                indexed_pos,
-                self.word_limit,
-                &self.stop_words,
-                &mut self.words_doc_indexes,
-                &mut self.docs_words,
-            );
+        let mut word_offset = 0;
 
-            if !must_continue {
-                break;
+        for text in text_iter.into_iter() {
+            let current_word_offset = word_offset;
+
+            let analyzed_text = self.analyzer.analyze(text);
+            let tokens = process_tokens(analyzed_text.tokens())
+                .map(|(i, t)| (i + current_word_offset, t))
+                .enumerate();
+
+            for (token_pos, (word_pos, token)) in tokens  {
+                word_offset = word_pos + 1;
+
+                let must_continue = index_token(
+                    token,
+                    word_pos,
+                    token_pos,
+                    id,
+                    indexed_pos,
+                    self.word_limit,
+                    &mut self.words_doc_indexes,
+                    &mut self.docs_words,
+                );
+
+                if !must_continue {
+                    break;
+                }
             }
         }
     }
@@ -113,31 +129,53 @@ impl<A: AsRef<[u8]>> RawIndexer<A> {
     }
 }
 
-fn index_token<A>(
+fn process_tokens<'a>(tokens: impl Iterator<Item = Token<'a>>) -> impl Iterator<Item = (usize, Token<'a>)> {
+    tokens
+        .skip_while(|token| !token.is_word())
+        .scan((0, None), |(offset, prev_kind), token| {
+                match token.kind {
+                    TokenKind::Word | TokenKind::StopWord | TokenKind::Unknown => {
+                        *offset += match *prev_kind {
+                            Some(TokenKind::Separator(SeparatorKind::Hard)) => 8,
+                            Some(_) => 1,
+                            None => 0,
+                        };
+                        *prev_kind = Some(token.kind)
+                    }
+                    TokenKind::Separator(SeparatorKind::Hard) => {
+                        *prev_kind = Some(token.kind);
+                    }
+                    TokenKind::Separator(SeparatorKind::Soft)
+                        if *prev_kind != Some(TokenKind::Separator(SeparatorKind::Hard)) => {
+                        *prev_kind = Some(token.kind);
+                    }
+                    _ => (),
+                }
+            Some((*offset, token))
+        })
+    .filter(|(_, t)| t.is_word())
+}
+
+#[allow(clippy::too_many_arguments)]
+fn index_token(
     token: Token,
+    word_pos: usize,
+    token_pos: usize,
     id: DocumentId,
     indexed_pos: IndexedPos,
     word_limit: usize,
-    stop_words: &fst::Set<A>,
     words_doc_indexes: &mut BTreeMap<Word, Vec<DocIndex>>,
     docs_words: &mut HashMap<DocumentId, Vec<Word>>,
 ) -> bool
-where A: AsRef<[u8]>,
 {
-    if token.index >= word_limit {
+    if token_pos >= word_limit {
         return false;
     }
 
-    let lower = token.word.to_lowercase();
-    let token = Token {
-        word: &lower,
-        ..token
-    };
-
-    if !stop_words.contains(&token.word) {
-        match token_to_docindex(id, indexed_pos, token) {
+    if !token.is_stopword() {
+        match token_to_docindex(id, indexed_pos, &token, word_pos) {
             Some(docindex) => {
-                let word = Vec::from(token.word);
+                let word = Vec::from(token.word.as_ref());
 
                 if word.len() <= WORD_LENGTH_LIMIT {
                     words_doc_indexes
@@ -145,20 +183,6 @@ where A: AsRef<[u8]>,
                         .or_insert_with(Vec::new)
                         .push(docindex);
                     docs_words.entry(id).or_insert_with(Vec::new).push(word);
-
-                    if !lower.contains(is_cjk) {
-                        let unidecoded = deunicode_with_tofu(&lower, "");
-                        if unidecoded != lower && !unidecoded.is_empty() {
-                            let word = Vec::from(unidecoded);
-                            if word.len() <= WORD_LENGTH_LIMIT {
-                                words_doc_indexes
-                                    .entry(word.clone())
-                                    .or_insert_with(Vec::new)
-                                    .push(docindex);
-                                docs_words.entry(id).or_insert_with(Vec::new).push(word);
-                            }
-                        }
-                    }
                 }
             }
             None => return false,
@@ -168,10 +192,10 @@ where A: AsRef<[u8]>,
     true
 }
 
-fn token_to_docindex(id: DocumentId, indexed_pos: IndexedPos, token: Token) -> Option<DocIndex> {
-    let word_index = u16::try_from(token.word_index).ok()?;
-    let char_index = u16::try_from(token.char_index).ok()?;
-    let char_length = u16::try_from(token.word.chars().count()).ok()?;
+fn token_to_docindex(id: DocumentId, indexed_pos: IndexedPos, token: &Token, word_index: usize) -> Option<DocIndex> {
+    let word_index = u16::try_from(word_index).ok()?;
+    let char_index = u16::try_from(token.byte_start).ok()?;
+    let char_length = u16::try_from(token.word.len()).ok()?;
 
     let docindex = DocIndex {
         document_id: id,
@@ -188,10 +212,23 @@ fn token_to_docindex(id: DocumentId, indexed_pos: IndexedPos, token: Token) -> O
 mod tests {
     use super::*;
     use meilisearch_schema::IndexedPos;
+    use meilisearch_tokenizer::{Analyzer, AnalyzerConfig};
+    use fst::Set;
+
+    #[test]
+    fn test_process_token() {
+        let text = " 為一包含一千多萬目詞的帶標記平衡語料庫";
+        let stopwords = Set::default();
+        let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stopwords));
+        let analyzer = analyzer.analyze(text);
+        let tokens: Vec<_> = process_tokens(analyzer.tokens()).map(|(_, t)| t.text().to_string()).collect();
+        assert_eq!(tokens, ["为", "一", "包含", "一千多万", "目词", "的", "带", "标记", "平衡", "语料库"]);
+    }
 
     #[test]
     fn strange_apostrophe() {
-        let mut indexer = RawIndexer::new(fst::Set::default());
+        let stop_words = fst::Set::default();
+        let mut indexer = RawIndexer::new(&stop_words);
 
         let docid = DocumentId(0);
         let indexed_pos = IndexedPos(0);
@@ -206,14 +243,12 @@ mod tests {
         assert!(words_doc_indexes.get(&b"aspirateur"[..]).is_some());
         assert!(words_doc_indexes.get(&b"ai"[..]).is_some());
         assert!(words_doc_indexes.get(&b"eteindre"[..]).is_some());
-        assert!(words_doc_indexes
-            .get(&"éteindre".to_owned().into_bytes())
-            .is_some());
     }
 
     #[test]
     fn strange_apostrophe_in_sequence() {
-        let mut indexer = RawIndexer::new(fst::Set::default());
+        let stop_words = fst::Set::default();
+        let mut indexer = RawIndexer::new(&stop_words);
 
         let docid = DocumentId(0);
         let indexed_pos = IndexedPos(0);
@@ -228,9 +263,6 @@ mod tests {
         assert!(words_doc_indexes.get(&b"aspirateur"[..]).is_some());
         assert!(words_doc_indexes.get(&b"ai"[..]).is_some());
         assert!(words_doc_indexes.get(&b"eteindre"[..]).is_some());
-        assert!(words_doc_indexes
-            .get(&"éteindre".to_owned().into_bytes())
-            .is_some());
     }
 
     #[test]
@@ -238,7 +270,7 @@ mod tests {
         let stop_words = sdset::SetBuf::from_dirty(vec!["l", "j", "ai", "de"]);
         let stop_words = fst::Set::from_iter(stop_words).unwrap();
 
-        let mut indexer = RawIndexer::new(stop_words);
+        let mut indexer = RawIndexer::new(&stop_words);
 
         let docid = DocumentId(0);
         let indexed_pos = IndexedPos(0);
@@ -255,14 +287,12 @@ mod tests {
         assert!(words_doc_indexes.get(&b"ai"[..]).is_none());
         assert!(words_doc_indexes.get(&b"de"[..]).is_none());
         assert!(words_doc_indexes.get(&b"eteindre"[..]).is_some());
-        assert!(words_doc_indexes
-            .get(&"éteindre".to_owned().into_bytes())
-            .is_some());
     }
 
     #[test]
     fn no_empty_unidecode() {
-        let mut indexer = RawIndexer::new(fst::Set::default());
+        let stop_words = fst::Set::default();
+        let mut indexer = RawIndexer::new(&stop_words);
 
         let docid = DocumentId(0);
         let indexed_pos = IndexedPos(0);
@@ -281,7 +311,8 @@ mod tests {
     #[test]
     // test sample from 807
     fn very_long_text() {
-        let mut indexer = RawIndexer::new(fst::Set::default());
+        let stop_words = fst::Set::default();
+        let mut indexer = RawIndexer::new(&stop_words);
         let indexed_pos = IndexedPos(0);
         let docid = DocumentId(0);
         let text = " The locations block is the most powerful, and potentially most involved, section of the .platform.app.yaml file. It allows you to control how the application container responds to incoming requests at a very fine-grained level. Common patterns also vary between language containers due to the way PHP-FPM handles incoming requests.\nEach entry of the locations block is an absolute URI path (with leading /) and its value includes the configuration directives for how the web server should handle matching requests. That is, if your domain is example.com then '/' means &ldquo;requests for example.com/&rdquo;, while '/admin' means &ldquo;requests for example.com/admin&rdquo;. If multiple blocks could match an incoming request then the most-specific will apply.\nweb:locations:&#39;/&#39;:# Rules for all requests that don&#39;t otherwise match....&#39;/sites/default/files&#39;:# Rules for any requests that begin with /sites/default/files....The simplest possible locations configuration is one that simply passes all requests on to your application unconditionally:\nweb:locations:&#39;/&#39;:passthru:trueThat is, all requests to /* should be forwarded to the process started by web.commands.start above. Note that for PHP containers the passthru key must specify what PHP file the request should be forwarded to, and must also specify a docroot under which the file lives. For example:\nweb:locations:&#39;/&#39;:root:&#39;web&#39;passthru:&#39;/app.php&#39;This block will serve requests to / from the web directory in the application, and if a file doesn&rsquo;t exist on disk then the request will be forwarded to the /app.php script.\nA full list of the possible subkeys for locations is below.\n  root: The folder from which to serve static assets for this location relative to the application root. The application root is the directory in which the .platform.app.yaml file is located. Typical values for this property include public or web. Setting it to '' is not recommended, and its behavior may vary depending on the type of application. Absolute paths are not supported.\n  passthru: Whether to forward disallowed and missing resources from this location to the application and can be true, false or an absolute URI path (with leading /). The default value is false. For non-PHP applications it will generally be just true or false. In a PHP application this will typically be the front controller such as /index.php or /app.php. This entry works similar to mod_rewrite under Apache. Note: If the value of passthru does not begin with the same value as the location key it is under, the passthru may evaluate to another entry. That may be useful when you want different cache settings for different paths, for instance, but want missing files in all of them to map back to the same front controller. See the example block below.\n  index: The files to consider when serving a request for a directory: an array of file names or null. (typically ['index.html']). Note that in order for this to work, access to the static files named must be allowed by the allow or rules keys for this location.\n  expires: How long to allow static assets from this location to be cached (this enables the Cache-Control and Expires headers) and can be a time or -1 for no caching (default). Times can be suffixed with &ldquo;ms&rdquo; (milliseconds), &ldquo;s&rdquo; (seconds), &ldquo;m&rdquo; (minutes), &ldquo;h&rdquo; (hours), &ldquo;d&rdquo; (days), &ldquo;w&rdquo; (weeks), &ldquo;M&rdquo; (months, 30d) or &ldquo;y&rdquo; (years, 365d).\n  scripts: Whether to allow loading scripts in that location (true or false). This directive is only meaningful on PHP.\n  allow: Whether to allow serving files which don&rsquo;t match a rule (true or false, default: true).\n  headers: Any additional headers to apply to static assets. This section is a mapping of header names to header values. Responses from the application aren&rsquo;t affected, to avoid overlap with the application&rsquo;s own ability to include custom headers in the response.\n  rules: Specific overrides for a specific location. The key is a PCRE (regular expression) that is matched against the full request path.\n  request_buffering: Most application servers do not support chunked requests (e.g. fpm, uwsgi), so Platform.sh enables request_buffering by default to handle them. That default configuration would look like this if it was present in .platform.app.yaml:\nweb:locations:&#39;/&#39;:passthru:truerequest_buffering:enabled:truemax_request_size:250mIf the application server can already efficiently handle chunked requests, the request_buffering subkey can be modified to disable it entirely (enabled: false). Additionally, applications that frequently deal with uploads greater than 250MB in size can update the max_request_size key to the application&rsquo;s needs. Note that modifications to request_buffering will need to be specified at each location where it is desired.\n ";
@@ -289,12 +320,13 @@ mod tests {
         let Indexed {
             words_doc_indexes, ..
         } = indexer.build();
-        assert!(words_doc_indexes.get(&"buffering".to_owned().into_bytes()).is_some());
+        assert!(words_doc_indexes.get(&"request".to_owned().into_bytes()).is_some());
     }
 
     #[test]
     fn words_over_index_1000_not_indexed() {
-        let mut indexer = RawIndexer::new(fst::Set::default());
+        let stop_words = fst::Set::default();
+        let mut indexer = RawIndexer::new(&stop_words);
         let indexed_pos = IndexedPos(0);
         let docid = DocumentId(0);
         let mut text = String::with_capacity(5000);

meilisearch-core/src/serde/deserializer.rs

@@ -51,7 +51,7 @@ impl From<heed::Error> for DeserializerError {
 
 pub struct Deserializer<'a> {
     pub document_id: DocumentId,
-    pub reader: &'a heed::RoTxn<MainT>,
+    pub reader: &'a heed::RoTxn<'a, MainT>,
     pub documents_fields: DocumentsFields,
     pub schema: &'a Schema,
     pub fields: Option<&'a HashSet<FieldId>>,

meilisearch-core/src/settings.rs

@@ -1,4 +1,4 @@
-use std::collections::{BTreeMap, BTreeSet, HashSet};
+use std::collections::{BTreeMap, BTreeSet};
 use std::str::FromStr;
 use std::iter::IntoIterator;
 
@@ -13,7 +13,7 @@ static RANKING_RULE_REGEX: Lazy<regex::Regex> = Lazy::new(|| {
     regex::Regex::new(r"(asc|desc)\(([a-zA-Z0-9-_]*)\)").unwrap()
 });
 
-#[derive(Default, Clone, Serialize, Deserialize)]
+#[derive(Default, Clone, Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 pub struct Settings {
     #[serde(default, deserialize_with = "deserialize_some")]
@@ -23,7 +23,7 @@ pub struct Settings {
     #[serde(default, deserialize_with = "deserialize_some")]
     pub searchable_attributes: Option<Option<Vec<String>>>,
     #[serde(default, deserialize_with = "deserialize_some")]
-    pub displayed_attributes: Option<Option<HashSet<String>>>,
+    pub displayed_attributes: Option<Option<BTreeSet<String>>>,
     #[serde(default, deserialize_with = "deserialize_some")]
     pub stop_words: Option<Option<BTreeSet<String>>>,
     #[serde(default, deserialize_with = "deserialize_some")]
@@ -161,7 +161,7 @@ pub struct SettingsUpdate {
     pub distinct_attribute: UpdateState<String>,
     pub primary_key: UpdateState<String>,
     pub searchable_attributes: UpdateState<Vec<String>>,
-    pub displayed_attributes: UpdateState<HashSet<String>>,
+    pub displayed_attributes: UpdateState<BTreeSet<String>>,
     pub stop_words: UpdateState<BTreeSet<String>>,
     pub synonyms: UpdateState<BTreeMap<String, Vec<String>>>,
     pub attributes_for_faceting: UpdateState<Vec<String>>,

meilisearch-core/src/store/docs_words.rs

@@ -33,7 +33,7 @@ impl DocsWords {
         self.docs_words.clear(writer)
     }
 
-    pub fn doc_words(self, reader: &heed::RoTxn<MainT>, document_id: DocumentId) -> ZResult<FstSetCow> {
+    pub fn doc_words<'a>(self, reader: &'a heed::RoTxn<'a, MainT>, document_id: DocumentId) -> ZResult<FstSetCow> {
         let document_id = BEU32::new(document_id.0);
         match self.docs_words.get(reader, &document_id)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),

meilisearch-core/src/store/facets.rs

@@ -1,12 +1,14 @@
 use std::borrow::Cow;
 use std::collections::HashMap;
+use std::mem;
 
-use heed::{RwTxn, RoTxn, Result as ZResult, RoRange};
+use heed::{RwTxn, RoTxn, RoPrefix, types::Str, BytesEncode, BytesDecode};
 use sdset::{SetBuf, Set, SetOperation};
 
 use meilisearch_types::DocumentId;
 use meilisearch_schema::FieldId;
 
+use crate::MResult;
 use crate::database::MainT;
 use crate::facets::FacetKey;
 use super::cow_set::CowSet;
@@ -14,45 +16,82 @@ use super::cow_set::CowSet;
 /// contains facet info
 #[derive(Clone, Copy)]
 pub struct Facets {
-    pub(crate) facets: heed::Database<FacetKey, CowSet<DocumentId>>,
+    pub(crate) facets: heed::Database<FacetKey, FacetData>,
+}
+
+pub struct FacetData;
+
+impl<'a> BytesEncode<'a> for FacetData {
+    type EItem = (&'a str, &'a Set<DocumentId>);
+
+    fn bytes_encode(item: &'a Self::EItem) -> Option<Cow<'a, [u8]>> {
+        // get size of the first item
+        let first_size =  item.0.as_bytes().len();
+        let size = mem::size_of::<u64>()
+            + first_size
+            + item.1.len() * mem::size_of::<DocumentId>();
+        let mut buffer = Vec::with_capacity(size);
+        // encode the length of the first item
+        buffer.extend_from_slice(&first_size.to_be_bytes());
+        buffer.extend_from_slice(Str::bytes_encode(&item.0)?.as_ref());
+        let second_slice = CowSet::bytes_encode(&item.1)?;
+        buffer.extend_from_slice(second_slice.as_ref());
+        Some(Cow::Owned(buffer))
+    }
+}
+
+impl<'a> BytesDecode<'a> for FacetData {
+    type DItem = (&'a str, Cow<'a, Set<DocumentId>>);
+
+    fn bytes_decode(bytes: &'a [u8]) -> Option<Self::DItem> {
+        const LEN: usize = mem::size_of::<u64>();
+        let mut size_buf = [0; LEN];
+        size_buf.copy_from_slice(bytes.get(0..LEN)?);
+        // decode size of the first item from the bytes
+        let first_size = usize::from_be_bytes(size_buf);
+        // decode first and second items
+        let first_item = Str::bytes_decode(bytes.get(LEN..(LEN + first_size))?)?;
+        let second_item = CowSet::bytes_decode(bytes.get((LEN + first_size)..)?)?;
+        Some((first_item, second_item))
+    }
 }
 
 impl Facets {
     // we use sdset::SetBuf to ensure the docids are sorted.
-    pub fn put_facet_document_ids(&self, writer: &mut RwTxn<MainT>, facet_key: FacetKey, doc_ids: &Set<DocumentId>) -> ZResult<()> {
-        self.facets.put(writer, &facet_key, doc_ids)
+    pub fn put_facet_document_ids(&self, writer: &mut RwTxn<MainT>, facet_key: FacetKey, doc_ids: &Set<DocumentId>, facet_value: &str) -> MResult<()> {
+        Ok(self.facets.put(writer, &facet_key, &(facet_value, doc_ids))?)
     }
 
-    pub fn field_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, field_id: FieldId) -> ZResult<RoRange<'txn, FacetKey, CowSet<DocumentId>>> {
-        self.facets.prefix_iter(reader, &FacetKey::new(field_id, String::new()))
+    pub fn field_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, field_id: FieldId) -> MResult<RoPrefix<'txn, FacetKey, FacetData>> {
+        Ok(self.facets.prefix_iter(reader, &FacetKey::new(field_id, String::new()))?)
     }
 
-    pub fn facet_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, facet_key: &FacetKey) -> ZResult<Option<Cow<'txn, Set<DocumentId>>>> {
-        self.facets.get(reader, &facet_key)
+    pub fn facet_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, facet_key: &FacetKey) -> MResult<Option<(&'txn str,Cow<'txn, Set<DocumentId>>)>> {
+        Ok(self.facets.get(reader, &facet_key)?)
     }
 
     /// updates the facets  store, revmoving the documents from the facets provided in the
     /// `facet_map` argument
-    pub fn remove(&self, writer: &mut RwTxn<MainT>, facet_map: HashMap<FacetKey, Vec<DocumentId>>) -> ZResult<()> {
-        for (key, document_ids) in facet_map {
-            if let Some(old) = self.facets.get(writer, &key)? {
+    pub fn remove(&self, writer: &mut RwTxn<MainT>, facet_map: HashMap<FacetKey, (String, Vec<DocumentId>)>) -> MResult<()> {
+        for (key, (name, document_ids)) in facet_map {
+            if let Some((_, old)) = self.facets.get(writer, &key)? {
                 let to_remove = SetBuf::from_dirty(document_ids);
                 let new = sdset::duo::OpBuilder::new(old.as_ref(), to_remove.as_set()).difference().into_set_buf();
-                self.facets.put(writer, &key, new.as_set())?;
+                self.facets.put(writer, &key, &(&name, new.as_set()))?;
             }
         }
         Ok(())
     }
 
-    pub fn add(&self, writer: &mut RwTxn<MainT>, facet_map: HashMap<FacetKey, Vec<DocumentId>>) -> ZResult<()> {
-        for (key, document_ids) in facet_map {
+    pub fn add(&self, writer: &mut RwTxn<MainT>, facet_map: HashMap<FacetKey, (String, Vec<DocumentId>)>) -> MResult<()> {
+        for (key, (facet_name, document_ids)) in facet_map {
             let set = SetBuf::from_dirty(document_ids);
-            self.put_facet_document_ids(writer, key, set.as_set())?;
+            self.put_facet_document_ids(writer, key, set.as_set(), &facet_name)?;
         }
         Ok(())
     }
 
-    pub fn clear(self, writer: &mut heed::RwTxn<MainT>) -> ZResult<()> {
-        self.facets.clear(writer)
+    pub fn clear(self, writer: &mut heed::RwTxn<MainT>) -> MResult<()> {
+        Ok(self.facets.clear(writer)?)
     }
 }

meilisearch-core/src/store/main.rs

@@ -1,5 +1,5 @@
 use std::borrow::Cow;
-use std::collections::HashMap;
+use std::collections::BTreeMap;
 
 use chrono::{DateTime, Utc};
 use heed::types::{ByteSlice, OwnedType, SerdeBincode, Str, CowSlice};
@@ -31,7 +31,7 @@ const SYNONYMS_KEY: &str = "synonyms";
 const UPDATED_AT_KEY: &str = "updated-at";
 const WORDS_KEY: &str = "words";
 
-pub type FreqsMap = HashMap<String, usize>;
+pub type FreqsMap = BTreeMap<String, usize>;
 type SerdeFreqsMap = SerdeBincode<FreqsMap>;
 type SerdeDatetime = SerdeBincode<DateTime<Utc>>;
 
@@ -143,7 +143,7 @@ impl Main {
         self.put_external_docids(writer, &external_docids)
     }
 
-    pub fn external_docids(self, reader: &heed::RoTxn<MainT>) -> MResult<FstMapCow> {
+    pub fn external_docids<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstMapCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, EXTERNAL_DOCIDS_KEY)? {
             Some(bytes) => Ok(fst::Map::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Map::default().map_data(Cow::Owned).unwrap()),
@@ -155,7 +155,7 @@ impl Main {
         Ok(external_ids.get(external_docid).map(|id| DocumentId(id as u32)))
     }
 
-    pub fn words_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub fn words_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, WORDS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
@@ -170,7 +170,7 @@ impl Main {
         Ok(self.main.put::<_, Str, CowSlice<DocumentId>>(writer, SORTED_DOCUMENT_IDS_CACHE_KEY, documents_ids)?)
     }
 
-    pub fn sorted_document_ids_cache(self, reader: &heed::RoTxn<MainT>) -> MResult<Option<Cow<[DocumentId]>>> {
+    pub fn sorted_document_ids_cache<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<Option<Cow<[DocumentId]>>> {
         Ok(self.main.get::<_, Str, CowSlice<DocumentId>>(reader, SORTED_DOCUMENT_IDS_CACHE_KEY)?)
     }
 
@@ -199,7 +199,7 @@ impl Main {
         Ok(self.main.put::<_, Str, ByteSlice>(writer, SYNONYMS_KEY, bytes)?)
     }
 
-    pub(crate) fn synonyms_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub(crate) fn synonyms_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, SYNONYMS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
@@ -219,7 +219,7 @@ impl Main {
         Ok(self.main.put::<_, Str, ByteSlice>(writer, STOP_WORDS_KEY, bytes)?)
     }
 
-    pub(crate) fn stop_words_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub(crate) fn stop_words_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, STOP_WORDS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),

meilisearch-core/src/update/clear_all.rs

@@ -11,12 +11,14 @@ pub fn apply_clear_all(
     index.main.put_internal_docids(writer, &sdset::SetBuf::default())?;
     index.main.put_ranked_map(writer, &RankedMap::default())?;
     index.main.put_number_of_documents(writer, |_| 0)?;
+    index.main.put_sorted_document_ids_cache(writer, &[])?;
     index.documents_fields.clear(writer)?;
     index.documents_fields_counts.clear(writer)?;
     index.postings_lists.clear(writer)?;
     index.docs_words.clear(writer)?;
     index.prefix_documents_cache.clear(writer)?;
     index.prefix_postings_lists_cache.clear(writer)?;
+    index.facets.clear(writer)?;
 
     Ok(())
 }

meilisearch-core/src/update/documents_addition.rs

@@ -110,7 +110,7 @@ pub fn push_documents_addition<D: serde::Serialize>(
 }
 
 #[allow(clippy::too_many_arguments)]
-fn index_document<A>(
+fn index_document<A: AsRef<[u8]>>(
     writer: &mut heed::RwTxn<MainT>,
     documents_fields: DocumentsFields,
     documents_fields_counts: DocumentsFieldsCounts,
@@ -121,18 +121,17 @@ fn index_document<A>(
     document_id: DocumentId,
     value: &Value,
 ) -> MResult<()>
-where A: AsRef<[u8]>,
 {
     let serialized = serde_json::to_vec(value)?;
     documents_fields.put_document_field(writer, document_id, field_id, &serialized)?;
 
-    if let Some(indexed_pos) = schema.is_indexed(field_id) {
-        let number_of_words = index_value(indexer, document_id, *indexed_pos, value);
+    if let Some(indexed_pos) = schema.is_searchable(field_id) {
+        let number_of_words = index_value(indexer, document_id, indexed_pos, value);
         if let Some(number_of_words) = number_of_words {
             documents_fields_counts.put_document_field_count(
                 writer,
                 document_id,
-                *indexed_pos,
+                indexed_pos,
                 number_of_words as u16,
             )?;
         }
@@ -146,8 +145,8 @@ where A: AsRef<[u8]>,
     Ok(())
 }
 
-pub fn apply_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_addition(
+    writer: &mut heed::RwTxn<MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
     partial: bool
@@ -222,13 +221,13 @@ pub fn apply_addition<'a, 'b>(
     let stop_words = index.main.stop_words_fst(writer)?.map_data(Cow::into_owned)?;
 
 
-    let mut indexer = RawIndexer::new(stop_words);
+    let mut indexer = RawIndexer::new(&stop_words);
 
     // For each document in this update
     for (document_id, document) in &documents_additions {
         // For each key-value pair in the document.
         for (attribute, value) in document {
-            let field_id = schema.insert_and_index(&attribute)?;
+            let (field_id, _) = schema.insert_with_position(&attribute)?;
             index_document(
                 writer,
                 index.documents_fields,
@@ -272,16 +271,16 @@ pub fn apply_addition<'a, 'b>(
     Ok(())
 }
 
-pub fn apply_documents_partial_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_documents_partial_addition(
+    writer: &mut heed::RwTxn<MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
 ) -> MResult<()> {
     apply_addition(writer, index, new_documents, true)
 }
 
-pub fn apply_documents_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_documents_addition(
+    writer: &mut heed::RwTxn<MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
 ) -> MResult<()> {
@@ -317,7 +316,7 @@ pub fn reindex_all_documents(writer: &mut heed::RwTxn<MainT>, index: &store::Ind
         .unwrap();
 
     let number_of_inserted_documents = documents_ids_to_reindex.len();
-    let mut indexer = RawIndexer::new(stop_words);
+    let mut indexer = RawIndexer::new(&stop_words);
     let mut ram_store = HashMap::new();
 
     if let Some(ref attributes_for_facetting) = index.main.attributes_for_faceting(writer)? {
@@ -373,14 +372,13 @@ pub fn reindex_all_documents(writer: &mut heed::RwTxn<MainT>, index: &store::Ind
     Ok(())
 }
 
-pub fn write_documents_addition_index<A>(
+pub fn write_documents_addition_index<A: AsRef<[u8]>>(
     writer: &mut heed::RwTxn<MainT>,
     index: &store::Index,
     ranked_map: &RankedMap,
     number_of_inserted_documents: usize,
     indexer: RawIndexer<A>,
 ) -> MResult<()>
-where A: AsRef<[u8]>,
 {
     let indexed = indexer.build();
     let mut delta_words_builder = SetBuilder::memory();

meilisearch-core/src/update/helpers.rs

@@ -12,13 +12,12 @@ use crate::serde::SerializerError;
 use crate::store::DiscoverIds;
 
 /// Returns the number of words indexed or `None` if the type is unindexable.
-pub fn index_value<A>(
+pub fn index_value<A: AsRef<[u8]>>(
     indexer: &mut RawIndexer<A>,
     document_id: DocumentId,
     indexed_pos: IndexedPos,
     value: &Value,
 ) -> Option<usize>
-where A: AsRef<[u8]>,
 {
     match value {
         Value::Null => None,

meilisearch-core/src/update/mod.rs

@@ -212,8 +212,8 @@ pub fn next_update_id(
     Ok(new_update_id)
 }
 
-pub fn update_task<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn update_task(
+    writer: &mut heed::RwTxn<MainT>,
     index: &store::Index,
     update_id: u64,
     update: Update,

meilisearch-core/src/update/settings_update.rs

@@ -71,14 +71,14 @@ pub fn apply_settings_update(
     match settings.searchable_attributes.clone() {
         UpdateState::Update(v) => {
             if v.iter().any(|e| e == "*") || v.is_empty() {
-                schema.set_all_fields_as_indexed();
+                schema.set_all_searchable();
             } else {
-                schema.update_indexed(v)?;
+                schema.update_searchable(v)?;
             }
             must_reindex = true;
         },
         UpdateState::Clear => {
-            schema.set_all_fields_as_indexed();
+            schema.set_all_searchable();
             must_reindex = true;
         },
         UpdateState::Nothing => (),
@@ -86,13 +86,13 @@ pub fn apply_settings_update(
     match settings.displayed_attributes.clone() {
         UpdateState::Update(v) => {
             if v.contains("*") || v.is_empty() {
-                schema.set_all_fields_as_displayed();
+                schema.set_all_displayed();
             } else {
                 schema.update_displayed(v)?
             }
         },
         UpdateState::Clear => {
-            schema.set_all_fields_as_displayed();
+            schema.set_all_displayed();
         },
         UpdateState::Nothing => (),
     }

meilisearch-error/Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "meilisearch-error"
-version = "0.13.0"
+version = "0.18.1"
 authors = ["marin <postma.marin@protonmail.com>"]
 edition = "2018"
 
 [dependencies]
-actix-http = "1.0.1"
+actix-http = "2.2.0"

meilisearch-error/src/lib.rs

@@ -69,13 +69,15 @@ pub enum Code {
     DocumentNotFound,
     Internal,
     InvalidToken,
-    Maintenance,
     MissingAuthorizationHeader,
     NotFound,
     PayloadTooLarge,
     RetrieveDocument,
     SearchDocuments,
     UnsupportedMediaType,
+
+    DumpAlreadyInProgress,
+    DumpProcessFailed,
 }
 
 impl Code {
@@ -115,13 +117,16 @@ impl Code {
             DocumentNotFound => ErrCode::invalid("document_not_found", StatusCode::NOT_FOUND),
             Internal => ErrCode::internal("internal", StatusCode::INTERNAL_SERVER_ERROR),
             InvalidToken => ErrCode::authentication("invalid_token", StatusCode::FORBIDDEN),
-            Maintenance =>  ErrCode::internal("maintenance", StatusCode::SERVICE_UNAVAILABLE),
             MissingAuthorizationHeader => ErrCode::authentication("missing_authorization_header", StatusCode::UNAUTHORIZED),
             NotFound => ErrCode::invalid("not_found", StatusCode::NOT_FOUND),
             PayloadTooLarge => ErrCode::invalid("payload_too_large", StatusCode::PAYLOAD_TOO_LARGE),
             RetrieveDocument => ErrCode::internal("unretrievable_document", StatusCode::BAD_REQUEST),
             SearchDocuments => ErrCode::internal("search_error", StatusCode::BAD_REQUEST),
             UnsupportedMediaType => ErrCode::invalid("unsupported_media_type", StatusCode::UNSUPPORTED_MEDIA_TYPE),
+
+            // error related to dump
+            DumpAlreadyInProgress => ErrCode::invalid("dump_already_in_progress", StatusCode::CONFLICT),
+            DumpProcessFailed => ErrCode::internal("dump_process_failed", StatusCode::INTERNAL_SERVER_ERROR),
         }
     }
 

meilisearch-http/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "meilisearch-http"
 description = "MeiliSearch HTTP server"
-version = "0.13.0"
+version = "0.18.1"
 license = "MIT"
 authors = [
     "Quentin de Quelen <quentin@dequelen.me>",
@@ -17,40 +17,42 @@ path = "src/main.rs"
 default = ["sentry"]
 
 [dependencies]
-actix-cors = "0.2.0"
-actix-http = "1"
-actix-rt = "1"
-actix-service = "1.0.5"
-actix-web = { version = "2.0.0", features = ["rustls"] }
-actix-web-macros = "0.1.0"
-bytes = "0.5.4"
-chrono = { version = "0.4.11", features = ["serde"] }
-crossbeam-channel = "0.4.2"
-env_logger = "0.7.1"
-futures = "0.3.4"
-http = "0.1.19"
-indexmap = { version = "1.3.2", features = ["serde-1"] }
-log = "0.4.8"
-main_error = "0.1.0"
-meilisearch-core = { path = "../meilisearch-core", version = "0.13.0" }
-meilisearch-error = { path = "../meilisearch-error", version = "0.13.0" }
-meilisearch-schema = { path = "../meilisearch-schema", version = "0.13.0" }
-meilisearch-tokenizer = {path = "../meilisearch-tokenizer", version = "0.13.0"}
+actix-cors = "0.5.4"
+actix-http = "2.2.0"
+actix-rt = "1.1.1"
+actix-service = "1.0.6"
+actix-web = { version = "3.3.2", features = ["rustls"] }
+bytes = "1.0.0"
+chrono = { version = "0.4.19", features = ["serde"] }
+crossbeam-channel = "0.5.0"
+env_logger = "0.8.2"
+flate2 = "1.0.19"
+futures = "0.3.8"
+http = "0.2.2"
+indexmap = { version = "1.6.1", features = ["serde-1"] }
+log = "0.4.11"
+main_error = "0.1.1"
+meilisearch-core = { path = "../meilisearch-core", version = "0.18.0" }
+meilisearch-error = { path = "../meilisearch-error", version = "0.18.1" }
+meilisearch-schema = { path = "../meilisearch-schema", version = "0.18.1" }
 mime = "0.3.16"
-rand = "0.7.3"
-regex = "1.3.6"
-rustls = "0.16.0"
-serde = { version = "1.0.105", features = ["derive"] }
-serde_json = { version = "1.0.50", features = ["preserve_order"] }
-serde_qs = "0.5.2"
-sha2 = "0.8.1"
-siphasher = "0.3.2"
+once_cell = "1.5.2"
+rand = "0.8.1"
+regex = "1.4.2"
+rustls = "0.18.0"
+serde = { version = "1.0.118", features = ["derive"] }
+serde_json = { version = "1.0.61", features = ["preserve_order"] }
+serde_qs = "0.8.2"
+sha2 = "0.9.2"
+siphasher = "0.3.3"
 slice-group-by = "0.2.6"
-structopt = "0.3.12"
-tokio = { version = "0.2.18", features = ["macros"] }
-ureq = { version = "0.12.0", features = ["tls"], default-features = false }
+structopt = "0.3.21"
+tar = "0.4.30"
+tempfile = "3.1.0"
+tokio = { version = "0.2", features = ["macros"] }
+ureq = { version = "2.0.0", features = ["tls"], default-features = false }
 walkdir = "2.3.1"
-whoami = "0.8.1"
+whoami = "1.0.3"
 
 [dependencies.sentry]
 version = "0.18.1"
@@ -70,7 +72,7 @@ optional = true
 [dev-dependencies]
 serde_url_params = "0.2.0"
 tempdir = "0.3.7"
-tokio = { version = "0.2.18", features = ["macros", "time"] }
+tokio = { version = "0.2", features = ["macros", "time"] }
 
 [dev-dependencies.assert-json-diff]
 git = "https://github.com/qdequele/assert-json-diff"

meilisearch-http/public/interface.html

@@ -3,7 +3,7 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link rel="stylesheet" href="/bulma.min.css">
+    <link rel="stylesheet" href="bulma.min.css">
     <title>MeiliSearch</title>
     <style>
       em {
@@ -28,8 +28,6 @@
       }
 
       .document {
-        padding: 20px 20px;
-        background-color: #f5f5f5;
         border-radius: 4px;
         margin-bottom: 20px;
         display: flex;
@@ -40,121 +38,141 @@
         max-width: 75%;
         padding: 0;
         margin: 0;
+        list-style-type: none;
       }
 
+      .document ol li {
+        list-style: none;
+      }
+
+
       .document .image {
-        max-width: 25%;
-        flex: 0 0 25%;
-        padding-left: 30px;
+        max-width: 50%;
+        margin: 0 auto;
         box-sizing: border-box;
       }
 
+      @media screen and (min-width: 770px) {
+        .document .image {
+          max-width: 25%;
+          flex: 0 0 25%;
+          margin: 0;
+          padding-left: 30px;
+          box-sizing: border-box;
+        }
+      }
+
       .document .image img {
         width: 100%;
       }
 
-      .field {
-        list-style-type: none;
-        display: flex;
-        flex-wrap: wrap;
-      }
-
-      .field:not(:last-child) {
-        margin-bottom: 7px;
-      }
-
       .attribute {
-        flex: 0 0 25%;
-        max-width: 25%;
-        text-align: right;
-        padding-right: 10px;
+        text-align: center;
         box-sizing: border-box;
         text-transform: uppercase;
+        font-weight: bold;
         color: rgba(0,0,0,.7);
       }
 
+      @media screen and (min-width: 770px) {
+        .attribute {
+          flex: 0 0 25%;
+          max-width: 25%;
+          text-align: right;
+          padding-right: 10px;
+          font-weight: normal;
+          box-sizing: border-box;
+        }
+      }
+      @media screen and (max-width: 770px) {
+        .attribute {
+          padding-bottom: 0;
+        }
+      }
+
       .content {
-        max-width: 75%;
         flex: 0 0 75%;
         box-sizing: border-box;
-        padding-left: 10px;
         color: rgba(0,0,0,.9);
-        overflow-wrap: break-word;
+        overflow-wrap: anywhere;
+      }
+
+      .hero-foot {
+        padding-bottom: 3rem;
+      }
+
+      @media screen and (max-width: 770px) {
+        .align-on-mobile {
+          text-align: center;
+        }
       }
     </style>
   </head>
   <body>
 
     <section class="hero is-light">
+      
       <div class="hero-body">
         <div class="container">
-          <h1 class="title">
-            Welcome to MeiliSearch
-          </h1>
-          <h2 class="subtitle">
-            This dashboard will help you check the search results with ease.
-          </h2>
-
-          <div class="field">
-            <!-- API Key -->
-            <div class="field">
-              <div class="control">
-                <input id="apiKey" class="input is-small" type="password" placeholder="API key (optional)">
-                <div class="help">At least a private API key is required for the dashboard to access the indexes list.</div>
+          <div class="content is-medium align-on-mobile">
+            <h1 class="title is-1 is-spaced">
+              Welcome to MeiliSearch
+            </h1>
+            <p class="subtitle is-4">
+              This dashboard will help you check the search results with ease.
+            </p>
+          </div>
+          <div class="columns">
+            <div class="column is-4">
+              <div class="field">
+                  <!-- API Key -->
+                    <label class="label" for="apiKey">API Key (optional)</label>
+                    <div class="control">
+                      <input id="apiKey" class="input is-small" type="password" placeholder="Enter your API key">
+                    </div>
+                    <p class="help">At least a private API key is required for the dashboard to access the indexes list.</p>
+              </div>
+            </div>
+          </div>
+          <div class="columns">
+            <div class="column is-8">
+                <label class="label" for="search">Search something</label>
+                <div class="field has-addons">
+                  <div class="control">
+                    <span class="select">
+                      <select role="listbox" id="index" aria-label="Select the index you want to search on">
+                        <!-- indexes names -->
+                      </select>
+                    </span>
+                  </div>
+                  <div class="control is-expanded">
+                    <input id="search" class="input" type="search" autofocus placeholder="e.g. George Clooney" aria-label="Search through your documents">
+                  </div>
+                </div>
+            </div>
+            <div class="column is-4">
+              <div class="columns">
+                <div class="column is-6 has-text-centered">
+                  <p class="heading">Documents</p>
+                  <p id="count" class="title">0</p>
+                </div>
+                <div class="column is-6 has-text-centered">
+                  <p class="heading">Time Spent</p>
+                  <p id="time" class="title">N/A</p>
+                </div>
               </div>
             </div>
           </div>
-
         </div>
       </div>
     </section>
 
-    <section class="hero container">
-        <div class="notification" style="border-radius: 0 0 4px 4px;">
-
-          <nav class="level">
-            <!-- Left side -->
-            <div class="level-left">
-              <div class="level-item">
-                <div class="field has-addons has-addons-right">
-                  <p class="control">
-                    <span class="select">
-                      <select id="index">
-                        <!-- indexes names -->
-                      </select>
-                    </span>
-                  </p>
-                  <p class="control">
-                    <input id="search" class="input" type="text" autofocus placeholder="e.g. George Clooney">
-                  </p>
-                </div>
-              </div>
-            </div>
-
-            <!-- Right side -->
-            <nav class="level-right">
-              <div class="level-item has-text-centered">
-                <div>
-                  <p class="heading">Documents</p>
-                  <p id="count" class="title">25</p>
-                </div>
-              </div>
-              <div class="level-item has-text-centered">
-                <div>
-                  <p class="heading">Time Spent</p>
-                  <p id="time" class="title">4ms</p>
-                </div>
-              </div>
-            </nav>
-          </nav>
-
-        </div>
-    </section>
-
     <section>
-      <ol id="results" class="content">
-        <!-- documents matching resquests -->
-      </ol>
+      <div class="container">
+        <ol id="results" class="content">
+          <!-- documents matching resquests -->
+        </ol>
+      </div>
     </section>
   </body>
 
@@ -203,7 +221,7 @@
         if (e.selectedIndex == -1) { return }
         var index = e.options[e.selectedIndex].value;
 
-        let theUrl = `${baseUrl}/indexes/${index}/search?q=${search.value}&attributesToHighlight=*`;
+        let theUrl = `${baseUrl}/indexes/${index}/search?q=${encodeURIComponent(search.value)}&attributesToHighlight=*`;
 
         if (lastRequest) { lastRequest.abort() }
         lastRequest = new XMLHttpRequest();
@@ -221,7 +239,7 @@
                 results.innerHTML = '';
 
                 let processingTimeMs = httpResults.processingTimeMs;
-                let numberOfDocuments = httpResults.hits.length;
+                let numberOfDocuments = httpResults.nbHits;
                 time.innerHTML = `${processingTimeMs}ms`;
                 count.innerHTML = `${numberOfDocuments}`;
 
@@ -230,9 +248,12 @@
                     delete element._formatted;
 
                     const elem = document.createElement('li');
-                    elem.classList.add("document");
+                    elem.classList.add("document","box");
 
-                    const ol = document.createElement('ol');
+                    const div = document.createElement('div');
+                    div.classList.add("columns","is-desktop","is-tablet");
+                    const info = document.createElement('div');
+                    info.classList.add("column","align-on-mobile");
                     let image = undefined;
 
                     for (const prop in element) {
@@ -243,15 +264,16 @@
                             }
                         }
 
-                        const field = document.createElement('li');
-                        field.classList.add("field");
+                        const field = document.createElement('div');
+                        field.classList.add("columns");
 
                         const attribute = document.createElement('div');
-                        attribute.classList.add("attribute");
+                        attribute.classList.add("attribute", "column");
                         attribute.innerHTML = prop;
 
                         const content = document.createElement('div');
-                        content.classList.add("content");
+                        content.classList.add("content", "column");
+                        
                         if (typeof (element[prop]) === "object") {
                           content.innerHTML = JSON.stringify(element[prop]);
                         } else {
@@ -261,19 +283,22 @@
                         field.appendChild(attribute);
                         field.appendChild(content);
 
-                        ol.appendChild(field);
+                        info.appendChild(field);
                     }
 
-                    elem.appendChild(ol);
+                    div.appendChild(info);
+                    elem.appendChild(div);
 
                     if (image != undefined) {
-                        const div = document.createElement('div');
-                        div.classList.add("image");
-
+                        const divImage = document.createElement('div');
+                        divImage.classList.add("image","column","align-on-mobile");
+                        
                         const img = document.createElement('img');
                         img.src = image;
+                        img.setAttribute("alt","Item illustration");
 
-                        div.appendChild(img);
+                        divImage.appendChild(img);
+                        div.appendChild(divImage);
                         elem.appendChild(div);
                     }
 
@@ -299,6 +324,8 @@
     refreshIndexList();
 
     search.oninput = triggerSearch;
+    
+    let select = document.getElementById("index");
     select.onchange = triggerSearch;
 
     triggerSearch();

meilisearch-http/src/analytics.rs

@@ -127,9 +127,14 @@ pub fn analytics_sender(data: Data, opt: Opt) {
 
         let body = qs::to_string(&request).unwrap();
         let response = ureq::post("https://api.amplitude.com/httpapi").send_string(&body);
-        if !response.ok() {
-            let body = response.into_string().unwrap();
-            error!("Unsuccessful call to Amplitude: {}", body);
+        match response {
+            Err(ureq::Error::Status(_ , response)) => {
+                error!("Unsuccessful call to Amplitude: {}", response.into_string().unwrap_or_default());
+            }
+            Err(e) => {
+                error!("Unsuccessful call to Amplitude: {}", e);
+            }
+            _ => (),
         }
 
         thread::sleep(Duration::from_secs(3600)) // one hour

meilisearch-http/src/data.rs

@@ -1,12 +1,15 @@
 use std::error::Error;
 use std::ops::Deref;
-use std::sync::Arc;
+use std::path::PathBuf;
+use std::sync::{Arc, Mutex};
 
-use meilisearch_core::{Database, DatabaseOptions};
+use meilisearch_core::{Database, DatabaseOptions, Index};
 use sha2::Digest;
 
+use crate::error::{Error as MSError, ResponseError};
 use crate::index_update_callback;
 use crate::option::Opt;
+use crate::dump::DumpInfo;
 
 #[derive(Clone)]
 pub struct Data {
@@ -25,9 +28,12 @@ impl Deref for Data {
 pub struct DataInner {
     pub db: Arc<Database>,
     pub db_path: String,
+    pub dumps_dir: PathBuf,
+    pub dump_batch_size: usize,
     pub api_keys: ApiKeys,
     pub server_pid: u32,
     pub http_payload_size_limit: usize,
+    pub current_dump: Arc<Mutex<Option<DumpInfo>>>,
 }
 
 #[derive(Clone)]
@@ -57,11 +63,13 @@ impl ApiKeys {
 impl Data {
     pub fn new(opt: Opt) -> Result<Data, Box<dyn Error>> {
         let db_path = opt.db_path.clone();
+        let dumps_dir = opt.dumps_dir.clone();
+        let dump_batch_size = opt.dump_batch_size;
         let server_pid = std::process::id();
 
         let db_opt = DatabaseOptions {
-            main_map_size: opt.main_map_size,
-            update_map_size: opt.update_map_size,
+            main_map_size: opt.max_mdb_size,
+            update_map_size: opt.max_udb_size,
         };
 
         let http_payload_size_limit = opt.http_payload_size_limit;
@@ -76,12 +84,17 @@ impl Data {
 
         api_keys.generate_missing_api_keys();
 
+        let current_dump = Arc::new(Mutex::new(None));
+
         let inner_data = DataInner {
             db: db.clone(),
             db_path,
+            dumps_dir,
+            dump_batch_size,
             api_keys,
             server_pid,
             http_payload_size_limit,
+            current_dump,
         };
 
         let data = Data {
@@ -95,4 +108,68 @@ impl Data {
 
         Ok(data)
     }
+
+    fn create_index(&self, uid: &str) -> Result<Index, ResponseError> {
+        if !uid
+            .chars()
+            .all(|x| x.is_ascii_alphanumeric() || x == '-' || x == '_')
+        {
+            return Err(MSError::InvalidIndexUid.into());
+        }
+
+        let created_index = self.db.create_index(&uid).map_err(|e| match e {
+            meilisearch_core::Error::IndexAlreadyExists => e.into(),
+            _ => ResponseError::from(MSError::create_index(e)),
+        })?;
+
+        self.db.main_write::<_, _, ResponseError>(|mut writer| {
+            created_index.main.put_name(&mut writer, uid)?;
+
+            created_index
+                .main
+                .created_at(&writer)?
+                .ok_or(MSError::internal("Impossible to read created at"))?;
+
+            created_index
+                .main
+                .updated_at(&writer)?
+                .ok_or(MSError::internal("Impossible to read updated at"))?;
+            Ok(())
+        })?;
+
+        Ok(created_index)
+    }
+
+    pub fn get_current_dump_info(&self) -> Option<DumpInfo> {
+        self.current_dump.lock().unwrap().clone()
+    }
+
+    pub fn set_current_dump_info(&self, dump_info: DumpInfo) {
+        self.current_dump.lock().unwrap().replace(dump_info);
+    }
+
+    pub fn get_or_create_index<F, R>(&self, uid: &str, f: F) -> Result<R, ResponseError>
+    where
+        F: FnOnce(&Index) -> Result<R, ResponseError>,
+    {
+        let mut index_has_been_created = false;
+
+        let index = match self.db.open_index(&uid) {
+            Some(index) => index,
+            None => {
+                index_has_been_created = true;
+                self.create_index(&uid)?
+            }
+        };
+
+        match f(&index) {
+            Ok(r) => Ok(r),
+            Err(err) => {
+                if index_has_been_created {
+                    let _ = self.db.delete_index(&uid);
+                }
+                Err(err)
+            }
+        }
+    }
 }

meilisearch-http/src/dump.rs

@@ -0,0 +1,413 @@
+use std::fs::{create_dir_all, File};
+use std::io::prelude::*;
+use std::path::{Path, PathBuf};
+use std::thread;
+
+use actix_web::web;
+use chrono::offset::Utc;
+use indexmap::IndexMap;
+use log::{error, info};
+use meilisearch_core::{MainWriter, MainReader, UpdateReader};
+use meilisearch_core::settings::Settings;
+use meilisearch_core::update::{apply_settings_update, apply_documents_addition};
+use serde::{Deserialize, Serialize};
+use serde_json::json;
+use tempfile::TempDir;
+
+use crate::Data;
+use crate::error::{Error, ResponseError};
+use crate::helpers::compression;
+use crate::routes::index;
+use crate::routes::index::IndexResponse;
+
+#[derive(Debug, Serialize, Deserialize, Copy, Clone)]
+enum DumpVersion {
+    V1,
+}
+
+impl DumpVersion {
+    const CURRENT: Self = Self::V1;
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct DumpMetadata {
+    indexes: Vec<crate::routes::index::IndexResponse>,
+    db_version: String,
+    dump_version: DumpVersion,
+}
+
+impl DumpMetadata {
+    /// Create a DumpMetadata with the current dump version of meilisearch.
+    pub fn new(indexes: Vec<crate::routes::index::IndexResponse>, db_version: String) -> Self {
+        DumpMetadata {
+            indexes,
+            db_version,
+            dump_version: DumpVersion::CURRENT,
+        }
+    }
+
+    /// Extract DumpMetadata from `metadata.json` file present at provided `dir_path`
+    fn from_path(dir_path: &Path) -> Result<Self, Error> {
+        let path = dir_path.join("metadata.json");
+        let file = File::open(path)?;
+        let reader = std::io::BufReader::new(file);
+        let metadata = serde_json::from_reader(reader)?;
+
+        Ok(metadata)
+    }
+
+    /// Write DumpMetadata in `metadata.json` file at provided `dir_path`
+    fn to_path(&self, dir_path: &Path) -> Result<(), Error> {
+        let path = dir_path.join("metadata.json");
+        let file = File::create(path)?;
+
+        serde_json::to_writer(file, &self)?;
+
+        Ok(())
+    }
+}
+
+/// Extract Settings from `settings.json` file present at provided `dir_path`
+fn settings_from_path(dir_path: &Path) -> Result<Settings, Error> {
+    let path = dir_path.join("settings.json");
+    let file = File::open(path)?;
+    let reader = std::io::BufReader::new(file);
+    let metadata = serde_json::from_reader(reader)?;
+
+    Ok(metadata)
+}
+
+/// Write Settings in `settings.json` file at provided `dir_path`
+fn settings_to_path(settings: &Settings, dir_path: &Path) -> Result<(), Error> {
+    let path = dir_path.join("settings.json");
+    let file = File::create(path)?;
+
+    serde_json::to_writer(file, settings)?;
+
+    Ok(())
+}
+
+/// Import settings and documents of a dump with version `DumpVersion::V1` in specified index.
+fn import_index_v1(
+    data: &Data,
+    dumps_dir: &Path,
+    index_uid: &str,
+    document_batch_size: usize,
+    write_txn: &mut MainWriter,
+) -> Result<(), Error> {
+
+    // open index
+    let index = data
+        .db
+        .open_index(index_uid)
+        .ok_or(Error::index_not_found(index_uid))?;
+
+    // index dir path in  dump dir
+    let index_path = &dumps_dir.join(index_uid);
+
+    // extract `settings.json` file and import content
+    let settings = settings_from_path(&index_path)?;
+    let settings = settings.to_update().map_err(|e| Error::dump_failed(format!("importing settings for index {}; {}", index_uid, e)))?;
+    apply_settings_update(write_txn, &index, settings)?;
+
+    // create iterator over documents in `documents.jsonl` to make batch importation
+    // create iterator over documents in `documents.jsonl` to make batch importation
+    let documents = {
+        let file = File::open(&index_path.join("documents.jsonl"))?;
+        let reader = std::io::BufReader::new(file);
+        let deserializer = serde_json::Deserializer::from_reader(reader);
+        deserializer.into_iter::<IndexMap<String, serde_json::Value>>()
+    };
+
+    // batch import document every `document_batch_size`:
+    // create a Vec to bufferize documents
+    let mut values = Vec::with_capacity(document_batch_size);
+    // iterate over documents
+    for document in documents {
+        // push document in buffer
+        values.push(document?);
+        // if buffer is full, create and apply a batch, and clean buffer
+        if values.len() == document_batch_size { 
+            let batch = std::mem::replace(&mut values, Vec::with_capacity(document_batch_size));
+            apply_documents_addition(write_txn, &index, batch)?;
+        }
+    }
+
+    // apply documents remaining in the buffer 
+    if !values.is_empty() { 
+        apply_documents_addition(write_txn, &index, values)?;
+    }
+
+    // sync index information: stats, updated_at, last_update
+    if let Err(e) = crate::index_update_callback_txn(index, index_uid, data, write_txn) {
+        return Err(Error::Internal(e));
+    }
+
+    Ok(())
+}
+
+/// Import dump from `dump_path` in database.
+pub fn import_dump(
+    data: &Data,
+    dump_path: &Path,
+    document_batch_size: usize,
+) -> Result<(), Error> {
+    info!("Importing dump from {:?}...", dump_path);
+
+    // create a temporary directory
+    let tmp_dir = TempDir::new()?;
+    let tmp_dir_path = tmp_dir.path();
+
+    // extract dump in temporary directory
+    compression::from_tar_gz(dump_path, tmp_dir_path)?;
+
+    // read dump metadata
+    let metadata = DumpMetadata::from_path(&tmp_dir_path)?;
+
+    // choose importation function from DumpVersion of metadata
+    let import_index = match metadata.dump_version {
+        DumpVersion::V1 => import_index_v1,
+    };
+
+    // remove indexes which have same `uid` than indexes to import and create empty indexes
+    let existing_index_uids = data.db.indexes_uids();
+    for index in metadata.indexes.iter() {
+        if existing_index_uids.contains(&index.uid) {
+            data.db.delete_index(index.uid.clone())?;
+        }
+        index::create_index_sync(&data.db, index.uid.clone(), index.name.clone(), index.primary_key.clone())?;
+    }
+
+    // import each indexes content
+    data.db.main_write::<_, _, Error>(|mut writer| {
+        for index in metadata.indexes {
+            import_index(&data, tmp_dir_path, &index.uid, document_batch_size, &mut writer)?;
+        }
+        Ok(())
+    })?;
+
+    info!("Dump importation from {:?} succeed", dump_path);
+    Ok(())
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+#[serde(rename_all = "snake_case")]
+pub enum DumpStatus {
+    Done,
+    InProgress,
+    Failed,
+}
+
+#[derive(Debug, Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct DumpInfo {
+    pub uid: String,
+    pub status: DumpStatus,
+    #[serde(skip_serializing_if = "Option::is_none", flatten)]
+    pub error: Option<serde_json::Value>,
+
+}
+
+impl DumpInfo {
+    pub fn new(uid: String, status: DumpStatus) -> Self {
+        Self { uid, status, error: None }
+    }
+
+    pub fn with_error(mut self, error: ResponseError) -> Self {
+        self.status = DumpStatus::Failed;
+        self.error = Some(json!(error));
+
+        self
+    }
+
+    pub fn dump_already_in_progress(&self) -> bool {
+        self.status == DumpStatus::InProgress
+    }
+}
+
+/// Generate uid from creation date
+fn generate_uid() -> String {
+    Utc::now().format("%Y%m%d-%H%M%S%3f").to_string()
+}
+
+/// Infer dumps_dir from dump_uid
+pub fn compressed_dumps_dir(dumps_dir: &Path, dump_uid: &str) -> PathBuf {
+    dumps_dir.join(format!("{}.dump", dump_uid))
+}
+
+/// Write metadata in dump
+fn dump_metadata(data: &web::Data<Data>, dir_path: &Path, indexes: Vec<IndexResponse>) -> Result<(), Error> {
+    let (db_major, db_minor, db_patch) = data.db.version();
+    let metadata = DumpMetadata::new(indexes, format!("{}.{}.{}", db_major, db_minor, db_patch));
+
+    metadata.to_path(dir_path)
+}
+
+/// Export settings of provided index in dump
+fn dump_index_settings(data: &web::Data<Data>, reader: &MainReader, dir_path: &Path, index_uid: &str) -> Result<(), Error> {
+    let settings = crate::routes::setting::get_all_sync(data, reader, index_uid)?;
+
+    settings_to_path(&settings, dir_path)
+}
+
+/// Export updates of provided index in dump
+fn dump_index_updates(data: &web::Data<Data>, reader: &UpdateReader, dir_path: &Path, index_uid: &str) -> Result<(), Error> {
+    let updates_path = dir_path.join("updates.jsonl");
+    let updates = crate::routes::index::get_all_updates_status_sync(data, reader, index_uid)?;
+
+    let file = File::create(updates_path)?;
+
+    for update in updates {
+        serde_json::to_writer(&file, &update)?;
+        writeln!(&file)?;
+    }
+
+    Ok(())
+}
+
+/// Export documents of provided index in dump
+fn dump_index_documents(data: &web::Data<Data>, reader: &MainReader, dir_path: &Path, index_uid: &str) -> Result<(), Error> {
+    let documents_path = dir_path.join("documents.jsonl");
+    let file = File::create(documents_path)?;
+    let dump_batch_size = data.dump_batch_size;
+
+    let mut offset = 0;
+    loop {
+        let documents = crate::routes::document::get_all_documents_sync(data, reader, index_uid, offset, dump_batch_size, None)?;
+        if documents.is_empty() { break; } else { offset += dump_batch_size; }
+
+        for document in documents {
+            serde_json::to_writer(&file, &document)?;
+            writeln!(&file)?;
+        }
+    }
+
+    Ok(())
+}
+
+/// Write error with a context.
+fn fail_dump_process<E: std::error::Error>(data: &web::Data<Data>, dump_info: DumpInfo, context: &str, error: E) {
+        let error_message = format!("{}; {}", context, error);
+        
+        error!("Something went wrong during dump process: {}", &error_message);
+        data.set_current_dump_info(dump_info.with_error(Error::dump_failed(error_message).into()))
+}
+
+/// Main function of dump.
+fn dump_process(data: web::Data<Data>, dumps_dir: PathBuf, dump_info: DumpInfo) {
+    // open read transaction on Update
+    let update_reader = match data.db.update_read_txn() {
+        Ok(r) => r,
+        Err(e) => {
+            fail_dump_process(&data, dump_info, "creating RO transaction on updates", e);
+            return ;
+        }
+    };
+
+    // open read transaction on Main
+    let main_reader = match data.db.main_read_txn() {
+        Ok(r) => r,
+        Err(e) => {
+            fail_dump_process(&data, dump_info, "creating RO transaction on main", e);
+            return ;
+        }
+    };
+
+    // create a temporary directory
+    let tmp_dir = match TempDir::new() {
+        Ok(tmp_dir) => tmp_dir,
+        Err(e) => {
+            fail_dump_process(&data, dump_info, "creating temporary directory", e);
+            return ;
+        }
+    };
+    let tmp_dir_path = tmp_dir.path();
+
+    // fetch indexes
+    let indexes = match crate::routes::index::list_indexes_sync(&data, &main_reader) {
+        Ok(indexes) => indexes,
+        Err(e) => {
+            fail_dump_process(&data, dump_info, "listing indexes", e);
+            return ;
+        }
+    };
+
+    // create metadata
+    if let Err(e) = dump_metadata(&data, &tmp_dir_path, indexes.clone()) {
+        fail_dump_process(&data, dump_info, "generating metadata", e);
+        return ;
+    }
+
+    // export settings, updates and documents for each indexes
+    for index in indexes {
+        let index_path = tmp_dir_path.join(&index.uid);
+
+        // create index sub-dircetory
+        if let Err(e) = create_dir_all(&index_path) {
+            fail_dump_process(&data, dump_info, &format!("creating directory for index {}", &index.uid), e);
+            return ;
+        }
+
+        // export settings
+        if let Err(e) = dump_index_settings(&data, &main_reader, &index_path, &index.uid) {
+            fail_dump_process(&data, dump_info, &format!("generating settings for index {}", &index.uid), e);
+            return ;
+        }
+
+        // export documents
+        if let Err(e) = dump_index_documents(&data, &main_reader, &index_path, &index.uid) {
+            fail_dump_process(&data, dump_info, &format!("generating documents for index {}", &index.uid), e);
+            return ;
+        }
+
+        // export updates
+        if let Err(e) = dump_index_updates(&data, &update_reader, &index_path, &index.uid) {
+            fail_dump_process(&data, dump_info, &format!("generating updates for index {}", &index.uid), e);
+            return ;
+        }
+    }
+
+    // compress dump in a file named `{dump_uid}.dump` in `dumps_dir`
+    if let Err(e) = crate::helpers::compression::to_tar_gz(&tmp_dir_path, &compressed_dumps_dir(&dumps_dir, &dump_info.uid)) {
+        fail_dump_process(&data, dump_info, "compressing dump", e);
+        return ;
+    }
+
+    // update dump info to `done`
+    let resume = DumpInfo::new(
+        dump_info.uid,
+        DumpStatus::Done
+    );
+
+    data.set_current_dump_info(resume);
+}
+
+pub fn init_dump_process(data: &web::Data<Data>, dumps_dir: &Path) -> Result<DumpInfo, Error> {
+    create_dir_all(dumps_dir).map_err(|e| Error::dump_failed(format!("creating temporary directory {}", e)))?;
+
+    // check if a dump is already in progress
+    if let Some(resume) = data.get_current_dump_info() {
+        if resume.dump_already_in_progress() {
+            return Err(Error::dump_conflict())
+        }
+    }
+
+    // generate a new dump info
+    let info = DumpInfo::new(
+        generate_uid(),
+        DumpStatus::InProgress
+    );
+
+    data.set_current_dump_info(info.clone());
+
+    let data = data.clone();
+    let dumps_dir = dumps_dir.to_path_buf();
+    let info_cloned = info.clone();
+    // run dump process in a new thread
+    thread::spawn(move || 
+        dump_process(data, dumps_dir, info_cloned)
+    );
+
+    Ok(info)
+}

meilisearch-http/src/error.rs

@@ -5,7 +5,7 @@ use actix_http::ResponseBuilder;
 use actix_web as aweb;
 use actix_web::error::{JsonPayloadError, QueryPayloadError};
 use actix_web::http::StatusCode;
-use serde_json::json;
+use serde::ser::{Serialize, Serializer, SerializeStruct};
 
 use meilisearch_error::{ErrorCode, Code};
 
@@ -34,6 +34,51 @@ impl From<Error> for ResponseError {
     }
 }
 
+impl From<meilisearch_core::Error> for ResponseError {
+    fn from(err: meilisearch_core::Error) -> ResponseError {
+        ResponseError { inner: Box::new(err) }
+    }
+}
+
+impl From<meilisearch_schema::Error> for ResponseError {
+    fn from(err: meilisearch_schema::Error) -> ResponseError {
+        ResponseError { inner: Box::new(err) }
+    }
+}
+
+impl From<FacetCountError> for ResponseError {
+    fn from(err: FacetCountError) -> ResponseError {
+        ResponseError { inner: Box::new(err) }
+    }
+}
+
+impl Serialize for ResponseError {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let struct_name = "ResponseError";
+        let field_count = 4;
+
+        let mut state = serializer.serialize_struct(struct_name, field_count)?;
+        state.serialize_field("message", &self.to_string())?;
+        state.serialize_field("errorCode", &self.error_name())?;
+        state.serialize_field("errorType", &self.error_type())?;
+        state.serialize_field("errorLink", &self.error_url())?;
+        state.end()
+    }
+}
+
+impl aweb::error::ResponseError for ResponseError {
+    fn error_response(&self) -> aweb::HttpResponse {
+        ResponseBuilder::new(self.status_code()).json(&self)
+    }
+
+    fn status_code(&self) -> StatusCode {
+        self.http_status()
+    }
+}
+
 #[derive(Debug)]
 pub enum Error {
     BadParameter(String, String),
@@ -41,10 +86,10 @@ pub enum Error {
     CreateIndex(String),
     DocumentNotFound(String),
     IndexNotFound(String),
+    IndexAlreadyExists(String),
     Internal(String),
     InvalidIndexUid,
     InvalidToken(String),
-    Maintenance,
     MissingAuthorizationHeader,
     NotFound(String),
     OpenIndex(String),
@@ -52,6 +97,8 @@ pub enum Error {
     SearchDocuments(String),
     PayloadTooLarge,
     UnsupportedMediaType,
+    DumpAlreadyInProgress,
+    DumpProcessFailed(String),
 }
 
 impl error::Error for Error {}
@@ -65,10 +112,10 @@ impl ErrorCode for Error {
             CreateIndex(_) => Code::CreateIndex,
             DocumentNotFound(_) => Code::DocumentNotFound,
             IndexNotFound(_) => Code::IndexNotFound,
+            IndexAlreadyExists(_) => Code::IndexAlreadyExists,
             Internal(_) => Code::Internal,
             InvalidIndexUid => Code::InvalidIndexUid,
             InvalidToken(_) => Code::InvalidToken,
-            Maintenance => Code::Maintenance,
             MissingAuthorizationHeader => Code::MissingAuthorizationHeader,
             NotFound(_) => Code::NotFound,
             OpenIndex(_) => Code::OpenIndex,
@@ -76,6 +123,8 @@ impl ErrorCode for Error {
             SearchDocuments(_) => Code::SearchDocuments,
             PayloadTooLarge => Code::PayloadTooLarge,
             UnsupportedMediaType => Code::UnsupportedMediaType,
+            DumpAlreadyInProgress => Code::DumpAlreadyInProgress,
+            DumpProcessFailed(_) => Code::DumpProcessFailed,
         }
     }
 }
@@ -114,10 +163,10 @@ impl fmt::Display for FacetCountError {
         use FacetCountError::*;
 
         match self {
-            AttributeNotSet(attr) => write!(f, "attribute {} is not set as facet", attr),
-            SyntaxError(msg) => write!(f, "syntax error: {}", msg),
-            UnexpectedToken { expected, found } => write!(f, "unexpected {} found, expected {:?}", found, expected),
-            NoFacetSet => write!(f, "can't perform facet count, as no facet is set"),
+            AttributeNotSet(attr) => write!(f, "Attribute {} is not set as facet", attr),
+            SyntaxError(msg) => write!(f, "Syntax error: {}", msg),
+            UnexpectedToken { expected, found } => write!(f, "Unexpected {} found, expected {:?}", found, expected),
+            NoFacetSet => write!(f, "Can't perform facet count, as no facet is set"),
         }
     }
 }
@@ -167,10 +216,6 @@ impl Error {
         Error::InvalidIndexUid
     }
 
-    pub fn maintenance() -> Error {
-        Error::Maintenance
-    }
-
     pub fn retrieve_document(doc_id: u32, err: impl fmt::Display) -> Error {
         Error::RetrieveDocument(doc_id, err.to_string())
     }
@@ -178,6 +223,14 @@ impl Error {
     pub fn search_documents(err: impl fmt::Display) -> Error {
         Error::SearchDocuments(err.to_string())
     }
+
+    pub fn dump_conflict() -> Error {
+        Error::DumpAlreadyInProgress
+    }
+
+    pub fn dump_failed(message: String) -> Error {
+        Error::DumpProcessFailed(message)
+    }
 }
 
 impl fmt::Display for Error {
@@ -188,45 +241,26 @@ impl fmt::Display for Error {
             Self::CreateIndex(err) => write!(f, "Impossible to create index; {}", err),
             Self::DocumentNotFound(document_id) => write!(f, "Document with id {} not found", document_id),
             Self::IndexNotFound(index_uid) => write!(f, "Index {} not found", index_uid),
+            Self::IndexAlreadyExists(index_uid) => write!(f, "Index {} already exists", index_uid),
             Self::Internal(err) => f.write_str(err),
             Self::InvalidIndexUid => f.write_str("Index must have a valid uid; Index uid can be of type integer or string only composed of alphanumeric characters, hyphens (-) and underscores (_)."),
             Self::InvalidToken(err) => write!(f, "Invalid API key: {}", err),
-            Self::Maintenance => f.write_str("Server is in maintenance, please try again later"),
             Self::MissingAuthorizationHeader => f.write_str("You must have an authorization token"),
             Self::NotFound(err) => write!(f, "{} not found", err),
             Self::OpenIndex(err) => write!(f, "Impossible to open index; {}", err),
-            Self::RetrieveDocument(id, err) => write!(f, "impossible to retrieve the document with id: {}; {}", id, err),
-            Self::SearchDocuments(err) => write!(f, "impossible to search documents; {}", err),
-            Self::PayloadTooLarge => f.write_str("Payload to large"),
+            Self::RetrieveDocument(id, err) => write!(f, "Impossible to retrieve the document with id: {}; {}", id, err),
+            Self::SearchDocuments(err) => write!(f, "Impossible to search documents; {}", err),
+            Self::PayloadTooLarge => f.write_str("Payload too large"),
             Self::UnsupportedMediaType => f.write_str("Unsupported media type"),
+            Self::DumpAlreadyInProgress => f.write_str("Another dump is already in progress"),
+            Self::DumpProcessFailed(message) => write!(f, "Dump process failed: {}", message),
         }
     }
 }
 
-impl aweb::error::ResponseError for ResponseError {
-    fn error_response(&self) -> aweb::HttpResponse {
-        ResponseBuilder::new(self.status_code()).json(json!({
-            "message": self.to_string(),
-            "errorCode": self.error_name(),
-            "errorType": self.error_type(),
-            "errorLink": self.error_url(),
-        }))
-    }
-
-    fn status_code(&self) -> StatusCode {
-        self.http_status()
-    }
-}
-
-impl From<meilisearch_core::Error> for ResponseError {
-    fn from(err: meilisearch_core::Error) -> ResponseError {
-        ResponseError { inner: Box::new(err) }
-    }
-}
-
-impl From<meilisearch_schema::Error> for ResponseError {
-    fn from(err: meilisearch_schema::Error) -> ResponseError {
-        ResponseError { inner: Box::new(err) }
+impl From<std::io::Error> for Error {
+    fn from(err: std::io::Error) -> Error {
+        Error::Internal(err.to_string())
     }
 }
 
@@ -236,9 +270,15 @@ impl From<actix_http::Error> for Error {
     }
 }
 
-impl From<FacetCountError> for ResponseError {
-    fn from(err: FacetCountError) -> ResponseError {
-        ResponseError { inner: Box::new(err) }
+impl From<meilisearch_core::Error> for Error {
+    fn from(err: meilisearch_core::Error) -> Error {
+        Error::Internal(err.to_string())
+    }
+}
+
+impl From<serde_json::error::Error> for Error {
+    fn from(err: serde_json::error::Error) -> Error {
+        Error::Internal(err.to_string())
     }
 }
 

meilisearch-http/src/helpers/authentication.rs

@@ -4,8 +4,10 @@ use std::rc::Rc;
 use std::task::{Context, Poll};
 
 use actix_service::{Service, Transform};
-use actix_web::{dev::ServiceRequest, dev::ServiceResponse};
+use actix_web::{dev::ServiceRequest, dev::ServiceResponse, web};
 use futures::future::{err, ok, Future, Ready};
+use actix_web::error::ResponseError as _;
+use actix_web::dev::Body;
 
 use crate::error::{Error, ResponseError};
 use crate::Data;
@@ -17,14 +19,13 @@ pub enum Authentication {
     Admin,
 }
 
-impl<S: 'static, B> Transform<S> for Authentication
+impl<S: 'static> Transform<S> for Authentication
 where
-    S: Service<Request = ServiceRequest, Response = ServiceResponse<B>, Error = actix_web::Error>,
+    S: Service<Request = ServiceRequest, Response = ServiceResponse<Body>, Error = actix_web::Error>,
     S::Future: 'static,
-    B: 'static,
 {
     type Request = ServiceRequest;
-    type Response = ServiceResponse<B>;
+    type Response = ServiceResponse<Body>;
     type Error = actix_web::Error;
     type InitError = ();
     type Transform = LoggingMiddleware<S>;
@@ -44,14 +45,13 @@ pub struct LoggingMiddleware<S> {
 }
 
 #[allow(clippy::type_complexity)]
-impl<S, B> Service for LoggingMiddleware<S>
+impl<S> Service for LoggingMiddleware<S>
 where
-    S: Service<Request = ServiceRequest, Response = ServiceResponse<B>, Error = actix_web::Error> + 'static,
+    S: Service<Request = ServiceRequest, Response = ServiceResponse<Body>, Error = actix_web::Error> + 'static,
     S::Future: 'static,
-    B: 'static,
 {
     type Request = ServiceRequest;
-    type Response = ServiceResponse<B>;
+    type Response = ServiceResponse<Body>;
     type Error = actix_web::Error;
     type Future = Pin<Box<dyn Future<Output = Result<Self::Response, Self::Error>>>>;
 
@@ -63,7 +63,7 @@ where
         let mut svc = self.service.clone();
         // This unwrap is left because this error should never appear. If that's the case, then
         // it means that actix-web has an issue or someone changes the type `Data`.
-        let data = req.app_data::<Data>().unwrap();
+        let data = req.app_data::<web::Data<Data>>().unwrap();
 
         if data.api_keys.master.is_none() {
             return Box::pin(svc.call(req));
@@ -72,7 +72,11 @@ where
         let auth_header = match req.headers().get("X-Meili-API-Key") {
             Some(auth) => match auth.to_str() {
                 Ok(auth) => auth,
-                Err(_) => return Box::pin(err(ResponseError::from(Error::MissingAuthorizationHeader).into())),
+                Err(_) => {
+                    let error = ResponseError::from(Error::MissingAuthorizationHeader).error_response();
+                    let (request, _) = req.into_parts();
+                    return Box::pin(ok(ServiceResponse::new(request, error)))
+                }
             },
             None => {
                 return Box::pin(err(ResponseError::from(Error::MissingAuthorizationHeader).into()));
@@ -95,9 +99,9 @@ where
         if authenticated {
             Box::pin(svc.call(req))
         } else {
-            Box::pin(err(
-                ResponseError::from(Error::InvalidToken(auth_header.to_string())).into()
-            ))
+            let error = ResponseError::from(Error::InvalidToken(auth_header.to_string())).error_response();
+            let (request, _) = req.into_parts();
+            return Box::pin(ok(ServiceResponse::new(request, error)))
         }
     }
 }

meilisearch-http/src/helpers/compression.rs

@@ -0,0 +1,27 @@
+use flate2::Compression;
+use flate2::read::GzDecoder;
+use flate2::write::GzEncoder;
+use std::fs::{create_dir_all, File};
+use std::path::Path;
+use tar::{Builder, Archive};
+
+use crate::error::Error;
+
+pub fn to_tar_gz(src: &Path, dest: &Path) -> Result<(), Error> {
+    let f = File::create(dest)?;
+    let gz_encoder = GzEncoder::new(f, Compression::default());
+    let mut tar_encoder = Builder::new(gz_encoder);
+    tar_encoder.append_dir_all(".", src)?;
+    let gz_encoder = tar_encoder.into_inner()?;
+    gz_encoder.finish()?;
+    Ok(())
+}
+
+pub fn from_tar_gz(src: &Path, dest: &Path) -> Result<(), Error> {
+    let f = File::open(src)?;
+    let gz = GzDecoder::new(f);
+    let mut ar = Archive::new(gz);
+    create_dir_all(dest)?;
+    ar.unpack(dest)?;
+    Ok(())
+}

meilisearch-http/src/helpers/meilisearch.rs

@@ -11,7 +11,6 @@ use meilisearch_core::criterion::*;
 use meilisearch_core::settings::RankingRule;
 use meilisearch_core::{Highlight, Index, RankedMap};
 use meilisearch_schema::{FieldId, Schema};
-use meilisearch_tokenizer::is_cjk;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use siphasher::sip::SipHasher;
@@ -178,7 +177,7 @@ impl<'a> SearchBuilder<'a> {
                 all_attributes.extend(&all_formatted);
             },
             None => {
-                all_attributes.extend(schema.displayed_name());
+                all_attributes.extend(schema.displayed_names());
                 // If we specified at least one attribute to highlight or crop then
                 // all available attributes will be returned in the _formatted field.
                 if self.attributes_to_highlight.is_some() || self.attributes_to_crop.is_some() {
@@ -193,9 +192,7 @@ impl<'a> SearchBuilder<'a> {
                 .index
                 .document(reader, Some(&all_attributes), doc.id)
                 .map_err(|e| Error::retrieve_document(doc.id.0, e))?
-                .ok_or(Error::internal(
-                    "Impossible to retrieve the document; Corrupted data",
-                ))?;
+                .unwrap_or_default();
 
             let mut formatted = document.iter()
                 .filter(|(key, _)| all_formatted.contains(key.as_str()))
@@ -293,12 +290,18 @@ impl<'a> SearchBuilder<'a> {
     }
 }
 
-#[derive(Debug, Clone, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
+#[derive(Debug, Clone, Eq, PartialEq, Serialize, Deserialize)]
 pub struct MatchPosition {
     pub start: usize,
     pub length: usize,
 }
 
+impl PartialOrd for MatchPosition {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
 impl Ord for MatchPosition {
     fn cmp(&self, other: &Self) -> Ordering {
         match self.start.cmp(&other.start) {
@@ -340,7 +343,7 @@ pub struct SearchResult {
 
 /// returns the start index and the length on the crop.
 fn aligned_crop(text: &str, match_index: usize, context: usize) -> (usize, usize) {
-    let is_word_component = |c: &char| c.is_alphanumeric() && !is_cjk(*c);
+    let is_word_component = |c: &char| c.is_alphanumeric() && !super::is_cjk(*c);
 
     let word_end_index = |mut index| {
         if text.chars().nth(index - 1).map_or(false, |c| is_word_component(&c)) {
@@ -441,7 +444,7 @@ fn calculate_matches(
                     continue;
                 }
             }
-            if !schema.displayed_name().contains(attribute) {
+            if !schema.displayed_names().contains(&attribute) {
                 continue;
             }
             if let Some(pos) = matches_result.get_mut(attribute) {
@@ -476,7 +479,7 @@ fn calculate_highlights(
     for (attribute, matches) in matches.iter() {
         if attributes_to_highlight.contains(attribute) {
             if let Some(Value::String(value)) = document.get(attribute) {
-                let value: Vec<_> = value.chars().collect();
+                let value = value;
                 let mut highlighted_value = String::new();
                 let mut index = 0;
 
@@ -489,16 +492,16 @@ fn calculate_highlights(
                     let before = value.get(index..m.start);
                     let highlighted = value.get(m.start..(m.start + m.length));
                     if let (Some(before), Some(highlighted)) = (before, highlighted) {
-                        highlighted_value.extend(before);
+                        highlighted_value.push_str(before);
                         highlighted_value.push_str("<em>");
-                        highlighted_value.extend(highlighted);
+                        highlighted_value.push_str(highlighted);
                         highlighted_value.push_str("</em>");
                         index = m.start + m.length;
                     } else {
                         error!("value: {:?}; index: {:?}, match: {:?}", value, index, m);
                     }
                 }
-                highlighted_value.extend(value[index..].iter());
+                highlighted_value.push_str(&value[index..]);
                 highlight_result.insert(attribute.to_string(), Value::String(highlighted_value));
             };
         }
@@ -594,7 +597,7 @@ mod tests {
 
         let mut m = Vec::new();
         m.push(MatchPosition {
-            start: 510,
+            start: 529,
             length: 9,
         });
         matches.insert("description".to_string(), m);

meilisearch-http/src/helpers/mod.rs

@@ -1,6 +1,26 @@
 pub mod authentication;
 pub mod meilisearch;
 pub mod normalize_path;
+pub mod compression;
 
 pub use authentication::Authentication;
 pub use normalize_path::NormalizePath;
+
+pub fn is_cjk(c: char) -> bool {
+    ('\u{1100}'..'\u{11ff}').contains(&c)  // Hangul Jamo
+        || ('\u{2e80}'..'\u{2eff}').contains(&c)  // CJK Radicals Supplement
+        || ('\u{2f00}'..'\u{2fdf}').contains(&c) // Kangxi radical
+        || ('\u{3000}'..'\u{303f}').contains(&c) // Japanese-style punctuation
+        || ('\u{3040}'..'\u{309f}').contains(&c) // Japanese Hiragana
+        || ('\u{30a0}'..'\u{30ff}').contains(&c) // Japanese Katakana
+        || ('\u{3100}'..'\u{312f}').contains(&c)
+        || ('\u{3130}'..'\u{318F}').contains(&c) // Hangul Compatibility Jamo
+        || ('\u{3200}'..'\u{32ff}').contains(&c) // Enclosed CJK Letters and Months
+        || ('\u{3400}'..'\u{4dbf}').contains(&c) // CJK Unified Ideographs Extension A
+        || ('\u{4e00}'..'\u{9fff}').contains(&c) // CJK Unified Ideographs
+        || ('\u{a960}'..'\u{a97f}').contains(&c) // Hangul Jamo Extended-A
+        || ('\u{ac00}'..'\u{d7a3}').contains(&c) // Hangul Syllables
+        || ('\u{d7b0}'..'\u{d7ff}').contains(&c) // Hangul Jamo Extended-B
+        || ('\u{f900}'..'\u{faff}').contains(&c) // CJK Compatibility Ideographs
+        || ('\u{ff00}'..'\u{ffef}').contains(&c) // Full-width roman characters and half-width katakana
+}

meilisearch-http/src/lib.rs

@@ -7,6 +7,8 @@ pub mod models;
 pub mod option;
 pub mod routes;
 pub mod analytics;
+pub mod snapshot;
+pub mod dump;
 
 use actix_http::Error;
 use actix_service::ServiceFactory;
@@ -14,7 +16,7 @@ use actix_web::{dev, web, App};
 use chrono::Utc;
 use log::error;
 
-use meilisearch_core::ProcessedUpdateResult;
+use meilisearch_core::{Index, MainWriter, ProcessedUpdateResult};
 
 pub use option::Opt;
 pub use self::data::Data;
@@ -22,6 +24,7 @@ use self::error::{payload_error_handler, ResponseError};
 
 pub fn create_app(
     data: &Data,
+    enable_frontend: bool,
 ) -> App<
     impl ServiceFactory<
         Config = (),
@@ -32,8 +35,8 @@ pub fn create_app(
     >,
     actix_http::body::Body,
 > {
-    App::new()
-        .app_data(web::Data::new(data.clone()))
+    let app = App::new()
+        .data(data.clone())
         .app_data(
             web::JsonConfig::default()
                 .limit(data.http_payload_size_limit)
@@ -44,8 +47,6 @@ pub fn create_app(
             web::QueryConfig::default()
             .error_handler(|err, _req| payload_error_handler(err).into())
         )
-        .service(routes::load_html)
-        .service(routes::load_css)
         .configure(routes::document::services)
         .configure(routes::index::services)
         .configure(routes::search::services)
@@ -55,6 +56,30 @@ pub fn create_app(
         .configure(routes::health::services)
         .configure(routes::stats::services)
         .configure(routes::key::services)
+        .configure(routes::dump::services);
+    if enable_frontend {
+        app
+            .service(routes::load_html)
+            .service(routes::load_css)
+    } else {
+        app
+    }
+}
+
+pub fn index_update_callback_txn(index: Index, index_uid: &str, data: &Data, mut writer: &mut MainWriter) -> Result<(), String> {
+    if let Err(e) = data.db.compute_stats(&mut writer, index_uid) {
+        return Err(format!("Impossible to compute stats; {}", e));
+    }
+
+    if let Err(e) = data.db.set_last_update(&mut writer, &Utc::now()) {
+        return Err(format!("Impossible to update last_update; {}", e));
+    }
+
+    if let Err(e) = index.main.put_updated_at(&mut writer) {
+        return Err(format!("Impossible to update updated_at; {}", e));
+    }
+
+    Ok(())
 }
 
 pub fn index_update_callback(index_uid: &str, data: &Data, status: ProcessedUpdateResult) {
@@ -62,20 +87,13 @@ pub fn index_update_callback(index_uid: &str, data: &Data, status: ProcessedUpda
         return;
     }
 
-    if let Some(index) = data.db.open_index(&index_uid) {
+    if let Some(index) = data.db.open_index(index_uid) {
         let db = &data.db;
         let res = db.main_write::<_, _, ResponseError>(|mut writer| {
-            if let Err(e) = data.db.compute_stats(&mut writer, &index_uid) {
-                error!("Impossible to compute stats; {}", e)
+            if let Err(e) = index_update_callback_txn(index, index_uid, data, &mut writer) {
+                error!("{}", e);
             }
 
-            if let Err(e) = data.db.set_last_update(&mut writer, &Utc::now()) {
-                error!("Impossible to update last_update; {}", e)
-            }
-
-            if let Err(e) = index.main.put_updated_at(&mut writer) {
-                error!("Impossible to update updated_at; {}", e)
-            }
             Ok(())
         });
         match res {

meilisearch-http/src/main.rs

@@ -6,6 +6,7 @@ use main_error::MainError;
 use meilisearch_http::helpers::NormalizePath;
 use meilisearch_http::{create_app, index_update_callback, Data, Opt};
 use structopt::StructOpt;
+use meilisearch_http::{snapshot, dump};
 
 mod analytics;
 
@@ -13,7 +14,7 @@ mod analytics;
 #[global_allocator]
 static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
 
-#[actix_rt::main]
+#[actix_web::main]
 async fn main() -> Result<(), MainError> {
     let opt = Opt::from_args();
 
@@ -46,11 +47,15 @@ async fn main() -> Result<(), MainError> {
             }
         }
         "development" => {
-            env_logger::from_env(env_logger::Env::default().default_filter_or("info")).init();
+            env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
         }
         _ => unreachable!(),
     }
 
+    if let Some(path) = &opt.import_snapshot {
+        snapshot::load_snapshot(&opt.db_path, path, opt.ignore_snapshot_if_db_exists, opt.ignore_missing_snapshot)?;
+    }
+
     let data = Data::new(opt.clone())?;
 
     if !opt.no_analytics {
@@ -64,17 +69,28 @@ async fn main() -> Result<(), MainError> {
         index_update_callback(name, &data_cloned, status);
     }));
 
+
+    if let Some(path) = &opt.import_dump {
+        dump::import_dump(&data, path, opt.dump_batch_size)?;
+    }
+
+    if opt.schedule_snapshot {
+        snapshot::schedule_snapshot(data.clone(), &opt.snapshot_dir, opt.snapshot_interval_sec.unwrap_or(86400))?;
+    }
+
     print_launch_resume(&opt, &data);
 
+    let enable_frontend = opt.env != "production";
     let http_server = HttpServer::new(move || {
-        create_app(&data)
-            .wrap(
-                Cors::new()
+        let cors = Cors::default()
                     .send_wildcard()
                     .allowed_headers(vec!["content-type", "x-meili-api-key"])
-                    .max_age(86_400) // 24h
-                    .finish(),
-            )
+                    .allow_any_origin()
+                    .allow_any_method()
+                    .max_age(86_400); // 24h
+
+        create_app(&data, enable_frontend)
+            .wrap(cors)
             .wrap(middleware::Logger::default())
             .wrap(middleware::Compress::default())
             .wrap(NormalizePath)

meilisearch-http/src/option.rs

@@ -1,7 +1,7 @@
+use std::{error, fs};
 use std::io::{BufReader, Read};
 use std::path::PathBuf;
 use std::sync::Arc;
-use std::{error, fs};
 
 use rustls::internal::pemfile::{certs, pkcs8_private_keys, rsa_private_keys};
 use rustls::{
@@ -49,15 +49,15 @@ pub struct Opt {
     pub no_analytics: bool,
 
     /// The maximum size, in bytes, of the main lmdb database directory
-    #[structopt(long, env = "MEILI_MAIN_MAP_SIZE", default_value = "107374182400")] // 100GB
-    pub main_map_size: usize,
+    #[structopt(long, env = "MEILI_MAX_MDB_SIZE", default_value = "107374182400")] // 100GB
+    pub max_mdb_size: usize,
 
     /// The maximum size, in bytes, of the update lmdb database directory
-    #[structopt(long, env = "MEILI_UPDATE_MAP_SIZE", default_value = "107374182400")] // 100GB
-    pub update_map_size: usize,
+    #[structopt(long, env = "MEILI_MAX_UDB_SIZE", default_value = "107374182400")] // 100GB
+    pub max_udb_size: usize,
 
     /// The maximum size, in bytes, of accepted JSON payloads
-    #[structopt(long, env = "MEILI_HTTP_PAYLOAD_SIZE_LIMIT", default_value = "10485760")] // 10MB
+    #[structopt(long, env = "MEILI_HTTP_PAYLOAD_SIZE_LIMIT", default_value = "104857600")] // 100MB
     pub http_payload_size_limit: usize,
 
     /// Read server certificates from CERTFILE.
@@ -93,6 +93,44 @@ pub struct Opt {
     /// SSL support tickets.
     #[structopt(long, env = "MEILI_SSL_TICKETS")]
     pub ssl_tickets: bool,
+
+    /// Defines the path of the snapshot file to import.
+    /// This option will, by default, stop the process if a database already exist or if no snapshot exists at
+    /// the given path. If this option is not specified no snapshot is imported.
+    #[structopt(long)]
+    pub import_snapshot: Option<PathBuf>,
+
+    /// The engine will ignore a missing snapshot and not return an error in such case.
+    #[structopt(long, requires = "import-snapshot")]
+    pub ignore_missing_snapshot: bool,
+
+    /// The engine will skip snapshot importation and not return an error in such case.
+    #[structopt(long, requires = "import-snapshot")]
+    pub ignore_snapshot_if_db_exists: bool,
+
+    /// Defines the directory path where meilisearch will create snapshot each snapshot_time_gap.
+    #[structopt(long, env = "MEILI_SNAPSHOT_DIR", default_value = "snapshots/")]
+    pub snapshot_dir: PathBuf,
+
+    /// Activate snapshot scheduling.
+    #[structopt(long, env = "MEILI_SCHEDULE_SNAPSHOT")]
+    pub schedule_snapshot: bool,
+
+    /// Defines time interval, in seconds, between each snapshot creation.
+    #[structopt(long, env = "MEILI_SNAPSHOT_INTERVAL_SEC")]
+    pub snapshot_interval_sec: Option<u64>,
+
+    /// Folder where dumps are created when the dump route is called.
+    #[structopt(long, env = "MEILI_DUMPS_DIR", default_value = "dumps/")]
+    pub dumps_dir: PathBuf,
+
+    /// Import a dump from the specified path, must be a `.tar.gz` file.
+    #[structopt(long, conflicts_with = "import-snapshot")]
+    pub import_dump: Option<PathBuf>,
+
+    /// The batch size used in the importation process, the bigger it is the faster the dump is created.
+    #[structopt(long, env = "MEILI_DUMP_BATCH_SIZE", default_value = "1024")]
+    pub dump_batch_size: usize,
 }
 
 impl Opt {

meilisearch-http/src/routes/document.rs

@@ -1,11 +1,11 @@
 use std::collections::{BTreeSet, HashSet};
 
+use actix_web::{delete, get, post, put};
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{delete, get, post, put};
 use indexmap::IndexMap;
-use meilisearch_core::update;
-use serde::Deserialize;
+use meilisearch_core::{update, MainReader};
 use serde_json::Value;
+use serde::Deserialize;
 
 use crate::Data;
 use crate::error::{Error, ResponseError};
@@ -45,7 +45,8 @@ async fn get_document(
 
     let reader = data.db.main_read_txn()?;
 
-    let internal_id = index.main
+    let internal_id = index
+        .main
         .external_to_internal_docid(&reader, &path.document_id)?
         .ok_or(Error::document_not_found(&path.document_id))?;
 
@@ -85,41 +86,61 @@ struct BrowseQuery {
     attributes_to_retrieve: Option<String>,
 }
 
+pub fn get_all_documents_sync(
+    data: &web::Data<Data>,
+    reader: &MainReader,
+    index_uid: &str,
+    offset: usize,
+    limit: usize,
+    attributes_to_retrieve: Option<&String>
+) -> Result<Vec<Document>, Error> {
+    let index = data
+        .db
+        .open_index(index_uid)
+        .ok_or(Error::index_not_found(index_uid))?;
+
+
+    let documents_ids: Result<BTreeSet<_>, _> = index
+        .documents_fields_counts
+        .documents_ids(reader)?
+        .skip(offset)
+        .take(limit)
+        .collect();
+
+    let attributes: Option<HashSet<&str>> = attributes_to_retrieve
+        .map(|a| a.split(',').collect());
+
+    let mut documents = Vec::new();
+    for document_id in documents_ids? {
+        if let Ok(Some(document)) =
+            index.document::<Document>(reader, attributes.as_ref(), document_id)
+        {
+            documents.push(document);
+        }
+    }
+
+    Ok(documents)
+}
+
 #[get("/indexes/{index_uid}/documents", wrap = "Authentication::Public")]
 async fn get_all_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
     params: web::Query<BrowseQuery>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
-
     let offset = params.offset.unwrap_or(0);
     let limit = params.limit.unwrap_or(20);
-
+    let index_uid = &path.index_uid;
     let reader = data.db.main_read_txn()?;
-    let documents_ids: Result<BTreeSet<_>, _> = index
-        .documents_fields_counts
-        .documents_ids(&reader)?
-        .skip(offset)
-        .take(limit)
-        .collect();
-
-    let attributes: Option<HashSet<&str>> = params
-        .attributes_to_retrieve
-        .as_ref()
-        .map(|a| a.split(',').collect());
-
-    let mut documents = Vec::new();
-    for document_id in documents_ids? {
-        if let Ok(Some(document)) =
-            index.document::<Document>(&reader, attributes.as_ref(), document_id)
-        {
-            documents.push(document);
-        }
-    }
+    
+    let documents = get_all_documents_sync(
+        &data,
+        &reader,
+        index_uid,
+        offset,
+        limit,
+        params.attributes_to_retrieve.as_ref()
+    )?;
 
     Ok(HttpResponse::Ok().json(documents))
 }
@@ -146,47 +167,41 @@ async fn update_multiple_documents(
     body: web::Json<Vec<Document>>,
     is_partial: bool,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let reader = data.db.main_read_txn()?;
 
-    let reader = data.db.main_read_txn()?;
+        let mut schema = index
+            .main
+            .schema(&reader)?
+            .ok_or(meilisearch_core::Error::SchemaMissing)?;
 
-    let mut schema = index
-        .main
-        .schema(&reader)?
-        .ok_or(meilisearch_core::Error::SchemaMissing)?;
+        if schema.primary_key().is_none() {
+            let id = match &params.primary_key {
+                Some(id) => id.to_string(),
+                None => body
+                    .first()
+                    .and_then(find_primary_key)
+                    .ok_or(meilisearch_core::Error::MissingPrimaryKey)?,
+            };
 
-    if schema.primary_key().is_none() {
-        let id = match &params.primary_key {
-            Some(id) => id.to_string(),
-            None => body
-                .first()
-                .and_then(find_primary_key)
-                .ok_or(meilisearch_core::Error::MissingPrimaryKey)?
+            schema.set_primary_key(&id).map_err(Error::bad_request)?;
+
+            data.db.main_write(|w| index.main.put_schema(w, &schema))?;
+        }
+
+        let mut document_addition = if is_partial {
+            index.documents_partial_addition()
+        } else {
+            index.documents_addition()
         };
 
-        schema
-            .set_primary_key(&id)
-            .map_err(Error::bad_request)?;
+        for document in body.into_inner() {
+            document_addition.update_document(document);
+        }
 
-        data.db.main_write(|w| index.main.put_schema(w, &schema))?;
-    }
-
-    let mut document_addition = if is_partial {
-        index.documents_partial_addition()
-    } else {
-        index.documents_addition()
-    };
-
-    for document in body.into_inner() {
-        document_addition.update_document(document);
-    }
-
-    let update_id = data.db.update_write(|w| document_addition.finalize(w))?;
-
-    Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
+        Ok(data.db.update_write(|w| document_addition.finalize(w))?)
+    })?;
+    return Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)));
 }
 
 #[post("/indexes/{index_uid}/documents", wrap = "Authentication::Private")]
@@ -223,7 +238,6 @@ async fn delete_documents(
         .open_index(&path.index_uid)
         .ok_or(Error::index_not_found(&path.index_uid))?;
 
-
     let mut documents_deletion = index.documents_deletion();
 
     for document_id in body.into_inner() {

meilisearch-http/src/routes/dump.rs

@@ -0,0 +1,64 @@
+use std::fs::File;
+use std::path::Path;
+
+use actix_web::{get, post};
+use actix_web::{HttpResponse, web};
+use serde::{Deserialize, Serialize};
+
+use crate::dump::{DumpInfo, DumpStatus, compressed_dumps_dir, init_dump_process};
+use crate::Data;
+use crate::error::{Error, ResponseError};
+use crate::helpers::Authentication;
+
+pub fn services(cfg: &mut web::ServiceConfig) {
+    cfg.service(trigger_dump)
+        .service(get_dump_status);
+}
+
+#[post("/dumps", wrap = "Authentication::Private")]
+async fn trigger_dump(
+    data: web::Data<Data>,
+) -> Result<HttpResponse, ResponseError> {
+    let dumps_dir = Path::new(&data.dumps_dir);
+    match init_dump_process(&data, &dumps_dir) {
+        Ok(resume) => Ok(HttpResponse::Accepted().json(resume)),
+        Err(e) => Err(e.into())
+    }
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct DumpStatusResponse {
+    status: String,
+}
+
+#[derive(Deserialize)]
+struct DumpParam {
+    dump_uid: String,
+}
+
+#[get("/dumps/{dump_uid}/status", wrap = "Authentication::Private")]
+async fn get_dump_status(
+    data: web::Data<Data>,
+    path: web::Path<DumpParam>,
+) -> Result<HttpResponse, ResponseError> {
+    let dumps_dir = Path::new(&data.dumps_dir);
+    let dump_uid = &path.dump_uid;
+
+    if let Some(resume) = data.get_current_dump_info() {
+        if &resume.uid == dump_uid {
+            return Ok(HttpResponse::Ok().json(resume));
+        }
+    }
+
+    if File::open(compressed_dumps_dir(Path::new(dumps_dir), dump_uid)).is_ok() {
+        let resume = DumpInfo::new(
+            dump_uid.into(),
+            DumpStatus::Done
+        );
+
+        Ok(HttpResponse::Ok().json(resume))
+    } else {
+        Err(Error::not_found("dump does not exist").into())
+    }
+}

meilisearch-http/src/routes/health.rs

@@ -1,47 +1,13 @@
+use actix_web::get;
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{get, put};
-use serde::Deserialize;
 
-use crate::error::{Error, ResponseError};
-use crate::helpers::Authentication;
-use crate::Data;
+use crate::error::ResponseError;
 
 pub fn services(cfg: &mut web::ServiceConfig) {
-    cfg.service(get_health).service(change_healthyness);
+    cfg.service(get_health);
 }
 
 #[get("/health")]
-async fn get_health(data: web::Data<Data>) -> Result<HttpResponse, ResponseError> {
-    let reader = data.db.main_read_txn()?;
-    if let Ok(Some(_)) = data.db.get_health(&reader) {
-        return Err(Error::Maintenance.into());
-    }
-    Ok(HttpResponse::Ok().finish())
-}
-
-async fn set_healthy(data: web::Data<Data>) -> Result<HttpResponse, ResponseError> {
-    data.db.main_write(|w| data.db.set_healthy(w))?;
-    Ok(HttpResponse::Ok().finish())
-}
-
-async fn set_unhealthy(data: web::Data<Data>) -> Result<HttpResponse, ResponseError> {
-    data.db.main_write(|w| data.db.set_unhealthy(w))?;
-    Ok(HttpResponse::Ok().finish())
-}
-
-#[derive(Deserialize, Clone)]
-struct HealthBody {
-    health: bool,
-}
-
-#[put("/health", wrap = "Authentication::Private")]
-async fn change_healthyness(
-    data: web::Data<Data>,
-    body: web::Json<HealthBody>,
-) -> Result<HttpResponse, ResponseError> {
-    if body.health {
-        set_healthy(data).await
-    } else {
-        set_unhealthy(data).await
-    }
+async fn get_health() -> Result<HttpResponse, ResponseError> {
+    Ok(HttpResponse::NoContent().finish())
 }

meilisearch-http/src/routes/index.rs

@@ -1,14 +1,16 @@
+use actix_web::{delete, get, post, put};
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{delete, get, post, put};
 use chrono::{DateTime, Utc};
 use log::error;
+use meilisearch_core::{Database, MainReader, UpdateReader};
+use meilisearch_core::update::UpdateStatus;
 use rand::seq::SliceRandom;
 use serde::{Deserialize, Serialize};
 
+use crate::Data;
 use crate::error::{Error, ResponseError};
 use crate::helpers::Authentication;
 use crate::routes::IndexParam;
-use crate::Data;
 
 pub fn services(cfg: &mut web::ServiceConfig) {
     cfg.service(list_indexes)
@@ -29,19 +31,17 @@ fn generate_uid() -> String {
         .collect()
 }
 
-#[derive(Debug, Serialize)]
+#[derive(Debug, Serialize, Deserialize, Clone)]
 #[serde(rename_all = "camelCase")]
-struct IndexResponse {
-    name: String,
-    uid: String,
+pub struct IndexResponse {
+    pub name: String,
+    pub uid: String,
     created_at: DateTime<Utc>,
     updated_at: DateTime<Utc>,
-    primary_key: Option<String>,
+    pub primary_key: Option<String>,
 }
 
-#[get("/indexes", wrap = "Authentication::Private")]
-async fn list_indexes(data: web::Data<Data>) -> Result<HttpResponse, ResponseError> {
-    let reader = data.db.main_read_txn()?;
+pub fn list_indexes_sync(data: &web::Data<Data>, reader: &MainReader) -> Result<Vec<IndexResponse>, ResponseError> {
     let mut indexes = Vec::new();
 
     for index_uid in data.db.indexes_uids() {
@@ -49,23 +49,23 @@ async fn list_indexes(data: web::Data<Data>) -> Result<HttpResponse, ResponseErr
 
         match index {
             Some(index) => {
-                let name = index.main.name(&reader)?.ok_or(Error::internal(
+                let name = index.main.name(reader)?.ok_or(Error::internal(
                         "Impossible to get the name of an index",
                 ))?;
                 let created_at = index
                     .main
-                    .created_at(&reader)?
+                    .created_at(reader)?
                     .ok_or(Error::internal(
                             "Impossible to get the create date of an index",
                     ))?;
                 let updated_at = index
                     .main
-                    .updated_at(&reader)?
+                    .updated_at(reader)?
                     .ok_or(Error::internal(
                             "Impossible to get the last update date of an index",
                     ))?;
 
-                let primary_key = match index.main.schema(&reader) {
+                let primary_key = match index.main.schema(reader) {
                     Ok(Some(schema)) => match schema.primary_key() {
                         Some(primary_key) => Some(primary_key.to_owned()),
                         None => None,
@@ -89,6 +89,14 @@ async fn list_indexes(data: web::Data<Data>) -> Result<HttpResponse, ResponseErr
         }
     }
 
+    Ok(indexes)
+}
+
+#[get("/indexes", wrap = "Authentication::Private")]
+async fn list_indexes(data: web::Data<Data>) -> Result<HttpResponse, ResponseError> {
+    let reader = data.db.main_read_txn()?;
+    let indexes = list_indexes_sync(&data, &reader)?;
+
     Ok(HttpResponse::Ok().json(indexes))
 }
 
@@ -145,6 +153,55 @@ struct IndexCreateRequest {
     primary_key: Option<String>,
 }
 
+
+pub fn create_index_sync(
+    database: &std::sync::Arc<Database>,
+    uid: String,
+    name: String,
+    primary_key: Option<String>,
+) -> Result<IndexResponse, Error> {
+
+    let created_index = database
+        .create_index(&uid)
+        .map_err(|e| match e {
+            meilisearch_core::Error::IndexAlreadyExists => Error::IndexAlreadyExists(uid.clone()),
+            _ => Error::create_index(e)
+    })?;
+
+    let index_response = database.main_write::<_, _, Error>(|mut write_txn| {
+        created_index.main.put_name(&mut write_txn, &name)?;
+
+        let created_at = created_index
+            .main
+            .created_at(&write_txn)?
+            .ok_or(Error::internal("Impossible to read created at"))?;
+    
+        let updated_at = created_index
+            .main
+            .updated_at(&write_txn)?
+            .ok_or(Error::internal("Impossible to read updated at"))?;
+    
+        if let Some(id) = primary_key.clone() {
+            if let Some(mut schema) = created_index.main.schema(&write_txn)? {
+                schema
+                    .set_primary_key(&id)
+                    .map_err(Error::bad_request)?;
+                created_index.main.put_schema(&mut write_txn, &schema)?;
+            }
+        }
+        let index_response = IndexResponse {
+            name,
+            uid,
+            created_at,
+            updated_at,
+            primary_key,
+        };
+        Ok(index_response)
+    })?;
+
+    Ok(index_response)
+}
+
 #[post("/indexes", wrap = "Authentication::Private")]
 async fn create_index(
     data: web::Data<Data>,
@@ -175,45 +232,9 @@ async fn create_index(
         },
     };
 
-    let created_index = data
-        .db
-        .create_index(&uid)
-        .map_err(|e| match e {
-            meilisearch_core::Error::IndexAlreadyExists => e.into(),
-            _ => ResponseError::from(Error::create_index(e))
-        })?;
+    let name = body.name.as_ref().unwrap_or(&uid).to_string();
 
-    let index_response = data.db.main_write::<_, _, ResponseError>(|mut writer| {
-        let name = body.name.as_ref().unwrap_or(&uid);
-        created_index.main.put_name(&mut writer, name)?;
-
-        let created_at = created_index
-            .main
-            .created_at(&writer)?
-            .ok_or(Error::internal("Impossible to read created at"))?;
-
-        let updated_at = created_index
-            .main
-            .updated_at(&writer)?
-            .ok_or(Error::internal("Impossible to read updated at"))?;
-
-        if let Some(id) = body.primary_key.clone() {
-            if let Some(mut schema) = created_index.main.schema(&writer)? {
-                schema
-                    .set_primary_key(&id)
-                    .map_err(Error::bad_request)?;
-                created_index.main.put_schema(&mut writer, &schema)?;
-            }
-        }
-        let index_response = IndexResponse {
-            name: name.to_string(),
-            uid,
-            created_at,
-            updated_at,
-            primary_key: body.primary_key.clone(),
-        };
-        Ok(index_response)
-    })?;
+    let index_response = create_index_sync(&data.db, uid, name, body.primary_key.clone())?;
 
     Ok(HttpResponse::Created().json(index_response))
 }
@@ -340,20 +361,28 @@ async fn get_update_status(
         )).into()),
     }
 }
+pub fn get_all_updates_status_sync(
+    data: &web::Data<Data>,
+    reader: &UpdateReader,
+    index_uid: &str,
+) -> Result<Vec<UpdateStatus>, Error> {
+    let index = data
+        .db
+        .open_index(index_uid)
+        .ok_or(Error::index_not_found(index_uid))?;
+
+    Ok(index.all_updates_status(reader)?)
+}
 
 #[get("/indexes/{index_uid}/updates", wrap = "Authentication::Private")]
 async fn get_all_updates_status(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
 
     let reader = data.db.update_read_txn()?;
 
-    let response = index.all_updates_status(&reader)?;
+    let response = get_all_updates_status_sync(&data, &reader, &path.index_uid)?;
 
     Ok(HttpResponse::Ok().json(response))
 }

meilisearch-http/src/routes/key.rs

@@ -1,6 +1,6 @@
 use actix_web::web;
 use actix_web::HttpResponse;
-use actix_web_macros::get;
+use actix_web::get;
 use serde::Serialize;
 
 use crate::helpers::Authentication;

meilisearch-http/src/routes/mod.rs

@@ -10,6 +10,7 @@ pub mod setting;
 pub mod stats;
 pub mod stop_words;
 pub mod synonym;
+pub mod dump;
 
 #[derive(Deserialize)]
 pub struct IndexParam {

meilisearch-http/src/routes/search.rs

@@ -1,9 +1,7 @@
-use std::collections::{HashSet, HashMap};
+use std::collections::{HashMap, HashSet, BTreeSet};
 
+use actix_web::{get, post, web, HttpResponse};
 use log::warn;
-use actix_web::web;
-use actix_web::HttpResponse;
-use actix_web_macros::{get, post};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 
@@ -14,11 +12,10 @@ use crate::routes::IndexParam;
 use crate::Data;
 
 use meilisearch_core::facets::FacetFilter;
-use meilisearch_schema::{Schema, FieldId};
+use meilisearch_schema::{FieldId, Schema};
 
 pub fn services(cfg: &mut web::ServiceConfig) {
-    cfg.service(search_with_post)
-        .service(search_with_url_query);
+    cfg.service(search_with_post).service(search_with_url_query);
 }
 
 #[derive(Serialize, Deserialize)]
@@ -93,7 +90,11 @@ async fn search_with_post(
 }
 
 impl SearchQuery {
-    fn search(&self, index_uid: &str, data: web::Data<Data>) -> Result<SearchResult, ResponseError> {
+    fn search(
+        &self,
+        index_uid: &str,
+        data: web::Data<Data>,
+    ) -> Result<SearchResult, ResponseError> {
         let index = data
             .db
             .open_index(index_uid)
@@ -105,7 +106,12 @@ impl SearchQuery {
             .schema(&reader)?
             .ok_or(Error::internal("Impossible to retrieve the schema"))?;
 
-        let mut search_builder = index.new_search(self.q.clone());
+        let query = self
+            .q
+            .clone()
+            .and_then(|q| if q.is_empty() { None } else { Some(q) });
+
+        let mut search_builder = index.new_search(query);
 
         if let Some(offset) = self.offset {
             search_builder.offset(offset);
@@ -114,33 +120,42 @@ impl SearchQuery {
             search_builder.limit(limit);
         }
 
-        let available_attributes = schema.displayed_name();
-        let mut restricted_attributes: HashSet<&str>;
+        let available_attributes = schema.displayed_names();
+        let mut restricted_attributes: BTreeSet<&str>;
         match &self.attributes_to_retrieve {
             Some(attributes_to_retrieve) => {
-                let attributes_to_retrieve: HashSet<&str> = attributes_to_retrieve.split(',').collect();
+                let attributes_to_retrieve: HashSet<&str> =
+                    attributes_to_retrieve.split(',').collect();
                 if attributes_to_retrieve.contains("*") {
                     restricted_attributes = available_attributes.clone();
                 } else {
-                    restricted_attributes = HashSet::new();
+                    restricted_attributes = BTreeSet::new();
+                    search_builder.attributes_to_retrieve(HashSet::new());
                     for attr in attributes_to_retrieve {
                         if available_attributes.contains(attr) {
                             restricted_attributes.insert(attr);
                             search_builder.add_retrievable_field(attr.to_string());
                         } else {
-                            warn!("The attributes {:?} present in attributesToCrop parameter doesn't exist", attr);
+                            warn!("The attributes {:?} present in attributesToRetrieve parameter doesn't exist", attr);
                         }
                     }
                 }
-            },
+            }
             None => {
                 restricted_attributes = available_attributes.clone();
             }
         }
 
         if let Some(ref facet_filters) = self.facet_filters {
-            let attrs = index.main.attributes_for_faceting(&reader)?.unwrap_or_default();
-            search_builder.add_facet_filters(FacetFilter::from_str(facet_filters, &schema, &attrs)?);
+            let attrs = index
+                .main
+                .attributes_for_faceting(&reader)?
+                .unwrap_or_default();
+            search_builder.add_facet_filters(FacetFilter::from_str(
+                facet_filters,
+                &schema,
+                &attrs,
+            )?);
         }
 
         if let Some(facets) = &self.facets_distribution {
@@ -148,7 +163,7 @@ impl SearchQuery {
                 Some(ref attrs) => {
                     let field_ids = prepare_facet_list(&facets, &schema, attrs)?;
                     search_builder.add_facets(field_ids);
-                },
+                }
                 None => return Err(FacetCountError::NoFacetSet.into()),
             }
         }
@@ -160,20 +175,23 @@ impl SearchQuery {
             for attribute in attributes_to_crop.split(',') {
                 let mut attribute = attribute.split(':');
                 let attr = attribute.next();
-                let length = attribute.next().and_then(|s| s.parse().ok()).unwrap_or(default_length);
+                let length = attribute
+                    .next()
+                    .and_then(|s| s.parse().ok())
+                    .unwrap_or(default_length);
                 match attr {
                     Some("*") => {
                         for attr in &restricted_attributes {
                             final_attributes.insert(attr.to_string(), length);
                         }
-                    },
+                    }
                     Some(attr) => {
                         if available_attributes.contains(attr) {
                             final_attributes.insert(attr.to_string(), length);
                         } else {
                             warn!("The attributes {:?} present in attributesToCrop parameter doesn't exist", attr);
                         }
-                    },
+                    }
                     None => (),
                 }
             }
@@ -215,7 +233,11 @@ impl SearchQuery {
 ///
 /// An error is returned if the array is malformed, or if it contains attributes that are
 /// unexisting, or not set as facets.
-fn prepare_facet_list(facets: &str, schema: &Schema, facet_attrs: &[FieldId]) -> Result<Vec<(FieldId, String)>, FacetCountError> {
+fn prepare_facet_list(
+    facets: &str,
+    schema: &Schema,
+    facet_attrs: &[FieldId],
+) -> Result<Vec<(FieldId, String)>, FacetCountError> {
     let json_array = serde_json::from_str(facets)?;
     match json_array {
         Value::Array(vals) => {
@@ -243,6 +265,6 @@ fn prepare_facet_list(facets: &str, schema: &Schema, facet_attrs: &[FieldId]) ->
             }
             Ok(field_ids)
         }
-        bad_val => Err(FacetCountError::unexpected_token(bad_val, &["[String]"]))
+        bad_val => Err(FacetCountError::unexpected_token(bad_val, &["[String]"])),
     }
 }

meilisearch-http/src/routes/setting.rs

@@ -1,13 +1,15 @@
+use std::collections::{BTreeMap, BTreeSet};
+
+use actix_web::{delete, get, post};
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{delete, get, post};
+use meilisearch_core::{MainReader, UpdateWriter};
 use meilisearch_core::settings::{Settings, SettingsUpdate, UpdateState, DEFAULT_RANKING_RULES};
 use meilisearch_schema::Schema;
-use std::collections::{BTreeMap, BTreeSet, HashSet};
 
+use crate::Data;
 use crate::error::{Error, ResponseError};
 use crate::helpers::Authentication;
 use crate::routes::{IndexParam, IndexUpdateResponse};
-use crate::Data;
 
 pub fn services(cfg: &mut web::ServiceConfig) {
     cfg.service(update_all)
@@ -30,87 +32,83 @@ pub fn services(cfg: &mut web::ServiceConfig) {
         .service(update_attributes_for_faceting);
 }
 
+pub fn update_all_settings_txn(
+    data: &web::Data<Data>,
+    settings: SettingsUpdate,
+    index_uid: &str,
+    write_txn: &mut UpdateWriter,
+) -> Result<u64, Error> {
+    let index = data
+        .db
+        .open_index(index_uid)
+        .ok_or(Error::index_not_found(index_uid))?;
+
+    let update_id = index.settings_update(write_txn, settings)?;
+    Ok(update_id)
+}
+
 #[post("/indexes/{index_uid}/settings", wrap = "Authentication::Private")]
 async fn update_all(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
     body: web::Json<Settings>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
-
-    let update_id = data.db.update_write::<_, _, ResponseError>(|writer| {
-        let settings = body
-            .into_inner()
-            .to_update()
-            .map_err(Error::bad_request)?;
-        let update_id = index.settings_update(writer, settings)?;
-        Ok(update_id)
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        Ok(data.db.update_write::<_, _, ResponseError>(|writer| {
+            let settings = body.into_inner().to_update().map_err(Error::bad_request)?;
+            let update_id = index.settings_update(writer, settings)?;
+            Ok(update_id)
+        })?)
     })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
 
-#[get("/indexes/{index_uid}/settings", wrap = "Authentication::Private")]
-async fn get_all(
-    data: web::Data<Data>,
-    path: web::Path<IndexParam>,
-) -> Result<HttpResponse, ResponseError> {
+pub fn get_all_sync(data: &web::Data<Data>, reader: &MainReader, index_uid: &str) -> Result<Settings, Error> {
     let index = data
         .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+        .open_index(index_uid)
+        .ok_or(Error::index_not_found(index_uid))?;
 
-    let reader = data.db.main_read_txn()?;
+    let stop_words: BTreeSet<String> = index.main.stop_words(&reader)?.into_iter().collect();
 
-    let stop_words: BTreeSet<String> = index
-        .main
-        .stop_words(&reader)?
-        .into_iter()
-        .collect();
-
-    let synonyms_list = index.main.synonyms(&reader)?;
+    let synonyms_list = index.main.synonyms(reader)?;
 
     let mut synonyms = BTreeMap::new();
     let index_synonyms = &index.synonyms;
     for synonym in synonyms_list {
-        let list = index_synonyms.synonyms(&reader, synonym.as_bytes())?;
+        let list = index_synonyms.synonyms(reader, synonym.as_bytes())?;
         synonyms.insert(synonym, list);
     }
 
     let ranking_rules = index
         .main
-        .ranking_rules(&reader)?
+        .ranking_rules(reader)?
         .unwrap_or(DEFAULT_RANKING_RULES.to_vec())
         .into_iter()
         .map(|r| r.to_string())
         .collect();
 
-
     let schema = index.main.schema(&reader)?;
 
-    let distinct_attribute = match (index.main.distinct_attribute(&reader)?, &schema) {
+    let distinct_attribute = match (index.main.distinct_attribute(reader)?, &schema) {
         (Some(id), Some(schema)) => schema.name(id).map(str::to_string),
         _ => None,
     };
 
     let attributes_for_faceting = match (&schema, &index.main.attributes_for_faceting(&reader)?) {
-        (Some(schema), Some(attrs)) => {
-            attrs
-                .iter()
-                .filter_map(|&id| schema.name(id))
-                .map(str::to_string)
-                .collect()
-        }
+        (Some(schema), Some(attrs)) => attrs
+            .iter()
+            .filter_map(|&id| schema.name(id))
+            .map(str::to_string)
+            .collect(),
         _ => vec![],
     };
 
     let searchable_attributes = schema.as_ref().map(get_indexed_attributes);
     let displayed_attributes = schema.as_ref().map(get_displayed_attributes);
 
-    let settings = Settings {
+    Ok(Settings {
         ranking_rules: Some(Some(ranking_rules)),
         distinct_attribute: Some(distinct_attribute),
         searchable_attributes: Some(searchable_attributes),
@@ -118,7 +116,16 @@ async fn get_all(
         stop_words: Some(Some(stop_words)),
         synonyms: Some(Some(synonyms)),
         attributes_for_faceting: Some(Some(attributes_for_faceting)),
-    };
+    })
+}
+
+#[get("/indexes/{index_uid}/settings", wrap = "Authentication::Private")]
+async fn get_all(
+    data: web::Data<Data>,
+    path: web::Path<IndexParam>,
+) -> Result<HttpResponse, ResponseError> {
+    let reader = data.db.main_read_txn()?;
+    let settings = get_all_sync(&data, &reader, &path.index_uid)?;
 
     Ok(HttpResponse::Ok().json(settings))
 }
@@ -144,7 +151,9 @@ async fn delete_all(
         attributes_for_faceting: UpdateState::Clear,
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -183,18 +192,17 @@ async fn update_rules(
     path: web::Path<IndexParam>,
     body: web::Json<Option<Vec<String>>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = Settings {
+            ranking_rules: Some(body.into_inner()),
+            ..Settings::default()
+        };
 
-    let settings = Settings {
-        ranking_rules: Some(body.into_inner()),
-        ..Settings::default()
-    };
-
-    let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        let settings = settings.to_update().map_err(Error::bad_request)?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -217,7 +225,9 @@ async fn delete_rules(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -254,18 +264,17 @@ async fn update_distinct(
     path: web::Path<IndexParam>,
     body: web::Json<Option<String>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = Settings {
+            distinct_attribute: Some(body.into_inner()),
+            ..Settings::default()
+        };
 
-    let settings = Settings {
-        distinct_attribute: Some(body.into_inner()),
-        ..Settings::default()
-    };
-
-    let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        let settings = settings.to_update().map_err(Error::bad_request)?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -288,7 +297,9 @@ async fn delete_distinct(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -307,8 +318,7 @@ async fn get_searchable(
         .ok_or(Error::index_not_found(&path.index_uid))?;
     let reader = data.db.main_read_txn()?;
     let schema = index.main.schema(&reader)?;
-    let searchable_attributes: Option<Vec<String>> =
-        schema.as_ref().map(get_indexed_attributes);
+    let searchable_attributes: Option<Vec<String>> = schema.as_ref().map(get_indexed_attributes);
 
     Ok(HttpResponse::Ok().json(searchable_attributes))
 }
@@ -322,19 +332,18 @@ async fn update_searchable(
     path: web::Path<IndexParam>,
     body: web::Json<Option<Vec<String>>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = Settings {
+            searchable_attributes: Some(body.into_inner()),
+            ..Settings::default()
+        };
 
-    let settings = Settings {
-        searchable_attributes: Some(body.into_inner()),
-        ..Settings::default()
-    };
+        let settings = settings.to_update().map_err(Error::bad_request)?;
 
-    let settings = settings.to_update().map_err(Error::bad_request)?;
-
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -357,7 +366,9 @@ async fn delete_searchable(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -390,20 +401,19 @@ async fn get_displayed(
 async fn update_displayed(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
-    body: web::Json<Option<HashSet<String>>>,
+    body: web::Json<Option<BTreeSet<String>>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = Settings {
+            displayed_attributes: Some(body.into_inner()),
+            ..Settings::default()
+        };
 
-    let settings = Settings {
-        displayed_attributes: Some(body.into_inner()),
-        ..Settings::default()
-    };
-
-    let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        let settings = settings.to_update().map_err(Error::bad_request)?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -426,7 +436,9 @@ async fn delete_displayed(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -444,20 +456,16 @@ async fn get_attributes_for_faceting(
         .open_index(&path.index_uid)
         .ok_or(Error::index_not_found(&path.index_uid))?;
 
-    let attributes_for_faceting = data
-        .db
-        .main_read::<_, _, ResponseError>(|reader| {
+    let attributes_for_faceting = data.db.main_read::<_, _, ResponseError>(|reader| {
         let schema = index.main.schema(reader)?;
         let attrs = index.main.attributes_for_faceting(reader)?;
         let attr_names = match (&schema, &attrs) {
-            (Some(schema), Some(attrs)) => {
-                attrs
-                    .iter()
-                    .filter_map(|&id| schema.name(id))
-                    .map(str::to_string)
-                    .collect()
-            }
-            _ => vec![]
+            (Some(schema), Some(attrs)) => attrs
+                .iter()
+                .filter_map(|&id| schema.name(id))
+                .map(str::to_string)
+                .collect(),
+            _ => vec![],
         };
         Ok(attr_names)
     })?;
@@ -474,18 +482,17 @@ async fn update_attributes_for_faceting(
     path: web::Path<IndexParam>,
     body: web::Json<Option<Vec<String>>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = Settings {
+            attributes_for_faceting: Some(body.into_inner()),
+            ..Settings::default()
+        };
 
-    let settings = Settings {
-        attributes_for_faceting: Some(body.into_inner()),
-        ..Settings::default()
-    };
-
-    let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        let settings = settings.to_update().map_err(Error::bad_request)?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -508,27 +515,31 @@ async fn delete_attributes_for_faceting(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
 
 fn get_indexed_attributes(schema: &Schema) -> Vec<String> {
-    if schema.is_indexed_all() {
-        ["*"].iter().map(|s| s.to_string()).collect()
+    if schema.is_searchable_all() {
+        vec!["*".to_string()]
     } else {
-        schema.indexed_name()
+        schema
+            .searchable_names()
             .iter()
             .map(|s| s.to_string())
             .collect()
     }
 }
 
-fn get_displayed_attributes(schema: &Schema) -> HashSet<String> {
+fn get_displayed_attributes(schema: &Schema) -> BTreeSet<String> {
     if schema.is_displayed_all() {
         ["*"].iter().map(|s| s.to_string()).collect()
     } else {
-        schema.displayed_name()
+        schema
+            .displayed_names()
             .iter()
             .map(|s| s.to_string())
             .collect()

meilisearch-http/src/routes/stats.rs

@@ -1,8 +1,8 @@
-use std::collections::HashMap;
+use std::collections::{HashMap, BTreeMap};
 
 use actix_web::web;
 use actix_web::HttpResponse;
-use actix_web_macros::get;
+use actix_web::get;
 use chrono::{DateTime, Utc};
 use log::error;
 use serde::Serialize;
@@ -24,7 +24,7 @@ pub fn services(cfg: &mut web::ServiceConfig) {
 struct IndexStatsResponse {
     number_of_documents: u64,
     is_indexing: bool,
-    fields_distribution: HashMap<String, usize>,
+    fields_distribution: BTreeMap<String, usize>,
 }
 
 #[get("/indexes/{index_uid}/stats", wrap = "Authentication::Private")]

meilisearch-http/src/routes/stop_words.rs

@@ -1,5 +1,5 @@
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{delete, get, post};
+use actix_web::{delete, get, post};
 use meilisearch_core::settings::{SettingsUpdate, UpdateState};
 use std::collections::BTreeSet;
 
@@ -39,17 +39,16 @@ async fn update(
     path: web::Path<IndexParam>,
     body: web::Json<BTreeSet<String>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = SettingsUpdate {
+            stop_words: UpdateState::Update(body.into_inner()),
+            ..SettingsUpdate::default()
+        };
 
-    let settings = SettingsUpdate {
-        stop_words: UpdateState::Update(body.into_inner()),
-        ..SettingsUpdate::default()
-    };
-
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -72,7 +71,9 @@ async fn delete(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }

meilisearch-http/src/routes/synonym.rs

@@ -1,7 +1,7 @@
 use std::collections::BTreeMap;
 
 use actix_web::{web, HttpResponse};
-use actix_web_macros::{delete, get, post};
+use actix_web::{delete, get, post};
 use indexmap::IndexMap;
 use meilisearch_core::settings::{SettingsUpdate, UpdateState};
 
@@ -50,17 +50,16 @@ async fn update(
     path: web::Path<IndexParam>,
     body: web::Json<BTreeMap<String, Vec<String>>>,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))?;
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
+        let settings = SettingsUpdate {
+            synonyms: UpdateState::Update(body.into_inner()),
+            ..SettingsUpdate::default()
+        };
 
-    let settings = SettingsUpdate {
-        synonyms: UpdateState::Update(body.into_inner()),
-        ..SettingsUpdate::default()
-    };
-
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+        Ok(data
+            .db
+            .update_write(|w| index.settings_update(w, settings))?)
+    })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -83,7 +82,9 @@ async fn delete(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }

meilisearch-http/src/snapshot.rs

@@ -0,0 +1,96 @@
+use crate::Data;
+use crate::error::Error;
+use crate::helpers::compression;
+
+use log::error;
+use std::fs::create_dir_all;
+use std::path::Path;
+use std::thread;
+use std::time::{Duration};
+use tempfile::TempDir;
+
+pub fn load_snapshot(
+    db_path: &str,
+    snapshot_path: &Path,
+    ignore_snapshot_if_db_exists: bool,
+    ignore_missing_snapshot: bool
+) -> Result<(), Error> {
+    let db_path = Path::new(db_path);
+
+    if !db_path.exists() && snapshot_path.exists() {
+        compression::from_tar_gz(snapshot_path, db_path)
+    } else if db_path.exists() && !ignore_snapshot_if_db_exists {
+        Err(Error::Internal(format!("database already exists at {:?}, try to delete it or rename it", db_path.canonicalize().unwrap_or(db_path.into()))))
+    } else if !snapshot_path.exists() && !ignore_missing_snapshot {
+        Err(Error::Internal(format!("snapshot doesn't exist at {:?}", snapshot_path.canonicalize().unwrap_or(snapshot_path.into()))))
+    } else {
+        Ok(())
+    }
+}
+
+pub fn create_snapshot(data: &Data, snapshot_path: &Path) -> Result<(), Error> {
+    let tmp_dir = TempDir::new()?;
+
+    data.db.copy_and_compact_to_path(tmp_dir.path())?;
+
+    compression::to_tar_gz(tmp_dir.path(), snapshot_path).map_err(|e| Error::Internal(format!("something went wrong during snapshot compression: {}", e)))
+}
+
+pub fn schedule_snapshot(data: Data, snapshot_dir: &Path, time_gap_s: u64) -> Result<(), Error> {
+    if snapshot_dir.file_name().is_none() { 
+        return Err(Error::Internal("invalid snapshot file path".to_string()));
+    }
+    let db_name = Path::new(&data.db_path).file_name().ok_or_else(|| Error::Internal("invalid database name".to_string()))?;
+    create_dir_all(snapshot_dir)?;
+    let snapshot_path = snapshot_dir.join(format!("{}.snapshot", db_name.to_str().unwrap_or("data.ms")));
+    
+    thread::spawn(move || loop { 
+        if let Err(e) = create_snapshot(&data, &snapshot_path) {
+            error!("Unsuccessful snapshot creation: {}", e);
+        }
+        thread::sleep(Duration::from_secs(time_gap_s));
+    });
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::io::prelude::*;
+    use std::fs;
+
+    #[test]
+    fn test_pack_unpack() {
+        let tempdir = TempDir::new().unwrap();
+
+        let test_dir = tempdir.path();
+        let src_dir = test_dir.join("src");
+        let dest_dir = test_dir.join("complex/destination/path/");
+        let archive_path = test_dir.join("archive.snapshot");
+
+        let file_1_relative = Path::new("file1.txt");
+        let subdir_relative = Path::new("subdir/");
+        let file_2_relative = Path::new("subdir/file2.txt");
+        
+        create_dir_all(src_dir.join(subdir_relative)).unwrap();
+        fs::File::create(src_dir.join(file_1_relative)).unwrap().write_all(b"Hello_file_1").unwrap();
+        fs::File::create(src_dir.join(file_2_relative)).unwrap().write_all(b"Hello_file_2").unwrap();
+
+        
+        assert!(compression::to_tar_gz(&src_dir, &archive_path).is_ok());
+        assert!(archive_path.exists());
+        assert!(load_snapshot(&dest_dir.to_str().unwrap(), &archive_path, false, false).is_ok());
+
+        assert!(dest_dir.exists());
+        assert!(dest_dir.join(file_1_relative).exists());
+        assert!(dest_dir.join(subdir_relative).exists());
+        assert!(dest_dir.join(file_2_relative).exists());
+
+        let contents = fs::read_to_string(dest_dir.join(file_1_relative)).unwrap();
+        assert_eq!(contents, "Hello_file_1");
+    
+        let contents = fs::read_to_string(dest_dir.join(file_2_relative)).unwrap();
+        assert_eq!(contents, "Hello_file_2");
+    }
+}

meilisearch-http/tests/assets/dumps/v1/metadata.json

@@ -0,0 +1,12 @@
+{
+    "indices": [{
+            "uid": "test",
+            "primaryKey": "id"
+        }, {
+            "uid": "test2",
+            "primaryKey": "test2_id"
+        }
+    ],
+    "dbVersion": "0.13.0",
+    "dumpVersion": "1"
+}

meilisearch-http/tests/assets/dumps/v1/test/documents.jsonl

@@ -0,0 +1,77 @@
+{"id":0,"isActive":false,"balance":"$2,668.55","picture":"http://placehold.it/32x32","age":36,"color":"Green","name":"Lucas Hess","gender":"male","email":"lucashess@chorizon.com","phone":"+1 (998) 478-2597","address":"412 Losee Terrace, Blairstown, Georgia, 2825","about":"Mollit ad in exercitation quis. Anim est ut consequat fugiat duis magna aliquip velit nisi. Commodo eiusmod est consequat proident consectetur aliqua enim fugiat. Aliqua adipisicing laboris elit proident enim veniam laboris mollit. Incididunt fugiat minim ad nostrud deserunt tempor in. Id irure officia labore qui est labore nulla nisi. Magna sit quis tempor esse consectetur amet labore duis aliqua consequat.\r\n","registered":"2016-06-21T09:30:25 -02:00","latitude":-44.174957,"longitude":-145.725388,"tags":["bug","bug"]}
+{"id":1,"isActive":true,"balance":"$1,706.13","picture":"http://placehold.it/32x32","age":27,"color":"Green","name":"Cherry Orr","gender":"female","email":"cherryorr@chorizon.com","phone":"+1 (995) 479-3174","address":"442 Beverly Road, Ventress, New Mexico, 3361","about":"Exercitation officia mollit proident nostrud ea. Pariatur voluptate labore nostrud magna duis non elit et incididunt Lorem velit duis amet commodo. Irure in velit laboris pariatur. Do tempor ex deserunt duis minim amet.\r\n","registered":"2020-03-18T11:12:21 -01:00","latitude":-24.356932,"longitude":27.184808,"tags":["new issue","bug"]}
+{"id":2,"isActive":true,"balance":"$2,467.47","picture":"http://placehold.it/32x32","age":34,"color":"blue","name":"Patricia Goff","gender":"female","email":"patriciagoff@chorizon.com","phone":"+1 (864) 463-2277","address":"866 Hornell Loop, Cresaptown, Ohio, 1700","about":"Non culpa duis dolore Lorem aliqua. Labore veniam laborum cupidatat nostrud ea exercitation. Esse nostrud sit veniam laborum minim ullamco nulla aliqua est cillum magna. Duis non esse excepteur veniam voluptate sunt cupidatat nostrud consequat sint adipisicing ut excepteur. Incididunt sit aliquip non id magna amet deserunt esse quis dolor.\r\n","registered":"2014-10-28T12:59:30 -01:00","latitude":-64.008555,"longitude":11.867098,"tags":["good first issue"]}
+{"id":3,"isActive":true,"balance":"$3,344.40","picture":"http://placehold.it/32x32","age":35,"color":"blue","name":"Adeline Flynn","gender":"female","email":"adelineflynn@chorizon.com","phone":"+1 (994) 600-2840","address":"428 Paerdegat Avenue, Hollymead, Pennsylvania, 948","about":"Ex velit magna minim labore dolor id laborum incididunt. Proident dolor fugiat exercitation ad adipisicing amet dolore. Veniam nisi pariatur aute eu amet sint elit duis exercitation. Eu fugiat Lorem nostrud consequat aute sunt. Minim excepteur cillum laboris enim tempor adipisicing nulla reprehenderit ea velit Lorem qui in incididunt. Esse ipsum mollit deserunt ea exercitation ex aliqua anim magna cupidatat culpa.\r\n","registered":"2014-03-27T06:24:45 -01:00","latitude":-74.485173,"longitude":-11.059859,"tags":["bug","good first issue","wontfix","new issue"]}
+{"id":4,"isActive":false,"balance":"$2,575.78","picture":"http://placehold.it/32x32","age":39,"color":"Green","name":"Mariana Pacheco","gender":"female","email":"marianapacheco@chorizon.com","phone":"+1 (820) 414-2223","address":"664 Rapelye Street, Faywood, California, 7320","about":"Sint cillum enim eu Lorem dolore. Est excepteur cillum consequat incididunt. Ut consectetur et do culpa eiusmod ex ut id proident aliqua. Sunt dolor anim minim labore incididunt deserunt enim velit sunt ut in velit. Nulla ipsum cillum qui est minim officia in occaecat exercitation Lorem sunt. Aliqua minim excepteur tempor incididunt dolore. Quis amet ullamco et proident aliqua magna consequat.\r\n","registered":"2015-09-02T03:23:35 -02:00","latitude":75.763501,"longitude":-78.777124,"tags":["new issue"]}
+{"id":5,"isActive":true,"balance":"$3,793.09","picture":"http://placehold.it/32x32","age":20,"color":"Green","name":"Warren Watson","gender":"male","email":"warrenwatson@chorizon.com","phone":"+1 (807) 583-2427","address":"671 Prince Street, Faxon, Connecticut, 4275","about":"Cillum incididunt mollit labore ipsum elit ea. Lorem labore consectetur nulla ea fugiat sint esse cillum ea commodo id qui. Sint cillum mollit dolore enim quis esse. Nisi labore duis dolor tempor laborum laboris ad minim pariatur in excepteur sit. Aliqua anim amet sunt ullamco labore amet culpa irure esse eiusmod deserunt consequat Lorem nostrud.\r\n","registered":"2017-06-04T06:02:17 -02:00","latitude":29.979223,"longitude":25.358943,"tags":["wontfix","wontfix","wontfix"]}
+{"id":6,"isActive":true,"balance":"$2,919.70","picture":"http://placehold.it/32x32","age":20,"color":"blue","name":"Shelia Berry","gender":"female","email":"sheliaberry@chorizon.com","phone":"+1 (853) 511-2651","address":"437 Forrest Street, Coventry, Illinois, 2056","about":"Id occaecat qui voluptate proident culpa cillum nisi reprehenderit. Pariatur nostrud proident adipisicing reprehenderit eiusmod qui minim proident aliqua id cupidatat laboris deserunt. Proident sint laboris sit mollit dolor qui incididunt quis veniam cillum cupidatat ad nostrud ut. Aliquip consequat eiusmod eiusmod irure tempor do incididunt id culpa laboris eiusmod.\r\n","registered":"2018-07-11T02:45:01 -02:00","latitude":54.815991,"longitude":-118.690609,"tags":["good first issue","bug","wontfix","new issue"]}
+{"id":7,"isActive":true,"balance":"$1,349.50","picture":"http://placehold.it/32x32","age":28,"color":"Green","name":"Chrystal Boyd","gender":"female","email":"chrystalboyd@chorizon.com","phone":"+1 (936) 563-2802","address":"670 Croton Loop, Sussex, Florida, 4692","about":"Consequat ex voluptate consectetur laborum nulla. Qui voluptate Lorem amet labore est esse sunt. Nulla cupidatat consequat quis incididunt exercitation aliquip reprehenderit ea ea adipisicing reprehenderit id consectetur quis. Exercitation est incididunt ullamco non proident consequat. Nisi veniam aliquip fugiat voluptate ex id aute duis ullamco magna ipsum ad laborum ipsum. Cupidatat velit dolore esse nisi.\r\n","registered":"2016-11-01T07:36:04 -01:00","latitude":-24.711933,"longitude":147.246705,"tags":[]}
+{"id":8,"isActive":false,"balance":"$3,999.56","picture":"http://placehold.it/32x32","age":30,"color":"brown","name":"Martin Porter","gender":"male","email":"martinporter@chorizon.com","phone":"+1 (895) 580-2304","address":"577 Regent Place, Aguila, Guam, 6554","about":"Nostrud nulla labore ex excepteur labore enim cillum pariatur in do Lorem eiusmod ullamco est. Labore aliquip id ut nisi commodo pariatur ea esse laboris. Incididunt eu dolor esse excepteur nulla minim proident non cillum nisi dolore incididunt ipsum tempor.\r\n","registered":"2014-09-20T02:08:30 -02:00","latitude":-88.344273,"longitude":37.964466,"tags":[]}
+{"id":9,"isActive":true,"balance":"$3,729.71","picture":"http://placehold.it/32x32","age":26,"color":"blue","name":"Kelli Mendez","gender":"female","email":"kellimendez@chorizon.com","phone":"+1 (936) 401-2236","address":"242 Caton Place, Grazierville, Alabama, 3968","about":"Consectetur occaecat dolore esse eiusmod enim ea aliqua eiusmod amet velit laborum. Velit quis consequat consectetur velit fugiat labore commodo amet do. Magna minim est ad commodo consequat fugiat. Laboris duis Lorem ipsum irure sit ipsum consequat tempor sit. Est ad nulla duis quis velit anim id nulla. Cupidatat ea esse laboris eu veniam cupidatat proident veniam quis.\r\n","registered":"2018-05-04T10:35:30 -02:00","latitude":49.37551,"longitude":41.872323,"tags":["new issue","new issue"]}
+{"id":10,"isActive":false,"balance":"$1,127.47","picture":"http://placehold.it/32x32","age":27,"color":"blue","name":"Maddox Johns","gender":"male","email":"maddoxjohns@chorizon.com","phone":"+1 (892) 470-2357","address":"756 Beard Street, Avalon, Louisiana, 114","about":"Voluptate et dolor magna do do. Id do enim ut nulla esse culpa fugiat excepteur quis. Nostrud ad aliquip aliqua qui esse ut consequat proident deserunt esse cupidatat do elit fugiat. Sint cillum aliquip cillum laboris laborum laboris ad aliquip enim reprehenderit cillum eu sint. Sint ut ad duis do culpa non eiusmod amet non ipsum commodo. Pariatur aliquip sit deserunt non. Ut consequat pariatur deserunt veniam est sit eiusmod officia aliquip commodo sunt in eu duis.\r\n","registered":"2016-04-22T06:41:25 -02:00","latitude":66.640229,"longitude":-17.222666,"tags":["new issue","good first issue","good first issue","new issue"]}
+{"id":11,"isActive":true,"balance":"$1,351.43","picture":"http://placehold.it/32x32","age":28,"color":"Green","name":"Evans Wagner","gender":"male","email":"evanswagner@chorizon.com","phone":"+1 (889) 496-2332","address":"118 Monaco Place, Lutsen, Delaware, 6209","about":"Sunt consectetur enim ipsum consectetur occaecat reprehenderit nulla pariatur. Cupidatat do exercitation tempor voluptate duis nostrud dolor consectetur. Excepteur aliquip Lorem voluptate cillum est. Nisi velit nulla nostrud ea id officia laboris et.\r\n","registered":"2016-10-27T01:26:31 -02:00","latitude":-77.673222,"longitude":-142.657214,"tags":["good first issue","good first issue"]}
+{"id":12,"isActive":false,"balance":"$3,394.96","picture":"http://placehold.it/32x32","age":25,"color":"blue","name":"Aida Kirby","gender":"female","email":"aidakirby@chorizon.com","phone":"+1 (942) 532-2325","address":"797 Engert Avenue, Wilsonia, Idaho, 6532","about":"Mollit aute esse Lorem do laboris anim reprehenderit excepteur. Ipsum culpa esse voluptate officia cupidatat minim. Velit officia proident nostrud sunt irure labore. Culpa ex commodo amet dolor amet voluptate Lorem ex esse commodo fugiat quis non. Ex est adipisicing veniam sunt dolore ut aliqua nisi ex sit. Esse voluptate esse anim id adipisicing enim aute ea exercitation tempor cillum.\r\n","registered":"2018-06-18T04:39:57 -02:00","latitude":-58.062041,"longitude":34.999254,"tags":["new issue","wontfix","bug","new issue"]}
+{"id":13,"isActive":true,"balance":"$2,812.62","picture":"http://placehold.it/32x32","age":40,"color":"blue","name":"Nelda Burris","gender":"female","email":"neldaburris@chorizon.com","phone":"+1 (813) 600-2576","address":"160 Opal Court, Fowlerville, Tennessee, 2170","about":"Ipsum aliquip adipisicing elit magna. Veniam irure quis laborum laborum sint velit amet. Irure non eiusmod laborum fugiat qui quis Lorem culpa veniam commodo. Fugiat cupidatat dolore et consequat pariatur enim ex velit consequat deserunt quis. Deserunt et quis laborum cupidatat cillum minim cupidatat nisi do commodo commodo labore cupidatat ea. In excepteur sit nostrud nulla nostrud dolor sint. Et anim culpa aliquip laborum Lorem elit.\r\n","registered":"2015-08-15T12:39:53 -02:00","latitude":66.6871,"longitude":179.549488,"tags":["wontfix"]}
+{"id":14,"isActive":true,"balance":"$1,718.33","picture":"http://placehold.it/32x32","age":35,"color":"blue","name":"Jennifer Hart","gender":"female","email":"jenniferhart@chorizon.com","phone":"+1 (850) 537-2513","address":"124 Veranda Place, Nash, Utah, 985","about":"Amet amet voluptate in occaecat pariatur. Nulla ipsum esse quis qui in quis qui. Non est non nisi qui tempor commodo consequat fugiat. Sint eu ipsum aute anim anim. Ea nostrud excepteur exercitation consectetur Lorem.\r\n","registered":"2016-09-04T11:46:59 -02:00","latitude":-66.827751,"longitude":99.220079,"tags":["wontfix","bug","new issue","new issue"]}
+{"id":15,"isActive":false,"balance":"$2,698.16","picture":"http://placehold.it/32x32","age":28,"color":"blue","name":"Aurelia Contreras","gender":"female","email":"aureliacontreras@chorizon.com","phone":"+1 (932) 442-3103","address":"655 Dwight Street, Grapeview, Palau, 8356","about":"Qui adipisicing consectetur aute veniam culpa ipsum. Occaecat occaecat ut mollit enim enim elit Lorem nostrud Lorem. Consequat laborum mollit nulla aute cillum sunt mollit commodo velit culpa. Pariatur pariatur velit nostrud tempor. In minim enim cillum exercitation in laboris labore ea sunt in incididunt fugiat.\r\n","registered":"2014-09-11T10:43:15 -02:00","latitude":-71.328973,"longitude":133.404895,"tags":["wontfix","bug","good first issue"]}
+{"id":16,"isActive":true,"balance":"$3,303.25","picture":"http://placehold.it/32x32","age":28,"color":"brown","name":"Estella Bass","gender":"female","email":"estellabass@chorizon.com","phone":"+1 (825) 436-2909","address":"435 Rockwell Place, Garberville, Wisconsin, 2230","about":"Sit eiusmod mollit velit non. Qui ea in exercitation elit reprehenderit occaecat tempor minim officia. Culpa amet voluptate sit eiusmod pariatur.\r\n","registered":"2017-11-23T09:32:09 -01:00","latitude":81.17014,"longitude":-145.262693,"tags":["new issue"]}
+{"id":17,"isActive":false,"balance":"$3,579.20","picture":"http://placehold.it/32x32","age":25,"color":"brown","name":"Ortega Brennan","gender":"male","email":"ortegabrennan@chorizon.com","phone":"+1 (906) 526-2287","address":"440 Berry Street, Rivera, Maine, 1849","about":"Veniam velit non laboris consectetur sit aliquip enim proident velit in ipsum reprehenderit reprehenderit. Dolor qui nulla adipisicing ad magna dolore do ut duis et aute est. Qui est elit cupidatat nostrud. Laboris voluptate reprehenderit minim sint exercitation cupidatat ipsum sint consectetur velit sunt et officia incididunt. Ut amet Lorem minim deserunt officia officia irure qui et Lorem deserunt culpa sit.\r\n","registered":"2016-03-31T02:17:13 -02:00","latitude":-68.407524,"longitude":-113.642067,"tags":["new issue","wontfix"]}
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+{"id":74,"isActive":true,"balance":"$1,180.90","picture":"http://placehold.it/32x32","age":36,"color":"Green","name":"Stark Wong","gender":"male","email":"starkwong@chorizon.com","phone":"+1 (805) 575-3055","address":"522 Bond Street, Bawcomville, Wisconsin, 324","about":"Aute qui sit incididunt eu adipisicing exercitation sunt nostrud. Id laborum incididunt proident ipsum est cillum esse. Officia ullamco eu ut Lorem do minim ea dolor consequat sit eu est voluptate. Id commodo cillum enim culpa aliquip ullamco nisi Lorem cillum ipsum cupidatat anim officia eu. Dolore sint elit labore pariatur. Officia duis nulla voluptate et nulla ut voluptate laboris eu commodo veniam qui veniam.\r\n","registered":"2020-01-25T10:47:48 -01:00","latitude":-80.452139,"longitude":160.72546,"tags":["wontfix"]}
+{"id":75,"isActive":false,"balance":"$1,913.42","picture":"http://placehold.it/32x32","age":24,"color":"Green","name":"Emma Jacobs","gender":"female","email":"emmajacobs@chorizon.com","phone":"+1 (899) 554-3847","address":"173 Tapscott Street, Esmont, Maine, 7450","about":"Laboris consequat consectetur tempor labore ullamco ullamco voluptate quis quis duis ut ad. In est irure quis amet sunt nulla ad ut sit labore ut eu quis duis. Nostrud cupidatat aliqua sunt occaecat minim id consequat officia deserunt laborum. Ea dolor reprehenderit laborum veniam exercitation est nostrud excepteur laborum minim id qui et.\r\n","registered":"2019-03-29T06:24:13 -01:00","latitude":-35.53722,"longitude":155.703874,"tags":[]}
+{"id":77,"isActive":false,"balance":"$1,274.29","picture":"http://placehold.it/32x32","age":25,"color":"Red","name":"孫武","gender":"male","email":"SunTzu@chorizon.com","phone":"+1 (810) 407-3258","address":"吴國","about":"孫武（前544年－前470年或前496年），字長卿，春秋時期齊國人，著名軍事家、政治家，兵家代表人物。兵書《孫子兵法》的作者，後人尊稱為孫子、兵聖、東方兵聖，山東、蘇州等地尚有祀奉孫武的廟宇兵聖廟。其族人为樂安孫氏始祖，次子孙明为富春孫氏始祖。\r\n","registered":"2014-10-20T10:13:32 -02:00","latitude":17.11935,"longitude":65.38197,"tags":["new issue","wontfix"]}

meilisearch-http/tests/assets/dumps/v1/test/settings.json

@@ -0,0 +1,59 @@
+{
+    "rankingRules": [
+        "typo",
+        "words",
+        "proximity",
+        "attribute",
+        "wordsPosition",
+        "exactness"
+    ],
+    "distinctAttribute": "email",
+    "searchableAttributes": [
+        "balance",
+        "picture",
+        "age",
+        "color",
+        "name",
+        "gender",
+        "email",
+        "phone",
+        "address",
+        "about",
+        "registered",
+        "latitude",
+        "longitude",
+        "tags"
+    ],
+    "displayedAttributes": [
+        "id",
+        "isActive",
+        "balance",
+        "picture",
+        "age",
+        "color",
+        "name",
+        "gender",
+        "email",
+        "phone",
+        "address",
+        "about",
+        "registered",
+        "latitude",
+        "longitude",
+        "tags"
+    ],
+    "stopWords": [
+        "in",
+        "ad"
+    ],
+    "synonyms": {
+        "wolverine": ["xmen", "logan"],
+        "logan": ["wolverine", "xmen"]
+    },
+    "attributesForFaceting": [
+        "gender",
+        "color",
+        "tags",
+        "isActive"
+    ]
+}

meilisearch-http/tests/assets/dumps/v1/test/updates.jsonl

@@ -0,0 +1,3 @@
+{"status":"processed","updateId":0,"type":{"name":"Settings","settings":{"ranking_rules":{"Update":["Typo","Words","Proximity","Attribute","WordsPosition","Exactness"]},"distinct_attribute":"Nothing","primary_key":"Nothing","searchable_attributes":"Nothing","displayed_attributes":"Nothing","stop_words":"Nothing","synonyms":"Nothing","attributes_for_faceting":"Nothing"}}}
+{"status":"processed","updateId":1,"type":{"name":"DocumentsAddition","number":77}}
+

meilisearch-http/tests/assets/test_set.json

@@ -5,7 +5,7 @@
     "balance": "$2,668.55",
     "picture": "http://placehold.it/32x32",
     "age": 36,
-    "color": "green",
+    "color": "Green",
     "name": "Lucas Hess",
     "gender": "male",
     "email": "lucashess@chorizon.com",
@@ -26,7 +26,7 @@
     "balance": "$1,706.13",
     "picture": "http://placehold.it/32x32",
     "age": 27,
-    "color": "green",
+    "color": "Green",
     "name": "Cherry Orr",
     "gender": "female",
     "email": "cherryorr@chorizon.com",
@@ -90,7 +90,7 @@
     "balance": "$2,575.78",
     "picture": "http://placehold.it/32x32",
     "age": 39,
-    "color": "green",
+    "color": "Green",
     "name": "Mariana Pacheco",
     "gender": "female",
     "email": "marianapacheco@chorizon.com",
@@ -110,7 +110,7 @@
     "balance": "$3,793.09",
     "picture": "http://placehold.it/32x32",
     "age": 20,
-    "color": "green",
+    "color": "Green",
     "name": "Warren Watson",
     "gender": "male",
     "email": "warrenwatson@chorizon.com",
@@ -155,7 +155,7 @@
     "balance": "$1,349.50",
     "picture": "http://placehold.it/32x32",
     "age": 28,
-    "color": "green",
+    "color": "Green",
     "name": "Chrystal Boyd",
     "gender": "female",
     "email": "chrystalboyd@chorizon.com",
@@ -235,7 +235,7 @@
     "balance": "$1,351.43",
     "picture": "http://placehold.it/32x32",
     "age": 28,
-    "color": "green",
+    "color": "Green",
     "name": "Evans Wagner",
     "gender": "male",
     "email": "evanswagner@chorizon.com",
@@ -431,7 +431,7 @@
     "balance": "$1,986.48",
     "picture": "http://placehold.it/32x32",
     "age": 38,
-    "color": "green",
+    "color": "Green",
     "name": "Florence Long",
     "gender": "female",
     "email": "florencelong@chorizon.com",
@@ -530,7 +530,7 @@
     "balance": "$3,973.43",
     "picture": "http://placehold.it/32x32",
     "age": 29,
-    "color": "green",
+    "color": "Green",
     "name": "Sykes Conley",
     "gender": "male",
     "email": "sykesconley@chorizon.com",
@@ -813,7 +813,7 @@
     "balance": "$1,992.38",
     "picture": "http://placehold.it/32x32",
     "age": 40,
-    "color": "green",
+    "color": "Green",
     "name": "Christina Short",
     "gender": "female",
     "email": "christinashort@chorizon.com",
@@ -944,7 +944,7 @@
     "balance": "$2,893.45",
     "picture": "http://placehold.it/32x32",
     "age": 22,
-    "color": "green",
+    "color": "Green",
     "name": "Joni Spears",
     "gender": "female",
     "email": "jonispears@chorizon.com",
@@ -988,7 +988,7 @@
     "balance": "$1,348.04",
     "picture": "http://placehold.it/32x32",
     "age": 34,
-    "color": "green",
+    "color": "Green",
     "name": "Lawson Curtis",
     "gender": "male",
     "email": "lawsoncurtis@chorizon.com",
@@ -1006,7 +1006,7 @@
     "balance": "$1,132.41",
     "picture": "http://placehold.it/32x32",
     "age": 38,
-    "color": "green",
+    "color": "Green",
     "name": "Goff May",
     "gender": "male",
     "email": "goffmay@chorizon.com",
@@ -1026,7 +1026,7 @@
     "balance": "$1,201.87",
     "picture": "http://placehold.it/32x32",
     "age": 38,
-    "color": "green",
+    "color": "Green",
     "name": "Goodman Becker",
     "gender": "male",
     "email": "goodmanbecker@chorizon.com",
@@ -1069,7 +1069,7 @@
     "balance": "$1,947.08",
     "picture": "http://placehold.it/32x32",
     "age": 21,
-    "color": "green",
+    "color": "Green",
     "name": "Guerra Mcintyre",
     "gender": "male",
     "email": "guerramcintyre@chorizon.com",
@@ -1153,7 +1153,7 @@
     "balance": "$2,113.29",
     "picture": "http://placehold.it/32x32",
     "age": 28,
-    "color": "green",
+    "color": "Green",
     "name": "Richards Walls",
     "gender": "male",
     "email": "richardswalls@chorizon.com",
@@ -1211,7 +1211,7 @@
     "balance": "$1,844.56",
     "picture": "http://placehold.it/32x32",
     "age": 20,
-    "color": "green",
+    "color": "Green",
     "name": "Kaitlin Conner",
     "gender": "female",
     "email": "kaitlinconner@chorizon.com",
@@ -1229,7 +1229,7 @@
     "balance": "$2,876.10",
     "picture": "http://placehold.it/32x32",
     "age": 38,
-    "color": "green",
+    "color": "Green",
     "name": "Mamie Fischer",
     "gender": "female",
     "email": "mamiefischer@chorizon.com",
@@ -1252,7 +1252,7 @@
     "balance": "$1,921.58",
     "picture": "http://placehold.it/32x32",
     "age": 31,
-    "color": "green",
+    "color": "Green",
     "name": "Harper Carson",
     "gender": "male",
     "email": "harpercarson@chorizon.com",
@@ -1291,7 +1291,7 @@
     "balance": "$2,813.41",
     "picture": "http://placehold.it/32x32",
     "age": 37,
-    "color": "green",
+    "color": "Green",
     "name": "Charles Castillo",
     "gender": "male",
     "email": "charlescastillo@chorizon.com",
@@ -1433,7 +1433,7 @@
     "balance": "$1,539.98",
     "picture": "http://placehold.it/32x32",
     "age": 24,
-    "color": "green",
+    "color": "Green",
     "name": "Angelina Dyer",
     "gender": "female",
     "email": "angelinadyer@chorizon.com",
@@ -1493,7 +1493,7 @@
     "balance": "$3,381.63",
     "picture": "http://placehold.it/32x32",
     "age": 38,
-    "color": "green",
+    "color": "Green",
     "name": "Candace Sawyer",
     "gender": "female",
     "email": "candacesawyer@chorizon.com",
@@ -1514,7 +1514,7 @@
     "balance": "$1,640.98",
     "picture": "http://placehold.it/32x32",
     "age": 27,
-    "color": "green",
+    "color": "Green",
     "name": "Hendricks Martinez",
     "gender": "male",
     "email": "hendricksmartinez@chorizon.com",
@@ -1557,7 +1557,7 @@
     "balance": "$1,180.90",
     "picture": "http://placehold.it/32x32",
     "age": 36,
-    "color": "green",
+    "color": "Green",
     "name": "Stark Wong",
     "gender": "male",
     "email": "starkwong@chorizon.com",
@@ -1577,7 +1577,7 @@
     "balance": "$1,913.42",
     "picture": "http://placehold.it/32x32",
     "age": 24,
-    "color": "green",
+    "color": "Green",
     "name": "Emma Jacobs",
     "gender": "female",
     "email": "emmajacobs@chorizon.com",
@@ -1590,18 +1590,18 @@
     "tags": []
   },
   {
-    "id": 76,
+    "id": 77,
     "isActive": false,
     "balance": "$1,274.29",
     "picture": "http://placehold.it/32x32",
     "age": 25,
-    "color": "green",
-    "name": "Clarice Gardner",
-    "gender": "female",
-    "email": "claricegardner@chorizon.com",
+    "color": "Red",
+    "name": "孫武",
+    "gender": "male",
+    "email": "SunTzu@chorizon.com",
     "phone": "+1 (810) 407-3258",
-    "address": "894 Brooklyn Road, Utting, New Hampshire, 6404",
-    "about": "Elit occaecat aute ea adipisicing mollit cupidatat aliquip excepteur veniam minim. Sunt quis dolore in commodo aute esse quis. Lorem in cillum commodo eu anim commodo mollit. Adipisicing enim sunt adipisicing cupidatat adipisicing eiusmod eu do sit nisi.\r\n",
+    "address": "吴國",
+    "about": "孫武（前544年－前470年或前496年），字長卿，春秋時期齊國人，著名軍事家、政治家，兵家代表人物。兵書《孫子兵法》的作者，後人尊稱為孫子、兵聖、東方兵聖，山東、蘇州等地尚有祀奉孫武的廟宇兵聖廟。其族人为樂安孫氏始祖，次子孙明为富春孫氏始祖。\r\n",
     "registered": "2014-10-20T10:13:32 -02:00",
     "latitude": 17.11935,
     "longitude": 65.38197,

meilisearch-http/tests/common.rs

@@ -15,21 +15,30 @@ use meilisearch_http::option::Opt;
 #[macro_export]
 macro_rules! test_post_get_search {
     ($server:expr, $query:expr, |$response:ident, $status_code:ident | $block:expr) => {
-        let post_query: meilisearch_http::routes::search::SearchQueryPost = serde_json::from_str(&$query.clone().to_string()).unwrap();
+        let post_query: meilisearch_http::routes::search::SearchQueryPost =
+            serde_json::from_str(&$query.clone().to_string()).unwrap();
         let get_query: meilisearch_http::routes::search::SearchQuery = post_query.into();
         let get_query = ::serde_url_params::to_string(&get_query).unwrap();
         let ($response, $status_code) = $server.search_get(&get_query).await;
-        let _ =::std::panic::catch_unwind(|| $block)
-            .map_err(|e| panic!("panic in get route: {:?}", e.downcast_ref::<&str>().unwrap()));
+        let _ = ::std::panic::catch_unwind(|| $block).map_err(|e| {
+            panic!(
+                "panic in get route: {:?}",
+                e.downcast_ref::<&str>().unwrap()
+            )
+        });
         let ($response, $status_code) = $server.search_post($query).await;
-        let _ = ::std::panic::catch_unwind(|| $block)
-            .map_err(|e| panic!("panic in post route: {:?}", e.downcast_ref::<&str>().unwrap()));
+        let _ = ::std::panic::catch_unwind(|| $block).map_err(|e| {
+            panic!(
+                "panic in post route: {:?}",
+                e.downcast_ref::<&str>().unwrap()
+            )
+        });
     };
 }
 
 pub struct Server {
-    uid: String,
-    data: Data,
+    pub uid: String,
+    pub data: Data,
 }
 
 impl Server {
@@ -39,18 +48,20 @@ impl Server {
         let default_db_options = DatabaseOptions::default();
 
         let opt = Opt {
-            db_path: tmp_dir.path().to_str().unwrap().to_string(),
+            db_path: tmp_dir.path().join("db").to_str().unwrap().to_string(),
+            dumps_dir: tmp_dir.path().join("dump"),
+            dump_batch_size: 16,
             http_addr: "127.0.0.1:7700".to_owned(),
             master_key: None,
             env: "development".to_owned(),
             no_analytics: true,
-            main_map_size: default_db_options.main_map_size,
-            update_map_size: default_db_options.update_map_size,
-            http_payload_size_limit: 10000000,
+            max_mdb_size: default_db_options.main_map_size,
+            max_udb_size: default_db_options.update_map_size,
+            http_payload_size_limit: 100000000,
             ..Opt::default()
         };
 
-        let data = Data::new(opt.clone()).unwrap();
+        let data = Data::new(opt).unwrap();
 
         Server {
             uid: uid.to_string(),
@@ -59,7 +70,6 @@ impl Server {
     }
 
     pub async fn test_server() -> Self {
-
         let mut server = Self::with_uid("test");
 
         let body = json!({
@@ -78,40 +88,6 @@ impl Server {
                 "wordsPosition",
                 "exactness",
             ],
-            "searchableAttributes": [
-                "balance",
-                "picture",
-                "age",
-                "color",
-                "name",
-                "gender",
-                "email",
-                "phone",
-                "address",
-                "about",
-                "registered",
-                "latitude",
-                "longitude",
-                "tags",
-            ],
-            "displayedAttributes": [
-                "id",
-                "isActive",
-                "balance",
-                "picture",
-                "age",
-                "color",
-                "name",
-                "gender",
-                "email",
-                "phone",
-                "address",
-                "about",
-                "registered",
-                "latitude",
-                "longitude",
-                "tags",
-            ],
         });
 
         server.update_all_settings(body).await;
@@ -124,6 +100,9 @@ impl Server {
         server
     }
 
+    pub fn data(&self) -> &Data {
+        &self.data
+    }
 
     pub async fn wait_update_id(&mut self, update_id: u64) {
         // try 10 times to get status, or panic to not wait forever
@@ -132,7 +111,7 @@ impl Server {
             assert_eq!(status_code, 200);
 
             if response["status"] == "processed" || response["status"] == "failed" {
-                eprintln!("{:#?}", response);
+                // eprintln!("{:#?}", response);
                 return;
             }
 
@@ -146,28 +125,30 @@ impl Server {
     pub async fn get_request(&mut self, url: &str) -> (Value, StatusCode) {
         eprintln!("get_request: {}", url);
 
-        let mut app = test::init_service(meilisearch_http::create_app(&self.data).wrap(NormalizePath)).await;
+        let mut app =
+            test::init_service(meilisearch_http::create_app(&self.data, true).wrap(NormalizePath)).await;
 
         let req = test::TestRequest::get().uri(url).to_request();
         let res = test::call_service(&mut app, req).await;
-        let status_code = res.status().clone();
+        let status_code = res.status();
 
         let body = test::read_body(res).await;
         let response = serde_json::from_slice(&body).unwrap_or_default();
         (response, status_code)
     }
 
-    pub async fn post_request(&mut self, url: &str, body: Value) -> (Value, StatusCode) {
+    pub async fn post_request(&self, url: &str, body: Value) -> (Value, StatusCode) {
         eprintln!("post_request: {}", url);
 
-        let mut app = test::init_service(meilisearch_http::create_app(&self.data).wrap(NormalizePath)).await;
+        let mut app =
+            test::init_service(meilisearch_http::create_app(&self.data, true).wrap(NormalizePath)).await;
 
         let req = test::TestRequest::post()
             .uri(url)
             .set_json(&body)
             .to_request();
         let res = test::call_service(&mut app, req).await;
-        let status_code = res.status().clone();
+        let status_code = res.status();
 
         let body = test::read_body(res).await;
         let response = serde_json::from_slice(&body).unwrap_or_default();
@@ -179,7 +160,6 @@ impl Server {
 
         let (response, status_code) = self.post_request(url, body).await;
         eprintln!("response: {}", response);
-        assert_eq!(status_code, 202);
         assert!(response["updateId"].as_u64().is_some());
         self.wait_update_id(response["updateId"].as_u64().unwrap())
             .await;
@@ -189,14 +169,15 @@ impl Server {
     pub async fn put_request(&mut self, url: &str, body: Value) -> (Value, StatusCode) {
         eprintln!("put_request: {}", url);
 
-        let mut app = test::init_service(meilisearch_http::create_app(&self.data).wrap(NormalizePath)).await;
+        let mut app =
+            test::init_service(meilisearch_http::create_app(&self.data, true).wrap(NormalizePath)).await;
 
         let req = test::TestRequest::put()
             .uri(url)
             .set_json(&body)
             .to_request();
         let res = test::call_service(&mut app, req).await;
-        let status_code = res.status().clone();
+        let status_code = res.status();
 
         let body = test::read_body(res).await;
         let response = serde_json::from_slice(&body).unwrap_or_default();
@@ -217,11 +198,12 @@ impl Server {
     pub async fn delete_request(&mut self, url: &str) -> (Value, StatusCode) {
         eprintln!("delete_request: {}", url);
 
-        let mut app = test::init_service(meilisearch_http::create_app(&self.data).wrap(NormalizePath)).await;
+        let mut app =
+            test::init_service(meilisearch_http::create_app(&self.data, true).wrap(NormalizePath)).await;
 
         let req = test::TestRequest::delete().uri(url).to_request();
         let res = test::call_service(&mut app, req).await;
-        let status_code = res.status().clone();
+        let status_code = res.status();
 
         let body = test::read_body(res).await;
         let response = serde_json::from_slice(&body).unwrap_or_default();
@@ -335,9 +317,9 @@ impl Server {
         self.delete_request_async(&url).await
     }
 
-    pub async fn delete_multiple_documents(&mut self, body: Value) {
+    pub async fn delete_multiple_documents(&mut self, body: Value) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/documents/delete-batch", self.uid);
-        self.post_request_async(&url, body).await;
+        self.post_request_async(&url, body).await
     }
 
     pub async fn get_all_settings(&mut self) -> (Value, StatusCode) {
@@ -350,6 +332,11 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_all_settings_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_all_settings(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings", self.uid);
         self.delete_request_async(&url).await
@@ -385,6 +372,11 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_distinct_attribute_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/distinct-attribute", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_distinct_attribute(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/distinct-attribute", self.uid);
         self.delete_request_async(&url).await
@@ -405,6 +397,11 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_searchable_attributes_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/searchable-attributes", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_searchable_attributes(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/searchable-attributes", self.uid);
         self.delete_request_async(&url).await
@@ -420,11 +417,39 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_displayed_attributes_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/displayed-attributes", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_displayed_attributes(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/displayed-attributes", self.uid);
         self.delete_request_async(&url).await
     }
 
+    pub async fn get_attributes_for_faceting(&mut self) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/attributes-for-faceting", self.uid);
+        self.get_request(&url).await
+    }
+
+    pub async fn update_attributes_for_faceting(&mut self, body: Value) {
+        let url = format!("/indexes/{}/settings/attributes-for-faceting", self.uid);
+        self.post_request_async(&url, body).await;
+    }
+
+    pub async fn update_attributes_for_faceting_sync(
+        &mut self,
+        body: Value,
+    ) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/attributes-for-faceting", self.uid);
+        self.post_request(&url, body).await
+    }
+
+    pub async fn delete_attributes_for_faceting(&mut self) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/attributes-for-faceting", self.uid);
+        self.delete_request_async(&url).await
+    }
+
     pub async fn get_synonyms(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/synonyms", self.uid);
         self.get_request(&url).await
@@ -435,6 +460,11 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_synonyms_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/synonyms", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_synonyms(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/synonyms", self.uid);
         self.delete_request_async(&url).await
@@ -450,6 +480,11 @@ impl Server {
         self.post_request_async(&url, body).await;
     }
 
+    pub async fn update_stop_words_sync(&mut self, body: Value) -> (Value, StatusCode) {
+        let url = format!("/indexes/{}/settings/stop-words", self.uid);
+        self.post_request(&url, body).await
+    }
+
     pub async fn delete_stop_words(&mut self) -> (Value, StatusCode) {
         let url = format!("/indexes/{}/settings/stop-words", self.uid);
         self.delete_request_async(&url).await
@@ -483,4 +518,18 @@ impl Server {
     pub async fn get_sys_info_pretty(&mut self) -> (Value, StatusCode) {
         self.get_request("/sys-info/pretty").await
     }
+
+    pub async fn trigger_dump(&self) -> (Value, StatusCode) {
+        self.post_request("/dumps", Value::Null).await
+    }
+
+    pub async fn get_dump_status(&mut self, dump_uid: &str) -> (Value, StatusCode) {
+        let url = format!("/dumps/{}/status", dump_uid);
+        self.get_request(&url).await
+    }
+
+    pub async fn trigger_dump_importation(&mut self, dump_uid: &str) -> (Value, StatusCode) {
+        let url = format!("/dumps/{}/import", dump_uid);
+        self.get_request(&url).await
+    }
 }

meilisearch-http/tests/documents_add.rs

@@ -192,7 +192,9 @@ async fn add_document_with_long_field() {
         "url":"/configuration/app/web.html#locations"
     }]);
     server.add_or_replace_multiple_documents(body).await;
-    let (response, _status) = server.search_post(json!({ "q": "request_buffering" })).await;
+    let (response, _status) = server
+        .search_post(json!({ "q": "request_buffering" }))
+        .await;
     assert!(!response["hits"].as_array().unwrap().is_empty());
 }
 
@@ -213,5 +215,8 @@ async fn documents_with_same_id_are_overwritten() {
     server.add_or_replace_multiple_documents(documents).await;
     let (response, _status) = server.get_all_documents().await;
     assert_eq!(response.as_array().unwrap().len(), 1);
-    assert_eq!(response.as_array().unwrap()[0].as_object().unwrap()["content"], "test2");
+    assert_eq!(
+        response.as_array().unwrap()[0].as_object().unwrap()["content"],
+        "test2"
+    );
 }

meilisearch-http/tests/documents_delete.rs

@@ -1,5 +1,7 @@
 mod common;
 
+use serde_json::json;
+
 #[actix_rt::test]
 async fn delete() {
     let mut server = common::Server::test_server().await;
@@ -32,3 +34,34 @@ async fn delete_batch() {
         assert_eq!(status_code, 404);
     }
 }
+
+#[actix_rt::test]
+async fn text_clear_all_placeholder_search() {
+    let mut server = common::Server::with_uid("test");
+    let body = json!({
+        "uid": "test",
+    });
+
+    server.create_index(body).await;
+    let settings = json!({
+        "attributesForFaceting": ["genre"],
+    });
+
+    server.update_all_settings(settings).await;
+
+    let documents = json!([
+        { "id": 2,    "title": "Pride and Prejudice",                    "author": "Jane Austin",              "genre": "romance" },
+        { "id": 456,  "title": "Le Petit Prince",                        "author": "Antoine de Saint-Exupéry", "genre": "adventure" },
+        { "id": 1,    "title": "Alice In Wonderland",                    "author": "Lewis Carroll",            "genre": "fantasy" },
+        { "id": 1344, "title": "The Hobbit",                             "author": "J. R. R. Tolkien",         "genre": "fantasy" },
+        { "id": 4,    "title": "Harry Potter and the Half-Blood Prince", "author": "J. K. Rowling",            "genre": "fantasy" },
+        { "id": 42,   "title": "The Hitchhiker's Guide to the Galaxy",   "author": "Douglas Adams" }
+    ]);
+
+    server.add_or_update_multiple_documents(documents).await;
+    server.clear_all_documents().await;
+    let (response, _) = server.search_post(json!({ "q": "", "facetsDistribution": ["genre"] })).await;
+    assert_eq!(response["nbHits"], 0);
+    let (response, _) = server.search_post(json!({ "q": "" })).await;
+    assert_eq!(response["nbHits"], 0);
+}

meilisearch-http/tests/documents_get.rs

@@ -0,0 +1,23 @@
+use serde_json::json;
+use actix_web::http::StatusCode;
+
+mod common;
+
+#[actix_rt::test]
+async fn get_documents_from_unexisting_index_is_error() {
+    let mut server = common::Server::with_uid("test");
+    let (response, status) = server.get_all_documents().await;
+    assert_eq!(status, StatusCode::NOT_FOUND);
+    assert_eq!(response["errorCode"], "index_not_found");
+    assert_eq!(response["errorType"], "invalid_request_error");
+    assert_eq!(response["errorLink"], "https://docs.meilisearch.com/errors#index_not_found");
+}
+
+#[actix_rt::test]
+async fn get_empty_documents_list() {
+    let mut server = common::Server::with_uid("test");
+    server.create_index(json!({ "uid": "test" })).await;
+    let (response, status) = server.get_all_documents().await;
+    assert_eq!(status, StatusCode::OK);
+    assert!(response.as_array().unwrap().is_empty());
+}

meilisearch-http/tests/dump.rs

@@ -0,0 +1,372 @@
+use assert_json_diff::{assert_json_eq, assert_json_include};
+use meilisearch_http::helpers::compression;
+use serde_json::{json, Value};
+use std::fs::File;
+use std::path::Path;
+use std::thread;
+use std::time::Duration;
+use tempfile::TempDir;
+
+#[macro_use] mod common;
+
+async fn trigger_and_wait_dump(server: &mut common::Server) -> String {
+    let (value, status_code) = server.trigger_dump().await;
+
+    assert_eq!(status_code, 202);
+
+    let dump_uid = value["uid"].as_str().unwrap().to_string();
+
+    for _ in 0..20 as u8 {
+        let (value, status_code) = server.get_dump_status(&dump_uid).await;
+    
+        assert_eq!(status_code, 200);
+        assert_ne!(value["status"].as_str(), Some("dump_process_failed"));
+        
+        if value["status"].as_str() == Some("done") { return dump_uid }
+        thread::sleep(Duration::from_millis(100));
+    }
+
+    unreachable!("dump creation runned out of time")
+}
+
+fn current_db_version() -> (String, String, String) {
+    let current_version_major = env!("CARGO_PKG_VERSION_MAJOR").to_string();
+    let current_version_minor = env!("CARGO_PKG_VERSION_MINOR").to_string();
+    let current_version_patch = env!("CARGO_PKG_VERSION_PATCH").to_string();
+
+    (current_version_major, current_version_minor, current_version_patch)
+}
+
+fn current_dump_version() -> String {
+    "V1".into()
+}
+
+fn read_all_jsonline<R: std::io::Read>(r: R) -> Value {
+    let deserializer = serde_json::Deserializer::from_reader(r); let iterator = deserializer.into_iter::<serde_json::Value>();
+
+    json!(iterator.map(|v| v.unwrap()).collect::<Vec<Value>>())
+}
+
+#[actix_rt::test]
+async fn trigger_dump_should_return_ok() {
+    let server = common::Server::test_server().await;
+
+    let (_, status_code) = server.trigger_dump().await;
+
+    assert_eq!(status_code, 202);
+}
+
+#[actix_rt::test]
+async fn trigger_dump_twice_should_return_conflict() {
+    let server = common::Server::test_server().await;
+
+    let expected = json!({
+        "message": "Another dump is already in progress",
+        "errorCode": "dump_already_in_progress",
+        "errorType": "invalid_request_error",
+        "errorLink": "https://docs.meilisearch.com/errors#dump_already_in_progress"
+    });
+
+    let (_, status_code) = server.trigger_dump().await;
+
+    assert_eq!(status_code, 202);
+
+    let (value, status_code) = server.trigger_dump().await;
+
+    
+    assert_json_eq!(expected, value, ordered: false);
+    assert_eq!(status_code, 409);
+}
+
+#[actix_rt::test]
+async fn trigger_dump_concurently_should_return_conflict() {
+    let server = common::Server::test_server().await;
+
+    let expected = json!({
+        "message": "Another dump is already in progress",
+        "errorCode": "dump_already_in_progress",
+        "errorType": "invalid_request_error",
+        "errorLink": "https://docs.meilisearch.com/errors#dump_already_in_progress"
+    });
+
+    let ((_value_1, _status_code_1), (value_2, status_code_2)) = futures::join!(server.trigger_dump(), server.trigger_dump());
+    
+    assert_json_eq!(expected, value_2, ordered: false);
+    assert_eq!(status_code_2, 409);
+}
+
+#[actix_rt::test]
+async fn get_dump_status_early_should_return_in_progress() {
+    let mut server = common::Server::test_server().await;
+    
+
+
+    let (value, status_code) = server.trigger_dump().await;
+
+    assert_eq!(status_code, 202);
+
+    let dump_uid = value["uid"].as_str().unwrap().to_string();
+
+    let (value, status_code) = server.get_dump_status(&dump_uid).await;
+
+    let expected = json!({
+        "uid": dump_uid,
+        "status": "in_progress"
+    });
+
+    assert_eq!(status_code, 200);
+
+    assert_json_eq!(expected, value, ordered: false);
+}
+
+#[actix_rt::test]
+async fn get_dump_status_should_return_done() {
+    let mut server = common::Server::test_server().await;
+
+
+    let (value, status_code) = server.trigger_dump().await;
+
+    assert_eq!(status_code, 202);
+
+    let dump_uid = value["uid"].as_str().unwrap().to_string();
+    
+    let expected = json!({
+        "uid": dump_uid.clone(),
+        "status": "done"
+    });
+
+    thread::sleep(Duration::from_secs(1)); // wait dump until process end
+
+    let (value, status_code) = server.get_dump_status(&dump_uid).await;
+
+    assert_eq!(status_code, 200);
+
+    assert_json_eq!(expected, value, ordered: false);
+}
+
+#[actix_rt::test]
+async fn get_dump_status_should_return_error_provoking_it() {
+    let mut server = common::Server::test_server().await;
+
+
+    let (value, status_code) = server.trigger_dump().await;
+
+    // removing destination directory provoking `No such file or directory` error
+    std::fs::remove_dir(server.data().dumps_dir.clone()).unwrap();
+
+    assert_eq!(status_code, 202);
+
+    let dump_uid = value["uid"].as_str().unwrap().to_string();
+    
+    let expected = json!({
+        "uid": dump_uid.clone(),
+        "status": "failed",
+        "message": "Dump process failed: compressing dump; No such file or directory (os error 2)",
+        "errorCode": "dump_process_failed",
+        "errorType": "internal_error",
+        "errorLink": "https://docs.meilisearch.com/errors#dump_process_failed"
+    });
+
+    thread::sleep(Duration::from_secs(1)); // wait dump until process end
+
+    let (value, status_code) = server.get_dump_status(&dump_uid).await;
+
+    assert_eq!(status_code, 200);
+
+    assert_json_eq!(expected, value, ordered: false);
+}
+
+#[actix_rt::test]
+async fn dump_metadata_should_be_valid() {
+    let mut server = common::Server::test_server().await;
+    
+    let body = json!({
+        "uid": "test2",
+        "primaryKey": "test2_id",
+    });
+
+    server.create_index(body).await;
+    
+    let uid = trigger_and_wait_dump(&mut server).await;
+
+    let dumps_dir = Path::new(&server.data().dumps_dir);
+    let tmp_dir = TempDir::new().unwrap();
+    let tmp_dir_path = tmp_dir.path();
+
+    compression::from_tar_gz(&dumps_dir.join(&format!("{}.dump", uid)), tmp_dir_path).unwrap();
+
+    let file = File::open(tmp_dir_path.join("metadata.json")).unwrap();
+    let mut metadata: serde_json::Value = serde_json::from_reader(file).unwrap();
+
+     // fields are randomly ordered
+     metadata.get_mut("indexes").unwrap()
+        .as_array_mut().unwrap()
+        .sort_by(|a, b| 
+            a.get("uid").unwrap().as_str().cmp(&b.get("uid").unwrap().as_str())
+        );
+
+    let (major, minor, patch) = current_db_version();
+
+    let expected = json!({
+        "indexes": [{
+                "uid": "test",
+                "primaryKey": "id",
+            }, {
+                "uid": "test2",
+                "primaryKey": "test2_id",
+            }
+        ],
+        "dbVersion": format!("{}.{}.{}", major, minor, patch),
+        "dumpVersion": current_dump_version()
+    });
+
+    assert_json_include!(expected: expected, actual: metadata);
+}
+
+#[actix_rt::test]
+async fn dump_gzip_should_have_been_created() {
+    let mut server = common::Server::test_server().await;
+    
+
+    let dump_uid = trigger_and_wait_dump(&mut server).await;
+    let dumps_dir = Path::new(&server.data().dumps_dir);
+
+    let compressed_path = dumps_dir.join(format!("{}.dump", dump_uid));
+    assert!(File::open(compressed_path).is_ok());
+}
+
+#[actix_rt::test]
+async fn dump_index_settings_should_be_valid() {
+    let mut server = common::Server::test_server().await;
+
+    let expected = json!({
+        "rankingRules": [
+            "typo",
+            "words",
+            "proximity",
+            "attribute",
+            "wordsPosition",
+            "exactness"
+        ],
+        "distinctAttribute": "email",
+        "searchableAttributes": [
+            "balance",
+            "picture",
+            "age",
+            "color",
+            "name",
+            "gender",
+            "email",
+            "phone",
+            "address",
+            "about",
+            "registered",
+            "latitude",
+            "longitude",
+            "tags"
+        ],
+        "displayedAttributes": [
+            "id",
+            "isActive",
+            "balance",
+            "picture",
+            "age",
+            "color",
+            "name",
+            "gender",
+            "email",
+            "phone",
+            "address",
+            "about",
+            "registered",
+            "latitude",
+            "longitude",
+            "tags"
+        ],
+        "stopWords": [
+            "in",
+            "ad"
+        ],
+        "synonyms": {
+            "wolverine": ["xmen", "logan"],
+            "logan": ["wolverine", "xmen"]
+        },
+        "attributesForFaceting": [
+            "gender",
+            "color",
+            "tags"
+        ]
+    });
+
+    server.update_all_settings(expected.clone()).await;
+
+    let uid = trigger_and_wait_dump(&mut server).await;
+
+    let dumps_dir = Path::new(&server.data().dumps_dir);
+    let tmp_dir = TempDir::new().unwrap();
+    let tmp_dir_path = tmp_dir.path();
+
+    compression::from_tar_gz(&dumps_dir.join(&format!("{}.dump", uid)), tmp_dir_path).unwrap();
+
+    let file = File::open(tmp_dir_path.join("test").join("settings.json")).unwrap();
+    let settings: serde_json::Value = serde_json::from_reader(file).unwrap();
+
+    assert_json_eq!(expected, settings, ordered: false);
+}
+
+#[actix_rt::test]
+async fn dump_index_documents_should_be_valid() {
+    let mut server = common::Server::test_server().await;
+
+    let dataset = include_bytes!("assets/dumps/v1/test/documents.jsonl");
+    let mut slice: &[u8] = dataset;
+
+    let expected: Value = read_all_jsonline(&mut slice);
+
+    let uid = trigger_and_wait_dump(&mut server).await;
+
+    let dumps_dir = Path::new(&server.data().dumps_dir);
+    let tmp_dir = TempDir::new().unwrap();
+    let tmp_dir_path = tmp_dir.path();
+
+    compression::from_tar_gz(&dumps_dir.join(&format!("{}.dump", uid)), tmp_dir_path).unwrap();
+
+    let file = File::open(tmp_dir_path.join("test").join("documents.jsonl")).unwrap();
+    let documents = read_all_jsonline(file);
+
+    assert_json_eq!(expected, documents, ordered: false);
+}
+
+#[actix_rt::test]
+async fn dump_index_updates_should_be_valid() {
+    let mut server = common::Server::test_server().await;
+
+    let dataset = include_bytes!("assets/dumps/v1/test/updates.jsonl");
+    let mut slice: &[u8] = dataset;
+
+    let expected: Value = read_all_jsonline(&mut slice);
+
+    let uid = trigger_and_wait_dump(&mut server).await;
+
+    let dumps_dir = Path::new(&server.data().dumps_dir);
+    let tmp_dir = TempDir::new().unwrap();
+    let tmp_dir_path = tmp_dir.path();
+
+    compression::from_tar_gz(&dumps_dir.join(&format!("{}.dump", uid)), tmp_dir_path).unwrap();
+
+    let file = File::open(tmp_dir_path.join("test").join("updates.jsonl")).unwrap();
+    let updates = read_all_jsonline(file);
+
+    eprintln!("{}\n", updates);
+    eprintln!("{}", expected);
+    assert_json_include!(expected: expected, actual: updates);
+}
+ 
+#[actix_rt::test]
+async fn get_unexisting_dump_status_should_return_not_found() {
+    let mut server = common::Server::test_server().await;
+
+    let (_, status_code) = server.get_dump_status("4242").await;
+
+    assert_eq!(status_code, 404);
+}

meilisearch-http/tests/errors.rs

@@ -43,11 +43,15 @@ async fn index_already_exists_error() {
     let (response, status_code) = server.create_index(body.clone()).await;
     println!("{}", response);
     assert_eq!(status_code, StatusCode::CREATED);
+
+    let (response, status_code) = server.create_index(body.clone()).await;
+    println!("{}", response);
+
     assert_error!(
         "index_already_exists",
         "invalid_request_error",
         StatusCode::BAD_REQUEST,
-        server.create_index(body).await);
+        (response, status_code));
 }
 
 #[actix_rt::test]
@@ -173,7 +177,7 @@ async fn document_not_found_error() {
 #[actix_rt::test]
 async fn payload_too_large_error() {
     let mut server = common::Server::with_uid("test");
-    let bigvec = vec![0u64; 10_000_000]; // 80mb
+    let bigvec = vec![0u64; 100_000_000]; // 800mb
     assert_error!(
         "payload_too_large",
         "invalid_request_error",

meilisearch-http/tests/health.rs

@@ -1,6 +1,3 @@
-use serde_json::json;
-use std::convert::Into;
-
 mod common;
 
 #[actix_rt::test]
@@ -10,29 +7,5 @@ async fn test_healthyness() {
     // Check that the server is healthy
 
     let (_response, status_code) = server.get_health().await;
-    assert_eq!(status_code, 200);
-
-    // Set the serve Unhealthy
-    let body = json!({
-        "health": false,
-    });
-    let (_response, status_code) = server.update_health(body).await;
-    assert_eq!(status_code, 200);
-
-    // Check that the server is unhealthy
-
-    let (_response, status_code) = server.get_health().await;
-    assert_eq!(status_code, 503);
-
-    // Set the server healthy
-    let body = json!({
-        "health": true,
-    });
-    let (_response, status_code) = server.update_health(body).await;
-    assert_eq!(status_code, 200);
-
-    // Check if the server is healthy
-
-    let (_response, status_code) = server.get_health().await;
-    assert_eq!(status_code, 200);
+    assert_eq!(status_code, 204);
 }

meilisearch-http/tests/index.rs

@@ -1,6 +1,6 @@
+use actix_web::http::StatusCode;
 use assert_json_diff::assert_json_eq;
-use serde_json::json;
-use serde_json::Value;
+use serde_json::{json, Value};
 
 mod common;
 
@@ -72,7 +72,10 @@ async fn create_index_with_uid() {
     let (response, status_code) = server.create_index(body).await;
 
     assert_eq!(status_code, 400);
-    assert_eq!(response["errorCode"].as_str().unwrap(), "index_already_exists");
+    assert_eq!(
+        response["errorCode"].as_str().unwrap(),
+        "index_already_exists"
+    );
 
     // 2 - Check the list of indexes
 
@@ -665,10 +668,10 @@ async fn check_add_documents_without_primary_key() {
 
 #[actix_rt::test]
 async fn check_first_update_should_bring_up_processed_status_after_first_docs_addition() {
-    let mut server = common::Server::with_uid("test");
+    let mut server = common::Server::with_uid("movies");
 
     let body = json!({
-        "uid": "test",
+        "uid": "movies",
     });
 
     // 1. Create Index
@@ -676,7 +679,7 @@ async fn check_first_update_should_bring_up_processed_status_after_first_docs_ad
     assert_eq!(status_code, 201);
     assert_eq!(response["primaryKey"], json!(null));
 
-    let dataset = include_bytes!("assets/test_set.json");
+    let dataset = include_bytes!("./assets/test_set.json");
 
     let body: Value = serde_json::from_slice(dataset).unwrap();
 
@@ -690,3 +693,119 @@ async fn check_first_update_should_bring_up_processed_status_after_first_docs_ad
     assert_eq!(status_code, 200);
     assert_eq!(response[0]["status"], "processed");
 }
+
+#[actix_rt::test]
+async fn get_empty_index() {
+    let mut server = common::Server::with_uid("test");
+    let (response, _status) = server.list_indexes().await;
+    assert!(response.as_array().unwrap().is_empty());
+}
+
+#[actix_rt::test]
+async fn create_and_list_multiple_indices() {
+    let mut server = common::Server::with_uid("test");
+    for i in 0..10 {
+        server
+            .create_index(json!({ "uid": format!("test{}", i) }))
+            .await;
+    }
+    let (response, _status) = server.list_indexes().await;
+    assert_eq!(response.as_array().unwrap().len(), 10);
+}
+
+#[actix_rt::test]
+async fn get_unexisting_index_is_error() {
+    let mut server = common::Server::with_uid("test");
+    let (response, status) = server.get_index().await;
+    assert_eq!(status, StatusCode::NOT_FOUND);
+    assert_eq!(response["errorCode"], "index_not_found");
+    assert_eq!(response["errorType"], "invalid_request_error");
+}
+
+#[actix_rt::test]
+async fn create_index_twice_is_error() {
+    let mut server = common::Server::with_uid("test");
+    server.create_index(json!({ "uid": "test" })).await;
+    let (response, status) = server.create_index(json!({ "uid": "test" })).await;
+    assert_eq!(status, StatusCode::BAD_REQUEST);
+    assert_eq!(response["errorCode"], "index_already_exists");
+    assert_eq!(response["errorType"], "invalid_request_error");
+}
+
+#[actix_rt::test]
+async fn badly_formatted_index_name_is_error() {
+    let mut server = common::Server::with_uid("$__test");
+    let (response, status) = server.create_index(json!({ "uid": "$__test" })).await;
+    assert_eq!(status, StatusCode::BAD_REQUEST);
+    assert_eq!(response["errorCode"], "invalid_index_uid");
+    assert_eq!(response["errorType"], "invalid_request_error");
+}
+
+#[actix_rt::test]
+async fn correct_response_no_primary_key_index() {
+    let mut server = common::Server::with_uid("test");
+    let (response, _status) = server.create_index(json!({ "uid": "test" })).await;
+    assert_eq!(response["primaryKey"], Value::Null);
+}
+
+#[actix_rt::test]
+async fn correct_response_with_primary_key_index() {
+    let mut server = common::Server::with_uid("test");
+    let (response, _status) = server
+        .create_index(json!({ "uid": "test", "primaryKey": "test" }))
+        .await;
+    assert_eq!(response["primaryKey"], "test");
+}
+
+#[actix_rt::test]
+async fn udpate_unexisting_index_is_error() {
+    let mut server = common::Server::with_uid("test");
+    let (response, status) = server.update_index(json!({ "primaryKey": "foobar" })).await;
+    assert_eq!(status, StatusCode::NOT_FOUND);
+    assert_eq!(response["errorCode"], "index_not_found");
+    assert_eq!(response["errorType"], "invalid_request_error");
+}
+
+#[actix_rt::test]
+async fn update_existing_primary_key_is_error() {
+    let mut server = common::Server::with_uid("test");
+    server
+        .create_index(json!({ "uid": "test", "primaryKey": "key" }))
+        .await;
+    let (response, status) = server.update_index(json!({ "primaryKey": "test2" })).await;
+    assert_eq!(status, StatusCode::BAD_REQUEST);
+    assert_eq!(response["errorCode"], "primary_key_already_present");
+    assert_eq!(response["errorType"], "invalid_request_error");
+}
+
+#[actix_rt::test]
+async fn test_field_distribution_attribute() {
+    let mut server = common::Server::test_server().await;
+
+    let (response, _status_code) = server.get_index_stats().await;
+
+    let expected = json!({
+        "fieldsDistribution": {
+            "about": 77,
+            "address": 77,
+            "age": 77,
+            "balance": 77,
+            "color": 77,
+            "email": 77,
+            "gender": 77,
+            "id": 77,
+            "isActive": 77,
+            "latitude": 77,
+            "longitude": 77,
+            "name": 77,
+            "phone": 77,
+            "picture": 77,
+            "registered": 77,
+            "tags": 77
+        },
+        "isIndexing": false,
+        "numberOfDocuments": 77
+    });
+
+    assert_json_eq!(expected, response, ordered: true);
+}

meilisearch-http/tests/index_update.rs

@@ -0,0 +1,200 @@
+use serde_json::json;
+use serde_json::Value;
+use assert_json_diff::assert_json_include;
+
+mod common;
+
+#[actix_rt::test]
+async fn check_first_update_should_bring_up_processed_status_after_first_docs_addition() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+    });
+
+    // 1. Create Index
+    let (response, status_code) = server.create_index(body).await;
+    assert_eq!(status_code, 201);
+    assert_eq!(response["primaryKey"], json!(null));
+
+    let dataset = include_bytes!("assets/test_set.json");
+
+    let body: Value = serde_json::from_slice(dataset).unwrap();
+
+    // 2. Index the documents from movies.json, present inside of assets directory
+    server.add_or_replace_multiple_documents(body).await;
+
+    // 3. Fetch the status of the indexing done above.
+    let (response, status_code) = server.get_all_updates_status().await;
+
+    // 4. Verify the fetch is successful and indexing status is 'processed'
+    assert_eq!(status_code, 200);
+    assert_eq!(response[0]["status"], "processed");
+}
+
+#[actix_rt::test]
+async fn return_error_when_get_update_status_of_unexisting_index() {
+    let mut server = common::Server::with_uid("test");
+
+    // 1. Fetch the status of unexisting index.
+    let (_, status_code) = server.get_all_updates_status().await;
+
+    // 2. Verify the fetch returned 404
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn return_empty_when_get_update_status_of_empty_index() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+    });
+
+    // 1. Create Index
+    let (response, status_code) = server.create_index(body).await;
+    assert_eq!(status_code, 201);
+    assert_eq!(response["primaryKey"], json!(null));
+
+    // 2. Fetch the status of empty index.
+    let (response, status_code) = server.get_all_updates_status().await;
+
+    // 3. Verify the fetch is successful, and no document are returned
+    assert_eq!(status_code, 200);
+    assert_eq!(response, json!([]));
+}
+
+#[actix_rt::test]
+async fn return_update_status_of_pushed_documents() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+    });
+
+    // 1. Create Index
+    let (response, status_code) = server.create_index(body).await;
+    assert_eq!(status_code, 201);
+    assert_eq!(response["primaryKey"], json!(null));
+
+
+    let bodies = vec![
+        json!([{
+        "title": "Test",
+        "comment": "comment test"
+        }]),
+        json!([{
+        "title": "Test1",
+        "comment": "comment test1"
+        }]),
+        json!([{
+        "title": "Test2",
+        "comment": "comment test2"
+        }]),
+    ];
+
+    let mut update_ids = Vec::new();
+    
+    let url = "/indexes/test/documents?primaryKey=title";
+    for body in bodies {
+      let (response, status_code) = server.post_request(&url, body).await;
+      assert_eq!(status_code, 202);
+      let update_id = response["updateId"].as_u64().unwrap();
+      update_ids.push(update_id);
+    }
+
+    // 2. Fetch the status of index.
+    let (response, status_code) = server.get_all_updates_status().await;
+
+    // 3. Verify the fetch is successful, and updates are returned
+
+    let expected = json!([{
+        "type": {
+            "name": "DocumentsAddition",
+            "number": 1,
+        },
+        "updateId": update_ids[0]
+    },{
+        "type": {
+            "name": "DocumentsAddition",
+            "number": 1,
+        },
+        "updateId": update_ids[1]
+    },{
+        "type": {
+            "name": "DocumentsAddition",
+            "number": 1,
+        },
+        "updateId": update_ids[2]
+    },]);
+
+    assert_eq!(status_code, 200);
+    assert_json_include!(actual: json!(response), expected: expected);
+}
+
+#[actix_rt::test]
+async fn return_error_if_index_does_not_exist() {
+    let mut server = common::Server::with_uid("test");
+
+    let (response, status_code) = server.get_update_status(42).await;
+
+    assert_eq!(status_code, 404);
+    assert_eq!(response["errorCode"], "index_not_found");
+}
+
+#[actix_rt::test]
+async fn return_error_if_update_does_not_exist() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+    });
+
+    // 1. Create Index
+    let (response, status_code) = server.create_index(body).await;
+    assert_eq!(status_code, 201);
+    assert_eq!(response["primaryKey"], json!(null));
+
+    let (response, status_code) = server.get_update_status(42).await;
+
+    assert_eq!(status_code, 404);
+    assert_eq!(response["errorCode"], "not_found");
+}
+
+#[actix_rt::test]
+async fn should_return_existing_update() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+    });
+
+    // 1. Create Index
+    let (response, status_code) = server.create_index(body).await;
+    assert_eq!(status_code, 201);
+    assert_eq!(response["primaryKey"], json!(null));
+    
+    let body = json!([{
+        "title": "Test",
+        "comment": "comment test"
+    }]);
+
+    let url = "/indexes/test/documents?primaryKey=title";
+    let (response, status_code) = server.post_request(&url, body).await;
+    assert_eq!(status_code, 202);
+
+    let update_id = response["updateId"].as_u64().unwrap();
+
+    let expected = json!({
+        "type": {
+            "name": "DocumentsAddition",
+            "number": 1,
+        },
+        "updateId": update_id
+    });
+
+    let (response, status_code) = server.get_update_status(update_id).await;
+
+    assert_eq!(status_code, 200);
+    assert_json_include!(actual: json!(response), expected: expected);
+}

meilisearch-http/tests/lazy_index_creation.rs

@@ -0,0 +1,446 @@
+use serde_json::json;
+
+mod common;
+
+#[actix_rt::test]
+async fn create_index_lazy_by_pushing_documents() {
+    let mut server = common::Server::with_uid("movies");
+
+    // 1 - Add documents
+
+    let body = json!([{
+      "title": "Test",
+      "comment": "comment test"
+    }]);
+
+    let url = "/indexes/movies/documents?primaryKey=title";
+    let (response, status_code) = server.post_request(&url, body).await;
+    assert_eq!(status_code, 202);
+    let update_id = response["updateId"].as_u64().unwrap();
+    server.wait_update_id(update_id).await;
+
+    // 3 - Check update success
+
+    let (response, status_code) = server.get_update_status(update_id).await;
+    assert_eq!(status_code, 200);
+    assert_eq!(response["status"], "processed");
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_pushing_documents_and_discover_pk() {
+    let mut server = common::Server::with_uid("movies");
+
+    // 1 - Add documents
+
+    let body = json!([{
+      "id": 1,
+      "title": "Test",
+      "comment": "comment test"
+    }]);
+
+    let url = "/indexes/movies/documents";
+    let (response, status_code) = server.post_request(&url, body).await;
+    assert_eq!(status_code, 202);
+    let update_id = response["updateId"].as_u64().unwrap();
+    server.wait_update_id(update_id).await;
+
+    // 3 - Check update success
+
+    let (response, status_code) = server.get_update_status(update_id).await;
+    assert_eq!(status_code, 200);
+    assert_eq!(response["status"], "processed");
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_pushing_documents_with_wrong_name() {
+    let server = common::Server::with_uid("wrong&name");
+
+    let body = json!([{
+      "title": "Test",
+      "comment": "comment test"
+    }]);
+
+    let url = "/indexes/wrong&name/documents?primaryKey=title";
+    let (response, status_code) = server.post_request(&url, body).await;
+    assert_eq!(status_code, 400);
+    assert_eq!(response["errorCode"], "invalid_index_uid");
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_add_documents_failed() {
+    let mut server = common::Server::with_uid("wrong&name");
+
+    let body = json!([{
+      "title": "Test",
+      "comment": "comment test"
+    }]);
+
+    let url = "/indexes/wrong&name/documents";
+    let (response, status_code) = server.post_request(&url, body).await;
+    assert_eq!(status_code, 400);
+    assert_eq!(response["errorCode"], "invalid_index_uid");
+
+    let (_, status_code) = server.get_index().await;
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_settings() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!({
+        "rankingRules": [
+            "typo",
+            "words",
+            "proximity",
+            "attribute",
+            "wordsPosition",
+            "exactness",
+            "desc(registered)",
+            "desc(age)",
+        ],
+        "distinctAttribute": "id",
+        "searchableAttributes": [
+            "id",
+            "name",
+            "color",
+            "gender",
+            "email",
+            "phone",
+            "address",
+            "registered",
+            "about"
+        ],
+        "displayedAttributes": [
+            "name",
+            "gender",
+            "email",
+            "registered",
+            "age",
+        ],
+        "stopWords": [
+            "ad",
+            "in",
+            "ut",
+        ],
+        "synonyms": {
+            "road": ["street", "avenue"],
+            "street": ["avenue"],
+        },
+        "attributesForFaceting": ["name"],
+    });
+
+    server.update_all_settings(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_settings_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!({
+        "rankingRules": [
+            "other",
+            "words",
+            "proximity",
+            "attribute",
+            "wordsPosition",
+            "exactness",
+            "desc(registered)",
+            "desc(age)",
+        ],
+        "distinctAttribute": "id",
+        "searchableAttributes": [
+            "id",
+            "name",
+            "color",
+            "gender",
+            "email",
+            "phone",
+            "address",
+            "registered",
+            "about"
+        ],
+        "displayedAttributes": [
+            "name",
+            "gender",
+            "email",
+            "registered",
+            "age",
+        ],
+        "stopWords": [
+            "ad",
+            "in",
+            "ut",
+        ],
+        "synonyms": {
+            "road": ["street", "avenue"],
+            "street": ["avenue"],
+        },
+        "anotherSettings": ["name"],
+    });
+
+    let (_, status_code) = server.update_all_settings_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_ranking_rules() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!([
+        "typo",
+        "words",
+        "proximity",
+        "attribute",
+        "wordsPosition",
+        "exactness",
+        "desc(registered)",
+        "desc(age)",
+    ]);
+
+    server.update_ranking_rules(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_ranking_rules_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!({
+        "rankingRules": 123,
+    });
+
+    let (_, status_code) = server.update_ranking_rules_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_distinct_attribute() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!("type");
+
+    server.update_distinct_attribute(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_distinct_attribute_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (resp, status_code) = server.update_distinct_attribute_sync(body.clone()).await;
+    eprintln!("resp: {:?}", resp);
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (resp, status_code) = server.get_all_settings().await;
+    eprintln!("resp: {:?}", resp);
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_searchable_attributes() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(["title", "description"]);
+
+    server.update_searchable_attributes(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_searchable_attributes_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (_, status_code) = server.update_searchable_attributes_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_displayed_attributes() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(["title", "description"]);
+
+    server.update_displayed_attributes(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_displayed_attributes_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (_, status_code) = server.update_displayed_attributes_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_attributes_for_faceting() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(["title", "description"]);
+
+    server.update_attributes_for_faceting(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_attributes_for_faceting_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (_, status_code) = server
+        .update_attributes_for_faceting_sync(body.clone())
+        .await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_synonyms() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!({
+        "road": ["street", "avenue"],
+        "street": ["avenue"],
+    });
+
+    server.update_synonyms(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_synonyms_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (_, status_code) = server.update_synonyms_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_stop_words() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(["le", "la", "les"]);
+
+    server.update_stop_words(body.clone()).await;
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 200);
+}
+
+#[actix_rt::test]
+async fn create_index_lazy_by_sending_stop_words_with_error() {
+    let mut server = common::Server::with_uid("movies");
+    // 2 - Send the settings
+
+    let body = json!(123);
+
+    let (_, status_code) = server.update_stop_words_sync(body.clone()).await;
+    assert_eq!(status_code, 400);
+
+    // 3 - Get all settings and compare to the previous one
+
+    let (_, status_code) = server.get_all_settings().await;
+
+    assert_eq!(status_code, 404);
+}

meilisearch-http/tests/placeholder_search.rs

@@ -2,10 +2,11 @@ use std::convert::Into;
 
 use serde_json::json;
 use serde_json::Value;
-use std::sync::Mutex;
 use std::cell::RefCell;
+use std::sync::Mutex;
 
-#[macro_use] mod common;
+#[macro_use]
+mod common;
 
 #[actix_rt::test]
 async fn placeholder_search_with_limit() {
@@ -36,9 +37,8 @@ async fn placeholder_search_with_offset() {
         assert_eq!(status_code, 200);
         // take results at offset 3 as reference
         let lock = expected.lock().unwrap();
-        lock.replace(response["hits"].as_array().unwrap()[3..6].iter().cloned().collect());
+        lock.replace(response["hits"].as_array().unwrap()[3..6].to_vec());
     });
-
     let expected = expected.into_inner().unwrap().into_inner();
 
     let query = json!({
@@ -64,11 +64,7 @@ async fn placeholder_search_with_attribute_to_highlight_wildcard() {
 
     test_post_get_search!(server, query, |response, status_code| {
         assert_eq!(status_code, 200);
-        let result = response["hits"]
-            .as_array()
-            .unwrap()[0]
-            .as_object()
-            .unwrap();
+        let result = response["hits"].as_array().unwrap()[0].as_object().unwrap();
         for value in result.values() {
             assert!(value.to_string().find("<em>").is_none());
         }
@@ -135,11 +131,7 @@ async fn placeholder_search_with_attributes_to_retrieve() {
     });
 
     test_post_get_search!(server, query, |response, _status_code| {
-        let hit = response["hits"]
-            .as_array()
-            .unwrap()[0]
-            .as_object()
-            .unwrap();
+        let hit = response["hits"].as_array().unwrap()[0].as_object().unwrap();
         assert_eq!(hit.values().count(), 2);
         let _ = hit["gender"];
         let _ = hit["about"];
@@ -156,7 +148,7 @@ async fn placeholder_search_with_filter() {
 
     test_post_get_search!(server, query, |response, _status_code| {
         let hits = response["hits"].as_array().unwrap();
-        assert!(hits.iter().all(|v| v["color"].as_str().unwrap() == "green"));
+        assert!(hits.iter().all(|v| v["color"].as_str().unwrap() == "Green"));
     });
 
     let query = json!({
@@ -166,7 +158,9 @@ async fn placeholder_search_with_filter() {
     test_post_get_search!(server, query, |response, _status_code| {
         let hits = response["hits"].as_array().unwrap();
         let value = Value::String(String::from("bug"));
-        assert!(hits.iter().all(|v| v["tags"].as_array().unwrap().contains(&value)));
+        assert!(hits
+            .iter()
+            .all(|v| v["tags"].as_array().unwrap().contains(&value)));
     });
 
     let query = json!({
@@ -176,10 +170,9 @@ async fn placeholder_search_with_filter() {
         let hits = response["hits"].as_array().unwrap();
         let bug = Value::String(String::from("bug"));
         let wontfix = Value::String(String::from("wontfix"));
-        assert!(hits.iter().all(|v|
-                v["color"].as_str().unwrap() == "green" &&
-                v["tags"].as_array().unwrap().contains(&bug) ||
-                v["tags"].as_array().unwrap().contains(&wontfix)));
+        assert!(hits.iter().all(|v| v["color"].as_str().unwrap() == "Green"
+            && v["tags"].as_array().unwrap().contains(&bug)
+            || v["tags"].as_array().unwrap().contains(&wontfix)));
     });
 }
 
@@ -206,7 +199,7 @@ async fn placeholder_test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value| value.get("color").unwrap() == "green"));
+            .all(|value| value.get("color").unwrap() == "Green"));
     });
 
     let query = json!({
@@ -257,7 +250,12 @@ async fn placeholder_test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value| value.get("tags").unwrap().as_array().unwrap().contains(&Value::String("bug".to_owned()))));
+            .all(|value| value
+                .get("tags")
+                .unwrap()
+                .as_array()
+                .unwrap()
+                .contains(&Value::String("bug".to_owned()))));
     });
 
     // test and: ["color:blue", "tags:bug"]
@@ -272,10 +270,13 @@ async fn placeholder_test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value| value
-                .get("color")
-                .unwrap() == "blue"
-                && value.get("tags").unwrap().as_array().unwrap().contains(&Value::String("bug".to_owned()))));
+            .all(|value| value.get("color").unwrap() == "blue"
+                && value
+                    .get("tags")
+                    .unwrap()
+                    .as_array()
+                    .unwrap()
+                    .contains(&Value::String("bug".to_owned()))));
     });
 
     // test or: [["color:blue", "color:green"]]
@@ -290,13 +291,8 @@ async fn placeholder_test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value|
-                value
-                .get("color")
-                .unwrap() == "blue"
-                || value
-                .get("color")
-                .unwrap() == "green"));
+            .all(|value| value.get("color").unwrap() == "blue"
+                || value.get("color").unwrap() == "Green"));
     });
     // test and-or: ["tags:bug", ["color:blue", "color:green"]]
     let query = json!({
@@ -310,20 +306,14 @@ async fn placeholder_test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value|
-                value
+            .all(|value| value
                 .get("tags")
                 .unwrap()
                 .as_array()
                 .unwrap()
                 .contains(&Value::String("bug".to_owned()))
-                && (value
-                    .get("color")
-                    .unwrap() == "blue"
-                    || value
-                    .get("color")
-                    .unwrap() == "green")));
-
+                && (value.get("color").unwrap() == "blue"
+                    || value.get("color").unwrap() == "Green")));
     });
 }
 
@@ -335,7 +325,10 @@ async fn placeholder_test_faceted_search_invalid() {
     let query = json!({
         "facetFilters": ["color:blue"]
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
 
     let body = json!({
         "attributesForFaceting": ["color", "tags"]
@@ -346,34 +339,52 @@ async fn placeholder_test_faceted_search_invalid() {
     let query = json!({
         "facetFilters": []
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
     // [[]]
     let query = json!({
         "facetFilters": [[]]
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
     // ["color:green", []]
     let query = json!({
         "facetFilters": ["color:green", []]
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
 
     // too much depth
     // [[[]]]
     let query = json!({
         "facetFilters": [[[]]]
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
     // [["color:green", ["color:blue"]]]
     let query = json!({
         "facetFilters": [["color:green", ["color:blue"]]]
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
     // "color:green"
     let query = json!({
         "facetFilters": "color:green"
     });
-    test_post_get_search!(server, query, |_response, status_code| assert_ne!(status_code, 202));
+    test_post_get_search!(server, query, |_response, status_code| assert_ne!(
+        status_code,
+        202
+    ));
 }
 
 #[actix_rt::test]
@@ -381,9 +392,8 @@ async fn placeholder_test_facet_count() {
     let mut server = common::Server::test_server().await;
 
     // test without facet distribution
-    let query = json!({
-    });
-    test_post_get_search!(server, query, |response, _status_code|{
+    let query = json!({});
+    test_post_get_search!(server, query, |response, _status_code| {
         assert!(response.get("exhaustiveFacetsCount").is_none());
         assert!(response.get("facetsDistribution").is_none());
     });
@@ -392,7 +402,7 @@ async fn placeholder_test_facet_count() {
     let query = json!({
         "facetsDistribution": ["color"]
     });
-    test_post_get_search!(server, query.clone(), |_response, status_code|{
+    test_post_get_search!(server, query.clone(), |_response, status_code| {
         assert_eq!(status_code, 400);
     });
 
@@ -401,52 +411,109 @@ async fn placeholder_test_facet_count() {
     });
     server.update_all_settings(body).await;
     // same as before, but now facets are set:
-    test_post_get_search!(server, query, |response, _status_code|{
+    test_post_get_search!(server, query, |response, _status_code| {
         println!("{}", response);
         assert!(response.get("exhaustiveFacetsCount").is_some());
-        assert_eq!(response.get("facetsDistribution").unwrap().as_object().unwrap().values().count(), 1);
+        assert_eq!(
+            response
+                .get("facetsDistribution")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            1
+        );
     });
     // searching on color and tags
     let query = json!({
         "facetsDistribution": ["color", "tags"]
     });
-    test_post_get_search!(server, query, |response, _status_code|{
-        let facets = response.get("facetsDistribution").unwrap().as_object().unwrap();
+    test_post_get_search!(server, query, |response, _status_code| {
+        let facets = response
+            .get("facetsDistribution")
+            .unwrap()
+            .as_object()
+            .unwrap();
         assert_eq!(facets.values().count(), 2);
-        assert_ne!(!facets.get("color").unwrap().as_object().unwrap().values().count(), 0);
-        assert_ne!(!facets.get("tags").unwrap().as_object().unwrap().values().count(), 0);
+        assert_ne!(
+            !facets
+                .get("color")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            0
+        );
+        assert_ne!(
+            !facets
+                .get("tags")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            0
+        );
     });
     // wildcard
     let query = json!({
         "facetsDistribution": ["*"]
     });
-    test_post_get_search!(server, query, |response, _status_code|{
-        assert_eq!(response.get("facetsDistribution").unwrap().as_object().unwrap().values().count(), 2);
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_eq!(
+            response
+                .get("facetsDistribution")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            2
+        );
     });
     // wildcard with other attributes:
     let query = json!({
         "facetsDistribution": ["color", "*"]
     });
-    test_post_get_search!(server, query, |response, _status_code|{
-        assert_eq!(response.get("facetsDistribution").unwrap().as_object().unwrap().values().count(), 2);
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_eq!(
+            response
+                .get("facetsDistribution")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            2
+        );
     });
 
     // empty facet list
     let query = json!({
         "facetsDistribution": []
     });
-    test_post_get_search!(server, query, |response, _status_code|{
-        assert_eq!(response.get("facetsDistribution").unwrap().as_object().unwrap().values().count(), 0);
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_eq!(
+            response
+                .get("facetsDistribution")
+                .unwrap()
+                .as_object()
+                .unwrap()
+                .values()
+                .count(),
+            0
+        );
     });
 
     // attr not set as facet passed:
     let query = json!({
         "facetsDistribution": ["gender"]
     });
-    test_post_get_search!(server, query, |_response, status_code|{
+    test_post_get_search!(server, query, |_response, status_code| {
         assert_eq!(status_code, 400);
     });
-
 }
 
 #[actix_rt::test]
@@ -475,13 +542,15 @@ async fn placeholder_test_sort() {
         "attributesForFaceting": ["color"]
     });
     server.update_all_settings(body).await;
-    let query = json!({ });
+    let query = json!({});
     test_post_get_search!(server, query, |response, _status_code| {
         let hits = response["hits"].as_array().unwrap();
-        hits.iter().map(|v| v["age"].as_u64().unwrap()).fold(0, |prev, cur| {
-            assert!(cur >= prev);
-            cur
-        });
+        hits.iter()
+            .map(|v| v["age"].as_u64().unwrap())
+            .fold(0, |prev, cur| {
+                assert!(cur >= prev);
+                cur
+            });
     });
 
     let query = json!({
@@ -489,9 +558,72 @@ async fn placeholder_test_sort() {
     });
     test_post_get_search!(server, query, |response, _status_code| {
         let hits = response["hits"].as_array().unwrap();
-        hits.iter().map(|v| v["age"].as_u64().unwrap()).fold(0, |prev, cur| {
-            assert!(cur >= prev);
-            cur
-        });
+        hits.iter()
+            .map(|v| v["age"].as_u64().unwrap())
+            .fold(0, |prev, cur| {
+                assert!(cur >= prev);
+                cur
+            });
     });
 }
+
+#[actix_rt::test]
+async fn placeholder_search_with_empty_query() {
+    let mut server = common::Server::test_server().await;
+
+    let query = json! ({
+        "q": "",
+        "limit": 3
+    });
+
+    test_post_get_search!(server, query, |response, status_code| {
+        eprintln!("{}", response);
+        assert_eq!(status_code, 200);
+        assert_eq!(response["hits"].as_array().unwrap().len(), 3);
+    });
+}
+
+#[actix_rt::test]
+async fn test_filter_nb_hits_search_placeholder() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+        "primaryKey": "id",
+    });
+
+    server.create_index(body).await;
+    let documents = json!([
+        {
+            "id": 1,
+            "content": "a",
+            "color": "green",
+            "size": 1,
+        },
+        {
+            "id": 2,
+            "content": "a",
+            "color": "green",
+            "size": 2,
+        },
+        {
+            "id": 3,
+            "content": "a",
+            "color": "blue",
+            "size": 3,
+        },
+    ]);
+
+    server.add_or_update_multiple_documents(documents).await;
+    let (response, _) = server.search_post(json!({})).await;
+    assert_eq!(response["nbHits"], 3);
+
+    server.update_distinct_attribute(json!("color")).await;
+
+    let (response, _) = server.search_post(json!({})).await;
+    assert_eq!(response["nbHits"], 2);
+
+    let (response, _) = server.search_post(json!({"filters": "size < 3"})).await;
+    println!("result: {}", response);
+    assert_eq!(response["nbHits"], 1);
+}

meilisearch-http/tests/search.rs

@@ -7,12 +7,11 @@ use serde_json::Value;
 #[macro_use] mod common;
 
 #[actix_rt::test]
-async fn search_with_limit() {
+async fn search() {
     let mut server = common::Server::test_server().await;
 
     let query = json! ({
-        "q": "exercitation",
-        "limit": 3
+        "q": "exercitation"
     });
 
     let expected = json!([
@@ -21,7 +20,7 @@ async fn search_with_limit() {
           "balance": "$1,706.13",
           "picture": "http://placehold.it/32x32",
           "age": 27,
-          "color": "green",
+          "color": "Green",
           "name": "Cherry Orr",
           "gender": "female",
           "email": "cherryorr@chorizon.com",
@@ -42,7 +41,141 @@ async fn search_with_limit() {
           "balance": "$1,921.58",
           "picture": "http://placehold.it/32x32",
           "age": 31,
-          "color": "green",
+          "color": "Green",
+          "name": "Harper Carson",
+          "gender": "male",
+          "email": "harpercarson@chorizon.com",
+          "phone": "+1 (912) 430-3243",
+          "address": "883 Dennett Place, Knowlton, New Mexico, 9219",
+          "about": "Exercitation minim esse proident cillum velit et deserunt incididunt adipisicing minim. Cillum Lorem consectetur laborum id consequat exercitation velit. Magna dolor excepteur sunt deserunt dolor ullamco non sint proident ipsum. Reprehenderit voluptate sit veniam consectetur ea sunt duis labore deserunt ipsum aute. Eiusmod aliqua anim voluptate id duis tempor aliqua commodo sunt. Do officia ea consectetur nostrud eiusmod laborum.\r\n",
+          "registered": "2019-12-07T07:33:15 -01:00",
+          "latitude": -60.812605,
+          "longitude": -27.129016,
+          "tags": [
+            "bug",
+            "new issue"
+          ],
+          "isActive": true
+        },
+        {
+          "id": 49,
+          "balance": "$1,476.39",
+          "picture": "http://placehold.it/32x32",
+          "age": 28,
+          "color": "brown",
+          "name": "Maureen Dale",
+          "gender": "female",
+          "email": "maureendale@chorizon.com",
+          "phone": "+1 (984) 538-3684",
+          "address": "817 Newton Street, Bannock, Wyoming, 1468",
+          "about": "Tempor mollit exercitation excepteur cupidatat reprehenderit ad ex. Nulla laborum proident incididunt quis. Esse laborum deserunt qui anim. Sunt incididunt pariatur cillum anim proident eu ullamco dolor excepteur. Ullamco amet culpa nostrud adipisicing duis aliqua consequat duis non eu id mollit velit. Deserunt ullamco amet in occaecat.\r\n",
+          "registered": "2018-04-26T06:04:40 -02:00",
+          "latitude": -64.196802,
+          "longitude": -117.396238,
+          "tags": [
+            "wontfix"
+          ],
+          "isActive": true
+        }
+    ]);
+
+    test_post_get_search!(server, query, |response, _status_code| {
+        let hits = response["hits"].as_array().unwrap();
+        let hits: Vec<Value> = hits.iter().cloned().take(3).collect();
+        assert_json_eq!(expected.clone(), serde_json::to_value(hits).unwrap(), ordered: false);
+    });
+}
+
+#[actix_rt::test]
+async fn search_no_params() {
+    let mut server = common::Server::test_server().await;
+
+    let query = json! ({});
+
+    // an empty search should return the 20 first indexed document
+    let dataset: Vec<Value> = serde_json::from_slice(include_bytes!("assets/test_set.json")).unwrap();
+    let expected: Vec<Value> = dataset.into_iter().take(20).collect();
+    let expected: Value = serde_json::to_value(expected).unwrap();
+
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_json_eq!(expected.clone(), response["hits"].clone(), ordered: false);
+    });
+}
+
+#[actix_rt::test]
+async fn search_in_unexisting_index() {
+    let mut server = common::Server::with_uid("test");
+
+    let query = json! ({
+        "q": "exercitation"
+    });
+
+    let expected = json! ({
+        "message": "Index test not found",
+        "errorCode": "index_not_found",
+        "errorType": "invalid_request_error",
+        "errorLink": "https://docs.meilisearch.com/errors#index_not_found"
+      });
+
+    test_post_get_search!(server, query, |response, status_code| {
+        assert_eq!(404, status_code);
+        assert_json_eq!(expected.clone(), response.clone(), ordered: false);
+    });
+}
+
+#[actix_rt::test]
+async fn search_unexpected_params() {
+
+    let query = json! ({"lol": "unexpected"});
+
+    let expected = "unknown field `lol`, expected one of `q`, `offset`, `limit`, `attributesToRetrieve`, `attributesToCrop`, `cropLength`, `attributesToHighlight`, `filters`, `matches`, `facetFilters`, `facetsDistribution` at line 1 column 6";
+
+    let post_query = serde_json::from_str::<meilisearch_http::routes::search::SearchQueryPost>(&query.to_string());
+    assert!(post_query.is_err());
+    assert_eq!(expected, post_query.err().unwrap().to_string());
+
+    let get_query: Result<meilisearch_http::routes::search::SearchQuery, _> = serde_json::from_str(&query.to_string());
+    assert!(get_query.is_err());
+    assert_eq!(expected, get_query.err().unwrap().to_string());
+}
+
+#[actix_rt::test]
+async fn search_with_limit() {
+    let mut server = common::Server::test_server().await;
+
+    let query = json! ({
+        "q": "exercitation",
+        "limit": 3
+    });
+
+    let expected = json!([
+        {
+          "id": 1,
+          "balance": "$1,706.13",
+          "picture": "http://placehold.it/32x32",
+          "age": 27,
+          "color": "Green",
+          "name": "Cherry Orr",
+          "gender": "female",
+          "email": "cherryorr@chorizon.com",
+          "phone": "+1 (995) 479-3174",
+          "address": "442 Beverly Road, Ventress, New Mexico, 3361",
+          "about": "Exercitation officia mollit proident nostrud ea. Pariatur voluptate labore nostrud magna duis non elit et incididunt Lorem velit duis amet commodo. Irure in velit laboris pariatur. Do tempor ex deserunt duis minim amet.\r\n",
+          "registered": "2020-03-18T11:12:21 -01:00",
+          "latitude": -24.356932,
+          "longitude": 27.184808,
+          "tags": [
+            "new issue",
+            "bug"
+          ],
+          "isActive": true
+        },
+        {
+          "id": 59,
+          "balance": "$1,921.58",
+          "picture": "http://placehold.it/32x32",
+          "age": 31,
+          "color": "Green",
           "name": "Harper Carson",
           "gender": "male",
           "email": "harpercarson@chorizon.com",
@@ -101,7 +234,7 @@ async fn search_with_offset() {
           "balance": "$1,921.58",
           "picture": "http://placehold.it/32x32",
           "age": 31,
-          "color": "green",
+          "color": "Green",
           "name": "Harper Carson",
           "gender": "male",
           "email": "harpercarson@chorizon.com",
@@ -142,7 +275,7 @@ async fn search_with_offset() {
           "balance": "$2,668.55",
           "picture": "http://placehold.it/32x32",
           "age": 36,
-          "color": "green",
+          "color": "Green",
           "name": "Lucas Hess",
           "gender": "male",
           "email": "lucashess@chorizon.com",
@@ -181,7 +314,7 @@ async fn search_with_attribute_to_highlight_wildcard() {
           "balance": "$1,706.13",
           "picture": "http://placehold.it/32x32",
           "age": 27,
-          "color": "green",
+          "color": "Green",
           "name": "Cherry Orr",
           "gender": "female",
           "email": "cherryorr@chorizon.com",
@@ -201,7 +334,7 @@ async fn search_with_attribute_to_highlight_wildcard() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "<em>Cherry</em> Orr",
             "gender": "female",
             "email": "<em>cherry</em>orr@chorizon.com",
@@ -225,6 +358,66 @@ async fn search_with_attribute_to_highlight_wildcard() {
     });
 }
 
+#[actix_rt::test]
+async fn search_with_attribute_to_highlight_wildcard_chinese() {
+    let mut server = common::Server::test_server().await;
+
+    let query = json!({
+        "q": "子孙",
+        "limit": 1,
+        "attributesToHighlight": ["*"]
+    });
+
+    let expected = json!([
+        {
+            "id": 77,
+            "isActive": false,
+            "balance": "$1,274.29",
+            "picture": "http://placehold.it/32x32",
+            "age": 25,
+            "color": "Red",
+            "name": "孫武",
+            "gender": "male",
+            "email": "SunTzu@chorizon.com",
+            "phone": "+1 (810) 407-3258",
+            "address": "吴國",
+            "about": "孫武（前544年－前470年或前496年），字長卿，春秋時期齊國人，著名軍事家、政治家，兵家代表人物。兵書《孫子兵法》的作者，後人尊稱為孫子、兵聖、東方兵聖，山東、蘇州等地尚有祀奉孫武的廟宇兵聖廟。其族人为樂安孫氏始祖，次子孙明为富春孫氏始祖。\r\n",
+            "registered": "2014-10-20T10:13:32 -02:00",
+            "latitude": 17.11935,
+            "longitude": 65.38197,
+            "tags": [
+              "new issue",
+              "wontfix"
+            ],
+          "_formatted": {
+            "id": 77,
+            "isActive": false,
+            "balance": "$1,274.29",
+            "picture": "http://placehold.it/32x32",
+            "age": 25,
+            "color": "Red",
+            "name": "<em>孫武</em>",
+            "gender": "male",
+            "email": "SunTzu@chorizon.com",
+            "phone": "+1 (810) 407-3258",
+            "address": "吴國",
+            "about": "<em>孫武</em>（前544年－前470年或前496年），字長卿，春秋時期齊國人，著名軍事家、政治家，兵家代表人物。兵書《<em>孫子</em>兵法》的作者，後人尊稱為<em>孫子</em>、兵聖、東方兵聖，山東、蘇州等地尚有祀奉<em>孫武</em>的廟宇兵聖廟。其族人为樂安<em>孫氏</em>始祖，次<em>子孙</em>明为富春孫氏始祖。\r\n",
+            "registered": "2014-10-20T10:13:32 -02:00",
+            "latitude": 17.11935,
+            "longitude": 65.38197,
+            "tags": [
+              "new issue",
+              "wontfix"
+            ]
+          }
+        }
+    ]);
+
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_json_eq!(expected.clone(), response["hits"].clone(), ordered: false);
+    });
+}
+
 #[actix_rt::test]
 async fn search_with_attribute_to_highlight_1() {
     let mut server = common::Server::test_server().await;
@@ -241,7 +434,7 @@ async fn search_with_attribute_to_highlight_1() {
           "balance": "$1,706.13",
           "picture": "http://placehold.it/32x32",
           "age": 27,
-          "color": "green",
+          "color": "Green",
           "name": "Cherry Orr",
           "gender": "female",
           "email": "cherryorr@chorizon.com",
@@ -261,7 +454,7 @@ async fn search_with_attribute_to_highlight_1() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "<em>Cherry</em> Orr",
             "gender": "female",
             "email": "cherryorr@chorizon.com",
@@ -301,7 +494,7 @@ async fn search_with_matches() {
           "balance": "$1,706.13",
           "picture": "http://placehold.it/32x32",
           "age": 27,
-          "color": "green",
+          "color": "Green",
           "name": "Cherry Orr",
           "gender": "female",
           "email": "cherryorr@chorizon.com",
@@ -355,7 +548,7 @@ async fn search_with_crop() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "Cherry Orr",
             "gender": "female",
             "email": "cherryorr@chorizon.com",
@@ -375,7 +568,7 @@ async fn search_with_crop() {
               "balance": "$1,706.13",
               "picture": "http://placehold.it/32x32",
               "age": 27,
-              "color": "green",
+              "color": "Green",
               "name": "Cherry Orr",
               "gender": "female",
               "email": "cherryorr@chorizon.com",
@@ -413,7 +606,7 @@ async fn search_with_attributes_to_retrieve() {
       {
           "name": "Cherry Orr",
           "age": 27,
-          "color": "green",
+          "color": "Green",
           "gender": "female"
       }
     ]);
@@ -421,6 +614,16 @@ async fn search_with_attributes_to_retrieve() {
     test_post_get_search!(server, query, |response, _status_code| {
         assert_json_eq!(expected.clone(), response["hits"].clone(), ordered: false);
     });
+
+    let query = json!({
+        "q": "cherry",
+        "limit": 1,
+        "attributesToRetrieve": [],
+    });
+
+    test_post_get_search!(server, query, |response, _status_code| {
+        assert_json_eq!(json!([{}]), response["hits"].clone(), ordered: false);
+    });
 }
 
 #[actix_rt::test]
@@ -440,7 +643,7 @@ async fn search_with_attributes_to_retrieve_wildcard() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "Cherry Orr",
             "gender": "female",
             "email": "cherryorr@chorizon.com",
@@ -478,7 +681,7 @@ async fn search_with_filter() {
             "balance": "$1,921.58",
             "picture": "http://placehold.it/32x32",
             "age": 31,
-            "color": "green",
+            "color": "Green",
             "name": "Harper Carson",
             "gender": "male",
             "email": "harpercarson@chorizon.com",
@@ -499,7 +702,7 @@ async fn search_with_filter() {
             "balance": "$2,668.55",
             "picture": "http://placehold.it/32x32",
             "age": 36,
-            "color": "green",
+            "color": "Green",
             "name": "Lucas Hess",
             "gender": "male",
             "email": "lucashess@chorizon.com",
@@ -547,7 +750,7 @@ async fn search_with_filter() {
             "balance": "$2,668.55",
             "picture": "http://placehold.it/32x32",
             "age": 36,
-            "color": "green",
+            "color": "Green",
             "name": "Lucas Hess",
             "gender": "male",
             "email": "lucashess@chorizon.com",
@@ -601,7 +804,7 @@ async fn search_with_filter() {
             "balance": "$1,913.42",
             "picture": "http://placehold.it/32x32",
             "age": 24,
-            "color": "green",
+            "color": "Green",
             "name": "Emma Jacobs",
             "gender": "female",
             "email": "emmajacobs@chorizon.com",
@@ -705,7 +908,7 @@ async fn search_with_filter() {
             "balance": "$1,921.58",
             "picture": "http://placehold.it/32x32",
             "age": 31,
-            "color": "green",
+            "color": "Green",
             "name": "Harper Carson",
             "gender": "male",
             "email": "harpercarson@chorizon.com",
@@ -726,7 +929,7 @@ async fn search_with_filter() {
             "balance": "$2,668.55",
             "picture": "http://placehold.it/32x32",
             "age": 36,
-            "color": "green",
+            "color": "Green",
             "name": "Lucas Hess",
             "gender": "male",
             "email": "lucashess@chorizon.com",
@@ -779,7 +982,7 @@ async fn search_with_filter() {
             "balance": "$1,351.43",
             "picture": "http://placehold.it/32x32",
             "age": 28,
-            "color": "green",
+            "color": "Green",
             "name": "Evans Wagner",
             "gender": "male",
             "email": "evanswagner@chorizon.com",
@@ -823,7 +1026,7 @@ async fn search_with_attributes_to_highlight_and_matches() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "Cherry Orr",
             "gender": "female",
             "email": "cherryorr@chorizon.com",
@@ -843,7 +1046,7 @@ async fn search_with_attributes_to_highlight_and_matches() {
                 "balance": "$1,706.13",
                 "picture": "http://placehold.it/32x32",
                 "age": 27,
-                "color": "green",
+                "color": "Green",
                 "name": "<em>Cherry</em> Orr",
                 "gender": "female",
                 "email": "<em>cherry</em>orr@chorizon.com",
@@ -900,7 +1103,7 @@ async fn search_with_attributes_to_highlight_and_matches_and_crop() {
             "balance": "$1,706.13",
             "picture": "http://placehold.it/32x32",
             "age": 27,
-            "color": "green",
+            "color": "Green",
             "name": "Cherry Orr",
             "gender": "female",
             "email": "cherryorr@chorizon.com",
@@ -920,7 +1123,7 @@ async fn search_with_attributes_to_highlight_and_matches_and_crop() {
                 "balance": "$1,706.13",
                 "picture": "http://placehold.it/32x32",
                 "age": 27,
-                "color": "green",
+                "color": "Green",
                 "name": "Cherry Orr",
                 "gender": "female",
                 "email": "cherryorr@chorizon.com",
@@ -1223,7 +1426,7 @@ async fn test_faceted_search_valid() {
             .as_array()
             .unwrap()
             .iter()
-            .all(|value| value.get("color").unwrap() == "green"));
+            .all(|value| value.get("color").unwrap() == "Green"));
     });
 
     let query = json!({
@@ -1318,7 +1521,7 @@ async fn test_faceted_search_valid() {
                 .unwrap() == "blue"
                 || value
                 .get("color")
-                .unwrap() == "green"));
+                .unwrap() == "Green"));
     });
     // test and-or: ["tags:bug", ["color:blue", "color:green"]]
     let query = json!({
@@ -1345,7 +1548,7 @@ async fn test_faceted_search_valid() {
                     .unwrap() == "blue"
                     || value
                     .get("color")
-                    .unwrap() == "green")));
+                    .unwrap() == "Green")));
 
     });
 }
@@ -1469,6 +1672,14 @@ async fn test_facet_count() {
         println!("{}", response);
         assert!(response.get("exhaustiveFacetsCount").is_some());
         assert_eq!(response.get("facetsDistribution").unwrap().as_object().unwrap().values().count(), 1);
+        // assert that case is preserved
+        assert!(response["facetsDistribution"]
+            .as_object()
+            .unwrap()["color"]
+            .as_object()
+            .unwrap()
+            .get("Green")
+            .is_some());
     });
     // searching on color and tags
     let query = json!({
@@ -1638,8 +1849,6 @@ async fn update_documents_with_facet_distribution() {
     server.create_index(body).await;
     let settings = json!({
         "attributesForFaceting": ["genre"],
-        "displayedAttributes": ["genre"],
-        "searchableAttributes": ["genre"]
     });
     server.update_all_settings(settings).await;
     let update1 = json!([
@@ -1688,3 +1897,51 @@ async fn update_documents_with_facet_distribution() {
     let (response2, _) = server.search_post(search).await;
     assert_json_eq!(expected_facet_distribution, response2["facetsDistribution"].clone());
 }
+
+#[actix_rt::test]
+async fn test_filter_nb_hits_search_normal() {
+    let mut server = common::Server::with_uid("test");
+
+    let body = json!({
+        "uid": "test",
+        "primaryKey": "id",
+    });
+
+    server.create_index(body).await;
+    let documents = json!([
+        {
+            "id": 1,
+            "content": "a",
+            "color": "green",
+            "size": 1,
+        },
+        {
+            "id": 2,
+            "content": "a",
+            "color": "green",
+            "size": 2,
+        },
+        {
+            "id": 3,
+            "content": "a",
+            "color": "blue",
+            "size": 3,
+        },
+    ]);
+
+    server.add_or_update_multiple_documents(documents).await;
+    let (response, _) = server.search_post(json!({"q": "a"})).await;
+    assert_eq!(response["nbHits"], 3);
+
+    let (response, _) = server.search_post(json!({"q": "a", "filters": "size = 1"})).await;
+    assert_eq!(response["nbHits"], 1);
+
+    server.update_distinct_attribute(json!("color")).await;
+
+    let (response, _) = server.search_post(json!({"q": "a"})).await;
+    assert_eq!(response["nbHits"], 2);
+
+    let (response, _) = server.search_post(json!({"q": "a", "filters": "size < 3"})).await;
+    println!("result: {}", response);
+    assert_eq!(response["nbHits"], 1);
+}

meilisearch-http/tests/search_settings.rs

@@ -130,7 +130,7 @@ async fn search_with_settings_stop_words() {
       {
         "balance": "$1,921.58",
         "age": 31,
-        "color": "green",
+        "color": "Green",
         "name": "Harper Carson",
         "gender": "male",
         "email": "harpercarson@chorizon.com",
@@ -140,7 +140,7 @@ async fn search_with_settings_stop_words() {
       {
         "balance": "$1,706.13",
         "age": 27,
-        "color": "green",
+        "color": "Green",
         "name": "Cherry Orr",
         "gender": "female",
         "email": "cherryorr@chorizon.com",
@@ -213,7 +213,7 @@ async fn search_with_settings_synonyms() {
       {
         "balance": "$1,921.58",
         "age": 31,
-        "color": "green",
+        "color": "Green",
         "name": "Harper Carson",
         "gender": "male",
         "email": "harpercarson@chorizon.com",
@@ -223,7 +223,7 @@ async fn search_with_settings_synonyms() {
       {
         "balance": "$1,706.13",
         "age": 27,
-        "color": "green",
+        "color": "Green",
         "name": "Cherry Orr",
         "gender": "female",
         "email": "cherryorr@chorizon.com",
@@ -292,7 +292,7 @@ async fn search_with_settings_ranking_rules() {
       {
         "balance": "$1,921.58",
         "age": 31,
-        "color": "green",
+        "color": "Green",
         "name": "Harper Carson",
         "gender": "male",
         "email": "harpercarson@chorizon.com",
@@ -302,7 +302,7 @@ async fn search_with_settings_ranking_rules() {
       {
         "balance": "$1,706.13",
         "age": 27,
-        "color": "green",
+        "color": "Green",
         "name": "Cherry Orr",
         "gender": "female",
         "email": "cherryorr@chorizon.com",
@@ -438,7 +438,7 @@ async fn search_with_settings_displayed_attributes() {
     let expect = json!([
       {
         "age": 31,
-        "color": "green",
+        "color": "Green",
         "name": "Harper Carson",
         "gender": "male",
         "email": "harpercarson@chorizon.com",
@@ -446,7 +446,7 @@ async fn search_with_settings_displayed_attributes() {
       },
       {
         "age": 27,
-        "color": "green",
+        "color": "Green",
         "name": "Cherry Orr",
         "gender": "female",
         "email": "cherryorr@chorizon.com",

meilisearch-http/tests/settings.rs

@@ -468,3 +468,56 @@ async fn settings_that_contains_wildcard_is_wildcard() {
     assert_eq!(response["searchableAttributes"].as_array().unwrap()[0], "*");
     assert_eq!(response["displayedAttributes"].as_array().unwrap()[0], "*");
 }
+
+#[actix_rt::test]
+async fn test_displayed_attributes_field() {
+    let mut server = common::Server::test_server().await;
+
+    let body = json!({
+        "rankingRules": [
+            "typo",
+            "words",
+            "proximity",
+            "attribute",
+            "wordsPosition",
+            "exactness",
+            "desc(registered)",
+            "desc(age)",
+        ],
+        "distinctAttribute": "id",
+        "searchableAttributes": [
+            "id",
+            "name",
+            "color",
+            "gender",
+            "email",
+            "phone",
+            "address",
+            "registered",
+            "about"
+        ],
+        "displayedAttributes": [
+            "age",
+            "email",
+            "gender",
+            "name",
+            "registered",
+        ],
+        "stopWords": [
+            "ad",
+            "in",
+            "ut",
+        ],
+        "synonyms": {
+            "road": ["avenue", "street"],
+            "street": ["avenue"],
+        },
+        "attributesForFaceting": ["name"],
+    });
+
+    server.update_all_settings(body.clone()).await;
+
+    let (response, _status_code) = server.get_all_settings().await;
+
+    assert_json_eq!(body, response, ordered: true);
+}

meilisearch-schema/Cargo.toml

@@ -1,13 +1,13 @@
 [package]
 name = "meilisearch-schema"
-version = "0.13.0"
+version = "0.18.1"
 license = "MIT"
 authors = ["Kerollmops <renault.cle@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-indexmap = { version = "1.3.2", features = ["serde-1"] }
-meilisearch-error = { path = "../meilisearch-error", version = "0.13.0" }
-serde = { version = "1.0.105", features = ["derive"] }
-serde_json = { version = "1.0.50", features = ["preserve_order"] }
+indexmap = { version = "1.6.1", features = ["serde-1"] }
+meilisearch-error = { path = "../meilisearch-error", version = "0.18.1" }
+serde = { version = "1.0.118", features = ["derive"] }
+serde_json = { version = "1.0.61", features = ["preserve_order"] }
 zerocopy = "0.3.0"

meilisearch-schema/src/error.rs

@@ -16,7 +16,7 @@ impl fmt::Display for Error {
         use self::Error::*;
         match self {
             FieldNameNotFound(field) => write!(f, "The field {:?} doesn't exist", field),
-            PrimaryKeyAlreadyPresent => write!(f, "The schema already have an primary key. It's impossible to update it"),
+            PrimaryKeyAlreadyPresent => write!(f, "A primary key is already present. It's impossible to update it"),
             MaxFieldsLimitExceeded => write!(f, "The maximum of possible reattributed field id has been reached"),
         }
     }

meilisearch-schema/src/fields_map.rs

@@ -6,22 +6,14 @@ use serde::{Deserialize, Serialize};
 use crate::{SResult, FieldId};
 
 #[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub struct FieldsMap {
+pub(crate) struct FieldsMap {
     name_map: HashMap<String, FieldId>,
     id_map: HashMap<FieldId, String>,
     next_id: FieldId
 }
 
 impl FieldsMap {
-    pub fn len(&self) -> usize {
-        self.name_map.len()
-    }
-
-    pub fn is_empty(&self) -> bool {
-        self.name_map.is_empty()
-    }
-
-    pub fn insert(&mut self, name: &str) -> SResult<FieldId> {
+    pub(crate) fn insert(&mut self, name: &str) -> SResult<FieldId> {
         if let Some(id) = self.name_map.get(name) {
             return Ok(*id)
         }
@@ -32,22 +24,15 @@ impl FieldsMap {
         Ok(id)
     }
 
-    pub fn remove(&mut self, name: &str) {
-        if let Some(id) = self.name_map.get(name) {
-            self.id_map.remove(&id);
-        }
-        self.name_map.remove(name);
-    }
-
-    pub fn id(&self, name: &str) -> Option<FieldId> {
+    pub(crate) fn id(&self, name: &str) -> Option<FieldId> {
         self.name_map.get(name).copied()
     }
 
-    pub fn name<I: Into<FieldId>>(&self, id: I) -> Option<&str> {
+    pub(crate) fn name<I: Into<FieldId>>(&self, id: I) -> Option<&str> {
         self.id_map.get(&id.into()).map(|s| s.as_str())
     }
 
-    pub fn iter(&self) -> Iter<'_, String, FieldId> {
+    pub(crate) fn iter(&self) -> Iter<'_, String, FieldId> {
         self.name_map.iter()
     }
 }
@@ -69,14 +54,10 @@ mod tests {
         assert_eq!(fields_map.id("title"), Some(1.into()));
         assert_eq!(fields_map.id("descritpion"), Some(2.into()));
         assert_eq!(fields_map.id("date"), None);
-        assert_eq!(fields_map.len(), 3);
         assert_eq!(fields_map.name(0), Some("id"));
         assert_eq!(fields_map.name(1), Some("title"));
         assert_eq!(fields_map.name(2), Some("descritpion"));
         assert_eq!(fields_map.name(4), None);
-        fields_map.remove("title");
-        assert_eq!(fields_map.id("title"), None);
-        assert_eq!(fields_map.insert("title").unwrap(), 3.into());
-        assert_eq!(fields_map.len(), 3);
+        assert_eq!(fields_map.insert("title").unwrap(), 1.into());
     }
 }

meilisearch-schema/src/lib.rs

@@ -1,9 +1,10 @@
 mod error;
 mod fields_map;
 mod schema;
+mod position_map;
 
 pub use error::{Error, SResult};
-pub use fields_map::FieldsMap;
+use fields_map::FieldsMap;
 pub use schema::Schema;
 use serde::{Deserialize, Serialize};
 use zerocopy::{AsBytes, FromBytes};

meilisearch-schema/src/position_map.rs

@@ -0,0 +1,161 @@
+use std::collections::BTreeMap;
+
+use crate::{FieldId, IndexedPos};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
+pub struct PositionMap {
+    pos_to_field: Vec<FieldId>,
+    field_to_pos: BTreeMap<FieldId, IndexedPos>,
+}
+
+impl PositionMap {
+    /// insert `id` at the specified `position` updating the other position if a shift is caused by
+    /// the operation. If `id` is already present in the position map, it is moved to the requested
+    /// `position`, potentially causing shifts.
+    pub fn insert(&mut self, id: FieldId, position: IndexedPos) -> IndexedPos {
+        let mut upos = position.0 as usize;
+        let mut must_rebuild_map = false;
+
+        if let Some(old_pos) = self.field_to_pos.get(&id) {
+            let uold_pos = old_pos.0 as usize;
+            self.pos_to_field.remove(uold_pos);
+            must_rebuild_map = true;
+        }
+
+        if upos < self.pos_to_field.len() {
+            self.pos_to_field.insert(upos, id);
+            must_rebuild_map = true;
+        } else {
+            upos = self.pos_to_field.len();
+            self.pos_to_field.push(id);
+        }
+
+        // we only need to update all the positions if there have been a shift a some point. In
+        // most cases we only did a push, so we don't need to rebuild the `field_to_pos` map.
+        if must_rebuild_map {
+            self.field_to_pos.clear();
+            self.field_to_pos.extend(
+                self.pos_to_field
+                .iter()
+                .enumerate()
+                .map(|(p, f)| (*f, IndexedPos(p as u16))),
+            );
+        } else {
+            self.field_to_pos.insert(id, IndexedPos(upos as u16));
+        }
+        IndexedPos(upos as u16)
+    }
+
+    /// Pushes `id` in last position
+    pub fn push(&mut self, id: FieldId) -> IndexedPos {
+        let pos = self.len();
+        self.insert(id, IndexedPos(pos as u16))
+    }
+
+    pub fn len(&self) -> usize {
+        self.pos_to_field.len()
+    }
+
+    pub fn field_to_pos(&self, id: FieldId) -> Option<IndexedPos> {
+        self.field_to_pos.get(&id).cloned()
+    }
+
+    pub fn pos_to_field(&self, pos: IndexedPos) -> Option<FieldId> {
+        let pos = pos.0 as usize;
+        self.pos_to_field.get(pos).cloned()
+    }
+
+    pub fn field_pos(&self) -> impl Iterator<Item = (FieldId, IndexedPos)> + '_ {
+        self.pos_to_field
+            .iter()
+            .enumerate()
+            .map(|(i, f)| (*f, IndexedPos(i as u16)))
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_default() {
+        assert_eq!(
+            format!("{:?}", PositionMap::default()),
+            r##"PositionMap { pos_to_field: [], field_to_pos: {} }"##
+        );
+    }
+
+    #[test]
+    fn test_insert() {
+        let mut map = PositionMap::default();
+        // changing position removes from old position
+        map.insert(0.into(), 0.into());
+        map.insert(1.into(), 1.into());
+        assert_eq!(
+            format!("{:?}", map),
+            r##"PositionMap { pos_to_field: [FieldId(0), FieldId(1)], field_to_pos: {FieldId(0): IndexedPos(0), FieldId(1): IndexedPos(1)} }"##
+        );
+        map.insert(0.into(), 1.into());
+        assert_eq!(
+            format!("{:?}", map),
+            r##"PositionMap { pos_to_field: [FieldId(1), FieldId(0)], field_to_pos: {FieldId(0): IndexedPos(1), FieldId(1): IndexedPos(0)} }"##
+        );
+        map.insert(2.into(), 1.into());
+        assert_eq!(
+            format!("{:?}", map),
+            r##"PositionMap { pos_to_field: [FieldId(1), FieldId(2), FieldId(0)], field_to_pos: {FieldId(0): IndexedPos(2), FieldId(1): IndexedPos(0), FieldId(2): IndexedPos(1)} }"##
+        );
+    }
+
+    #[test]
+    fn test_push() {
+        let mut map = PositionMap::default();
+        map.push(0.into());
+        map.push(2.into());
+        assert_eq!(map.len(), 2);
+        assert_eq!(
+            format!("{:?}", map),
+            r##"PositionMap { pos_to_field: [FieldId(0), FieldId(2)], field_to_pos: {FieldId(0): IndexedPos(0), FieldId(2): IndexedPos(1)} }"##
+        );
+    }
+
+    #[test]
+    fn test_field_to_pos() {
+        let mut map = PositionMap::default();
+        map.push(0.into());
+        map.push(2.into());
+        assert_eq!(map.field_to_pos(2.into()), Some(1.into()));
+        assert_eq!(map.field_to_pos(0.into()), Some(0.into()));
+        assert_eq!(map.field_to_pos(4.into()), None);
+    }
+
+    #[test]
+    fn test_pos_to_field() {
+        let mut map = PositionMap::default();
+        map.push(0.into());
+        map.push(2.into());
+        map.push(3.into());
+        map.push(4.into());
+        assert_eq!(
+            format!("{:?}", map),
+            r##"PositionMap { pos_to_field: [FieldId(0), FieldId(2), FieldId(3), FieldId(4)], field_to_pos: {FieldId(0): IndexedPos(0), FieldId(2): IndexedPos(1), FieldId(3): IndexedPos(2), FieldId(4): IndexedPos(3)} }"##
+        );
+        assert_eq!(map.pos_to_field(0.into()), Some(0.into()));
+        assert_eq!(map.pos_to_field(1.into()), Some(2.into()));
+        assert_eq!(map.pos_to_field(2.into()), Some(3.into()));
+        assert_eq!(map.pos_to_field(3.into()), Some(4.into()));
+        assert_eq!(map.pos_to_field(4.into()), None);
+    }
+
+    #[test]
+    fn test_field_pos() {
+        let mut map = PositionMap::default();
+        map.push(0.into());
+        map.push(2.into());
+        let mut iter = map.field_pos();
+        assert_eq!(iter.next(), Some((0.into(), 0.into())));
+        assert_eq!(iter.next(), Some((2.into(), 1.into())));
+        assert_eq!(iter.next(), None);
+    }
+}

meilisearch-schema/src/schema.rs

@@ -1,42 +1,10 @@
-use crate::{FieldsMap, FieldId, SResult, Error, IndexedPos};
-use serde::{Serialize, Deserialize};
-use std::collections::{HashMap, HashSet};
 use std::borrow::Cow;
+use std::collections::{BTreeSet, HashSet};
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
-enum OptionAll<T> {
-    All,
-    Some(T),
-    None,
-}
+use serde::{Deserialize, Serialize};
 
-impl<T> OptionAll<T> {
-    // replace the value with None and return the previous value
-    fn take(&mut self) -> OptionAll<T> {
-        std::mem::replace(self, OptionAll::None)
-    }
-
-    fn map<U, F: FnOnce(T) -> U>(self, f: F) -> OptionAll<U> {
-        match self {
-            OptionAll::Some(x) => OptionAll::Some(f(x)),
-            OptionAll::All => OptionAll::All,
-            OptionAll::None => OptionAll::None,
-        }
-    }
-
-    pub fn is_all(&self) -> bool {
-        match self {
-            OptionAll::All => true,
-            _ => false,
-        }
-    }
-}
-
-impl<T> Default for OptionAll<T> {
-    fn default() -> OptionAll<T> {
-        OptionAll::All
-    }
-}
+use crate::position_map::PositionMap;
+use crate::{Error, FieldId, FieldsMap, IndexedPos, SResult};
 
 #[derive(Clone, Debug, Serialize, Deserialize, Default)]
 pub struct Schema {
@@ -44,34 +12,26 @@ pub struct Schema {
 
     primary_key: Option<FieldId>,
     ranked: HashSet<FieldId>,
-    displayed: OptionAll<HashSet<FieldId>>,
+    displayed: Option<BTreeSet<FieldId>>,
 
-    indexed: OptionAll<Vec<FieldId>>,
-    indexed_map: HashMap<FieldId, IndexedPos>,
+    searchable: Option<Vec<FieldId>>,
+    pub indexed_position: PositionMap,
 }
 
 impl Schema {
-    pub fn new() -> Schema {
-        Schema::default()
-    }
-
     pub fn with_primary_key(name: &str) -> Schema {
         let mut fields_map = FieldsMap::default();
         let field_id = fields_map.insert(name).unwrap();
-
-        let mut displayed = HashSet::new();
-        let mut indexed_map = HashMap::new();
-
-        displayed.insert(field_id);
-        indexed_map.insert(field_id, 0.into());
+        let mut indexed_position = PositionMap::default();
+        indexed_position.push(field_id);
 
         Schema {
             fields_map,
             primary_key: Some(field_id),
             ranked: HashSet::new(),
-            displayed: OptionAll::All,
-            indexed: OptionAll::All,
-            indexed_map,
+            displayed: None,
+            searchable: None,
+            indexed_position,
         }
     }
 
@@ -81,13 +41,11 @@ impl Schema {
 
     pub fn set_primary_key(&mut self, name: &str) -> SResult<FieldId> {
         if self.primary_key.is_some() {
-            return Err(Error::PrimaryKeyAlreadyPresent)
+            return Err(Error::PrimaryKeyAlreadyPresent);
         }
 
         let id = self.insert(name)?;
         self.primary_key = Some(id);
-        self.set_indexed(name)?;
-        self.set_displayed(name)?;
 
         Ok(id)
     }
@@ -104,202 +62,98 @@ impl Schema {
         self.fields_map.iter().map(|(k, _)| k.as_ref())
     }
 
-    pub fn contains(&self, name: &str) -> bool {
-        self.fields_map.id(name).is_some()
-    }
-
+    /// add `name` to the list of known fields
     pub fn insert(&mut self, name: &str) -> SResult<FieldId> {
         self.fields_map.insert(name)
     }
 
-    pub fn insert_and_index(&mut self, name: &str) -> SResult<FieldId> {
-        match self.fields_map.id(name) {
-            Some(id) => {
-                Ok(id)
-            }
-            None => {
-                self.set_indexed(name)?;
-                self.set_displayed(name)
-            }
-        }
+    /// Adds `name` to the list of known fields, and in the last position of the indexed_position map. This
+    /// field is taken into acccount when `searchableAttribute` or `displayedAttributes` is set to `"*"`
+    pub fn insert_with_position(&mut self, name: &str) -> SResult<(FieldId, IndexedPos)> {
+        let field_id = self.fields_map.insert(name)?;
+        let position = self
+            .is_searchable(field_id)
+            .unwrap_or_else(|| self.indexed_position.push(field_id));
+        Ok((field_id, position))
     }
 
     pub fn ranked(&self) -> &HashSet<FieldId> {
         &self.ranked
     }
 
-    pub fn ranked_name(&self) -> HashSet<&str> {
-        self.ranked.iter().filter_map(|a| self.name(*a)).collect()
-    }
-
-    pub fn displayed(&self) -> Cow<HashSet<FieldId>> {
-        match self.displayed {
-            OptionAll::Some(ref v) => Cow::Borrowed(v),
-            OptionAll::All => {
-                let fields = self
-                    .fields_map
-                    .iter()
-                    .map(|(_, &v)| v)
-                    .collect::<HashSet<_>>();
-                Cow::Owned(fields)
-            }
-            OptionAll::None => Cow::Owned(HashSet::new())
+    fn displayed(&self) -> Cow<BTreeSet<FieldId>> {
+        match &self.displayed {
+            Some(displayed) => Cow::Borrowed(displayed),
+            None => Cow::Owned(self.indexed_position.field_pos().map(|(f, _)| f).collect()),
         }
     }
 
     pub fn is_displayed_all(&self) -> bool {
-        self.displayed.is_all()
+        self.displayed.is_none()
     }
 
-    pub fn displayed_name(&self) -> HashSet<&str> {
-        match self.displayed {
-            OptionAll::All => self.fields_map.iter().filter_map(|(_, &v)| self.name(v)).collect(),
-            OptionAll::Some(ref v) => v.iter().filter_map(|a| self.name(*a)).collect(),
-            OptionAll::None => HashSet::new(),
+    pub fn displayed_names(&self) -> BTreeSet<&str> {
+        self.displayed()
+            .iter()
+            .filter_map(|&f| self.name(f))
+            .collect()
+    }
+
+    fn searchable(&self) -> Cow<[FieldId]> {
+        match &self.searchable {
+            Some(searchable) => Cow::Borrowed(&searchable),
+            None => Cow::Owned(self.indexed_position.field_pos().map(|(f, _)| f).collect()),
         }
     }
 
-    pub fn indexed(&self) -> Cow<[FieldId]> {
-        match self.indexed {
-            OptionAll::Some(ref v) => Cow::Borrowed(v),
-            OptionAll::All => {
-                let fields = self
-                    .fields_map
-                    .iter()
-                    .map(|(_, &f)| f)
-                    .collect();
-                Cow::Owned(fields)
-            },
-            OptionAll::None => Cow::Owned(Vec::new())
-        }
+    pub fn searchable_names(&self) -> Vec<&str> {
+        self.searchable()
+            .iter()
+            .filter_map(|a| self.name(*a))
+            .collect()
     }
 
-    pub fn indexed_name(&self) -> Vec<&str> {
-        self.indexed().iter().filter_map(|a| self.name(*a)).collect()
-    }
-
-    pub fn set_ranked(&mut self, name: &str) -> SResult<FieldId> {
+    pub(crate) fn set_ranked(&mut self, name: &str) -> SResult<FieldId> {
         let id = self.fields_map.insert(name)?;
         self.ranked.insert(id);
         Ok(id)
     }
 
-    pub fn set_displayed(&mut self, name: &str) -> SResult<FieldId> {
-        let id = self.fields_map.insert(name)?;
-        self.displayed = match self.displayed.take() {
-            OptionAll::All => OptionAll::All,
-            OptionAll::None => {
-                let mut displayed = HashSet::new();
-                displayed.insert(id);
-                OptionAll::Some(displayed)
-            },
-            OptionAll::Some(mut v) => {
-                v.insert(id);
-                OptionAll::Some(v)
-            }
-        };
-        Ok(id)
-    }
-
-    pub fn set_indexed(&mut self, name: &str) -> SResult<(FieldId, IndexedPos)> {
-        let id = self.fields_map.insert(name)?;
-
-        if let Some(indexed_pos) = self.indexed_map.get(&id) {
-            return Ok((id, *indexed_pos))
-        };
-        let pos = self.indexed_map.len() as u16;
-        self.indexed_map.insert(id, pos.into());
-        self.indexed = self.indexed.take().map(|mut v| {
-            v.push(id);
-            v
-        });
-        Ok((id, pos.into()))
-    }
-
     pub fn clear_ranked(&mut self) {
         self.ranked.clear();
     }
 
-    pub fn remove_ranked(&mut self, name: &str) {
-        if let Some(id) = self.fields_map.id(name) {
-            self.ranked.remove(&id);
-        }
-    }
-
-    /// remove field from displayed attributes. If diplayed attributes is OptionAll::All,
-    /// dipslayed attributes is turned into OptionAll::Some(v) where v is all displayed attributes
-    /// except name.
-    pub fn remove_displayed(&mut self, name: &str) {
-        if let Some(id) = self.fields_map.id(name) {
-            self.displayed = match self.displayed.take() {
-                OptionAll::Some(mut v) => {
-                    v.remove(&id);
-                    OptionAll::Some(v)
-                }
-                OptionAll::All => {
-                    let displayed = self.fields_map
-                        .iter()
-                        .filter_map(|(key, &value)| {
-                            if key != name {
-                                Some(value)
-                            } else {
-                                None
-                            }
-                        })
-                        .collect::<HashSet<_>>();
-                    OptionAll::Some(displayed)
-                }
-                OptionAll::None => OptionAll::None,
-            };
-        }
-    }
-
-    pub fn remove_indexed(&mut self, name: &str) {
-        if let Some(id) = self.fields_map.id(name) {
-            self.indexed_map.remove(&id);
-            self.indexed = match self.indexed.take() {
-                // valid because indexed is All and indexed() return the content of
-                // indexed_map that is already updated
-                OptionAll::All => OptionAll::Some(self.indexed().into_owned()),
-                OptionAll::Some(mut v) => {
-                    v.retain(|x| *x != id);
-                    OptionAll::Some(v)
-                }
-                OptionAll::None => OptionAll::None,
-            }
-        }
-    }
-
     pub fn is_ranked(&self, id: FieldId) -> bool {
         self.ranked.get(&id).is_some()
     }
 
     pub fn is_displayed(&self, id: FieldId) -> bool {
-        match self.displayed {
-            OptionAll::Some(ref v) => v.contains(&id),
-            OptionAll::All => true,
-            OptionAll::None => false,
+        match &self.displayed {
+            Some(displayed) => displayed.contains(&id),
+            None => true,
         }
     }
 
-    pub fn is_indexed(&self, id: FieldId) -> Option<&IndexedPos> {
-        self.indexed_map.get(&id)
+    pub fn is_searchable(&self, id: FieldId) -> Option<IndexedPos> {
+        match &self.searchable {
+            Some(searchable) if searchable.contains(&id) => self.indexed_position.field_to_pos(id),
+            None => self.indexed_position.field_to_pos(id),
+            _ => None,
+        }
     }
 
-    pub fn is_indexed_all(&self) -> bool {
-        self.indexed.is_all()
+    pub fn is_searchable_all(&self) -> bool {
+        self.searchable.is_none()
     }
 
     pub fn indexed_pos_to_field_id<I: Into<IndexedPos>>(&self, pos: I) -> Option<FieldId> {
-        let indexed_pos = pos.into().0;
-        self
-            .indexed_map
-            .iter()
-            .find(|(_, &v)| v.0 == indexed_pos)
-            .map(|(&k, _)| k)
+        self.indexed_position.pos_to_field(pos.into())
     }
 
-    pub fn update_ranked<S: AsRef<str>>(&mut self, data: impl IntoIterator<Item = S>) -> SResult<()> {
+    pub fn update_ranked<S: AsRef<str>>(
+        &mut self,
+        data: impl IntoIterator<Item = S>,
+    ) -> SResult<()> {
         self.ranked.clear();
         for name in data {
             self.set_ranked(name.as_ref())?;
@@ -307,46 +161,208 @@ impl Schema {
         Ok(())
     }
 
-    pub fn update_displayed<S: AsRef<str>>(&mut self, data: impl IntoIterator<Item = S>) -> SResult<()> {
-        self.displayed = match self.displayed.take() {
-            OptionAll::Some(mut v) => {
-                v.clear();
-                OptionAll::Some(v)
-            }
-            _ => OptionAll::Some(HashSet::new())
-        };
+    pub fn update_displayed<S: AsRef<str>>(
+        &mut self,
+        data: impl IntoIterator<Item = S>,
+    ) -> SResult<()> {
+        let mut displayed = BTreeSet::new();
         for name in data {
-            self.set_displayed(name.as_ref())?;
+            let id = self.fields_map.insert(name.as_ref())?;
+            displayed.insert(id);
         }
+        self.displayed.replace(displayed);
         Ok(())
     }
 
-    pub fn update_indexed<S: AsRef<str>>(&mut self, data: Vec<S>) -> SResult<()> {
-        self.indexed = match self.indexed.take() {
-            OptionAll::Some(mut v) => {
-                v.clear();
-                OptionAll::Some(v)
-            },
-            _ => OptionAll::Some(Vec::new()),
-        };
-        self.indexed_map.clear();
-        for name in data {
-            self.set_indexed(name.as_ref())?;
+    pub fn update_searchable<S: AsRef<str>>(&mut self, data: Vec<S>) -> SResult<()> {
+        let mut searchable = Vec::with_capacity(data.len());
+        for (pos, name) in data.iter().enumerate() {
+            let id = self.insert(name.as_ref())?;
+            self.indexed_position.insert(id, IndexedPos(pos as u16));
+            searchable.push(id);
         }
+        self.searchable.replace(searchable);
         Ok(())
     }
 
-    pub fn set_all_fields_as_indexed(&mut self) {
-        self.indexed = OptionAll::All;
-        self.indexed_map.clear();
-
-        for (_name, id) in self.fields_map.iter() {
-            let pos = self.indexed_map.len() as u16;
-            self.indexed_map.insert(*id, pos.into());
-        }
+    pub fn set_all_searchable(&mut self) {
+        self.searchable.take();
     }
 
-    pub fn set_all_fields_as_displayed(&mut self) {
-        self.displayed = OptionAll::All
+    pub fn set_all_displayed(&mut self) {
+        self.displayed.take();
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_with_primary_key() {
+        let schema = Schema::with_primary_key("test");
+        assert_eq!(
+            format!("{:?}", schema),
+            r##"Schema { fields_map: FieldsMap { name_map: {"test": FieldId(0)}, id_map: {FieldId(0): "test"}, next_id: FieldId(1) }, primary_key: Some(FieldId(0)), ranked: {}, displayed: None, searchable: None, indexed_position: PositionMap { pos_to_field: [FieldId(0)], field_to_pos: {FieldId(0): IndexedPos(0)} } }"##
+        );
+    }
+
+    #[test]
+    fn primary_key() {
+        let schema = Schema::with_primary_key("test");
+        assert_eq!(schema.primary_key(), Some("test"));
+    }
+
+    #[test]
+    fn test_insert_with_position_base() {
+        let mut schema = Schema::default();
+        let (id, position) = schema.insert_with_position("foo").unwrap();
+        assert!(schema.searchable.is_none());
+        assert!(schema.displayed.is_none());
+        assert_eq!(id, 0.into());
+        assert_eq!(position, 0.into());
+        let (id, position) = schema.insert_with_position("bar").unwrap();
+        assert_eq!(id, 1.into());
+        assert_eq!(position, 1.into());
+    }
+
+    #[test]
+    fn test_insert_with_position_primary_key() {
+        let mut schema = Schema::with_primary_key("test");
+        let (id, position) = schema.insert_with_position("foo").unwrap();
+        assert!(schema.searchable.is_none());
+        assert!(schema.displayed.is_none());
+        assert_eq!(id, 1.into());
+        assert_eq!(position, 1.into());
+        let (id, position) = schema.insert_with_position("test").unwrap();
+        assert_eq!(id, 0.into());
+        assert_eq!(position, 0.into());
+    }
+
+    #[test]
+    fn test_insert() {
+        let mut schema = Schema::default();
+        let field_id = schema.insert("foo").unwrap();
+        assert!(schema.fields_map.name(field_id).is_some());
+        assert!(schema.searchable.is_none());
+        assert!(schema.displayed.is_none());
+    }
+
+    #[test]
+    fn test_update_searchable() {
+        let mut schema = Schema::default();
+
+        schema.update_searchable(vec!["foo", "bar"]).unwrap();
+        assert_eq!(
+            format!("{:?}", schema.indexed_position),
+            r##"PositionMap { pos_to_field: [FieldId(0), FieldId(1)], field_to_pos: {FieldId(0): IndexedPos(0), FieldId(1): IndexedPos(1)} }"##
+        );
+        assert_eq!(
+            format!("{:?}", schema.searchable),
+            r##"Some([FieldId(0), FieldId(1)])"##
+        );
+        schema.update_searchable(vec!["bar"]).unwrap();
+        assert_eq!(
+            format!("{:?}", schema.searchable),
+            r##"Some([FieldId(1)])"##
+        );
+        assert_eq!(
+            format!("{:?}", schema.indexed_position),
+            r##"PositionMap { pos_to_field: [FieldId(1), FieldId(0)], field_to_pos: {FieldId(0): IndexedPos(1), FieldId(1): IndexedPos(0)} }"##
+        );
+    }
+
+    #[test]
+    fn test_update_displayed() {
+        let mut schema = Schema::default();
+        schema.update_displayed(vec!["foobar"]).unwrap();
+        assert_eq!(
+            format!("{:?}", schema.displayed),
+            r##"Some({FieldId(0)})"##
+        );
+        assert_eq!(
+            format!("{:?}", schema.indexed_position),
+            r##"PositionMap { pos_to_field: [], field_to_pos: {} }"##
+        );
+    }
+
+    #[test]
+    fn test_is_searchable_all() {
+        let mut schema = Schema::default();
+        assert!(schema.is_searchable_all());
+        schema.update_searchable(vec!["foo"]).unwrap();
+        assert!(!schema.is_searchable_all());
+    }
+
+    #[test]
+    fn test_is_displayed_all() {
+        let mut schema = Schema::default();
+        assert!(schema.is_displayed_all());
+        schema.update_displayed(vec!["foo"]).unwrap();
+        assert!(!schema.is_displayed_all());
+    }
+
+    #[test]
+    fn test_searchable_names() {
+        let mut schema = Schema::default();
+        assert_eq!(format!("{:?}", schema.searchable_names()), r##"[]"##);
+        schema.insert_with_position("foo").unwrap();
+        schema.insert_with_position("bar").unwrap();
+        assert_eq!(
+            format!("{:?}", schema.searchable_names()),
+            r##"["foo", "bar"]"##
+        );
+        schema.update_searchable(vec!["hello", "world"]).unwrap();
+        assert_eq!(
+            format!("{:?}", schema.searchable_names()),
+            r##"["hello", "world"]"##
+        );
+        schema.set_all_searchable();
+        assert_eq!(
+            format!("{:?}", schema.searchable_names()),
+            r##"["hello", "world", "foo", "bar"]"##
+        );
+    }
+
+    #[test]
+    fn test_displayed_names() {
+        let mut schema = Schema::default();
+        assert_eq!(format!("{:?}", schema.displayed_names()), r##"{}"##);
+        schema.insert_with_position("foo").unwrap();
+        schema.insert_with_position("bar").unwrap();
+        assert_eq!(
+            format!("{:?}", schema.displayed_names()),
+            r##"{"bar", "foo"}"##
+        );
+        schema.update_displayed(vec!["hello", "world"]).unwrap();
+        assert_eq!(
+            format!("{:?}", schema.displayed_names()),
+            r##"{"hello", "world"}"##
+        );
+        schema.set_all_displayed();
+        assert_eq!(
+            format!("{:?}", schema.displayed_names()),
+            r##"{"bar", "foo"}"##
+        );
+    }
+
+    #[test]
+    fn test_set_all_searchable() {
+        let mut schema = Schema::default();
+        assert!(schema.is_searchable_all());
+        schema.update_searchable(vec!["foobar"]).unwrap();
+        assert!(!schema.is_searchable_all());
+        schema.set_all_searchable();
+        assert!(schema.is_searchable_all());
+    }
+
+    #[test]
+    fn test_set_all_displayed() {
+        let mut schema = Schema::default();
+        assert!(schema.is_displayed_all());
+        schema.update_displayed(vec!["foobar"]).unwrap();
+        assert!(!schema.is_displayed_all());
+        schema.set_all_displayed();
+        assert!(schema.is_displayed_all());
     }
 }

meilisearch-tokenizer/Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 name = "meilisearch-tokenizer"
-version = "0.13.0"
+version = "0.18.1"
 license = "MIT"
 authors = ["Kerollmops <renault.cle@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-deunicode = "1.1.0"
+deunicode = "1.1.1"
 slice-group-by = "0.2.6"

meilisearch-tokenizer/src/lib.rs

@@ -4,22 +4,22 @@ use slice_group_by::StrGroupBy;
 use std::iter::Peekable;
 
 pub fn is_cjk(c: char) -> bool {
-    (c >= '\u{1100}' && c <= '\u{11ff}')  // Hangul Jamo
-        || (c >= '\u{2e80}' && c <= '\u{2eff}')  // CJK Radicals Supplement
-        || (c >= '\u{2f00}' && c <= '\u{2fdf}') // Kangxi radical
-        || (c >= '\u{3000}' && c <= '\u{303f}') // Japanese-style punctuation
-        || (c >= '\u{3040}' && c <= '\u{309f}') // Japanese Hiragana
-        || (c >= '\u{30a0}' && c <= '\u{30ff}') // Japanese Katakana
-        || (c >= '\u{3100}' && c <= '\u{312f}')
-        || (c >= '\u{3130}' && c <= '\u{318F}') // Hangul Compatibility Jamo
-        || (c >= '\u{3200}' && c <= '\u{32ff}') // Enclosed CJK Letters and Months
-        || (c >= '\u{3400}' && c <= '\u{4dbf}') // CJK Unified Ideographs Extension A
-        || (c >= '\u{4e00}' && c <= '\u{9fff}') // CJK Unified Ideographs
-        || (c >= '\u{a960}' && c <= '\u{a97f}') // Hangul Jamo Extended-A
-        || (c >= '\u{ac00}' && c <= '\u{d7a3}') // Hangul Syllables
-        || (c >= '\u{d7b0}' && c <= '\u{d7ff}') // Hangul Jamo Extended-B
-        || (c >= '\u{f900}' && c <= '\u{faff}') // CJK Compatibility Ideographs
-        || (c >= '\u{ff00}' && c <= '\u{ffef}') // Full-width roman characters and half-width katakana
+    ('\u{1100}'..='\u{11ff}').contains(&c)
+        || ('\u{2e80}'..='\u{2eff}').contains(&c)  // CJK Radicals Supplement
+        || ('\u{2f00}'..='\u{2fdf}').contains(&c) // Kangxi radical
+        || ('\u{3000}'..='\u{303f}').contains(&c) // Japanese-style punctuation
+        || ('\u{3040}'..='\u{309f}').contains(&c) // Japanese Hiragana
+        || ('\u{30a0}'..='\u{30ff}').contains(&c) // Japanese Katakana
+        || ('\u{3100}'..='\u{312f}').contains(&c)
+        || ('\u{3130}'..='\u{318F}').contains(&c) // Hangul Compatibility Jamo
+        || ('\u{3200}'..='\u{32ff}').contains(&c) // Enclosed CJK Letters and Months
+        || ('\u{3400}'..='\u{4dbf}').contains(&c) // CJK Unified Ideographs Extension A
+        || ('\u{4e00}'..='\u{9fff}').contains(&c) // CJK Unified Ideographs
+        || ('\u{a960}'..='\u{a97f}').contains(&c) // Hangul Jamo Extended-A
+        || ('\u{ac00}'..='\u{d7a3}').contains(&c) // Hangul Syllables
+        || ('\u{d7b0}'..='\u{d7ff}').contains(&c) // Hangul Jamo Extended-B
+        || ('\u{f900}'..='\u{faff}').contains(&c) // CJK Compatibility Ideographs
+        || ('\u{ff00}'..='\u{ffef}').contains(&c) // Full-width roman characters and half-width katakana
 }
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]

meilisearch-types/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-types"
-version = "0.13.0"
+version = "0.18.1"
 license = "MIT"
 authors = ["Clément Renault <renault.cle@gmail.com>"]
 edition = "2018"
@@ -10,7 +10,7 @@ version = "0.3.0"
 optional = true
 
 [dependencies.serde]
-version = "1.0.105"
+version = "1.0.118"
 features = ["derive"]
 optional = true