enable debug symbols in release

4208: Makes the dump cancellable r=Kerollmops a=irevoire

# Pull Request

Make the dump tasks cancellable even when they have already started processing.

## Related issue
Fixes https://github.com/meilisearch/meilisearch/issues/4157


Co-authored-by: Tamo <tamo@meilisearch.com>

.github/workflows/benchmarks-pr.yml

@@ -90,7 +90,8 @@ jobs:
           set -x
           export base_ref=$(git merge-base origin/main ${{ steps.comment-branch.outputs.head_ref }} | head -c8)
           export base_filename=$(echo ${{ steps.command.outputs.command-arguments }}_main_${base_ref}.json)
-          echo 'Here are your benchmarks diff 👊' >> body.txt
+          export bench_name=$(echo ${{ steps.command.outputs.command-arguments }})
+          echo "Here are your $bench_name benchmarks diff 👊" >> body.txt
           echo '```' >> body.txt
           ./benchmarks/scripts/compare.sh $base_filename ${{ steps.file.outputs.basename }}.json >> body.txt
           echo '```' >> body.txt

Cargo.lock

@@ -231,9 +231,9 @@ dependencies = [
 
 [[package]]
 name = "addr2line"
-version = "0.20.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4fa78e18c64fce05e902adecd7a5eed15a5e0a3439f7b0e169f0252214865e3"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
 dependencies = [
  "gimli",
 ]
@@ -435,9 +435,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "backtrace"
-version = "0.3.68"
+version = "0.3.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4319208da049c43661739c5fade2ba182f09d1dc2299b32298d3a31692b17e12"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
 dependencies = [
  "addr2line",
  "cc",
@@ -1638,9 +1638,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.27.3"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c80984affa11d98d1b88b66ac8853f143217b399d3c74116778ff8fdb4ed2e"
+checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
 
 [[package]]
 name = "git2"
@@ -1894,6 +1894,7 @@ name = "index-scheduler"
 version = "1.4.1"
 dependencies = [
  "anyhow",
+ "backtrace",
  "big_s",
  "bincode",
  "crossbeam",
@@ -2856,9 +2857,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.31.1"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8bda667d9f2b5051b8833f59f3bf748b28ef54f850f4fcb389a252aa383866d1"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
 dependencies = [
  "memchr",
 ]
@@ -3640,9 +3641,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.104"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "indexmap 2.0.0",
  "itoa",

Cargo.toml

@@ -28,6 +28,7 @@ license = "MIT"
 
 [profile.release]
 codegen-units = 1
+debug = true
 
 [profile.dev.package.flate2]
 opt-level = 3

benchmarks/benches/utils.rs

@@ -12,7 +12,7 @@ use milli::heed::EnvOpenOptions;
 use milli::update::{
     IndexDocuments, IndexDocumentsConfig, IndexDocumentsMethod, IndexerConfig, Settings,
 };
-use milli::{Filter, Index, Object, RankingRule, TermsMatchingStrategy};
+use milli::{Criterion, Filter, Index, Object, TermsMatchingStrategy};
 use serde_json::Value;
 
 pub struct Conf<'a> {
@@ -78,11 +78,11 @@ pub fn base_setup(conf: &Conf) -> Index {
 
     if let Some(criterion) = conf.criterion {
         builder.reset_filterable_fields();
-        builder.reset_ranking_rules();
+        builder.reset_criteria();
         builder.reset_stop_words();
 
-        let criterion = criterion.iter().map(|s| RankingRule::from_str(s).unwrap()).collect();
-        builder.set_ranking_rules(criterion);
+        let criterion = criterion.iter().map(|s| Criterion::from_str(s).unwrap()).collect();
+        builder.set_criteria(criterion);
     }
 
     (conf.configure)(&mut builder);

index-scheduler/Cargo.toml

@@ -12,6 +12,7 @@ license.workspace = true
 
 [dependencies]
 anyhow = "1.0.70"
+backtrace = "0.3.69"
 bincode = "1.3.3"
 csv = "1.2.1"
 derive_builder = "0.12.0"

index-scheduler/src/batch.rs

@@ -825,6 +825,10 @@ impl IndexScheduler {
                 // 2. dump the tasks
                 let mut dump_tasks = dump.create_tasks_queue()?;
                 for ret in self.all_tasks.iter(&rtxn)? {
+                    if self.must_stop_processing.get() {
+                        return Err(Error::AbortedTask);
+                    }
+
                     let (_, mut t) = ret?;
                     let status = t.status;
                     let content_file = t.content_uuid();
@@ -845,6 +849,9 @@ impl IndexScheduler {
 
                     // 2.1. Dump the `content_file` associated with the task if there is one and the task is not finished yet.
                     if let Some(content_file) = content_file {
+                        if self.must_stop_processing.get() {
+                            return Err(Error::AbortedTask);
+                        }
                         if status == Status::Enqueued {
                             let content_file = self.file_store.get_update(content_file)?;
 
@@ -884,6 +891,9 @@ impl IndexScheduler {
 
                     // 3.1. Dump the documents
                     for ret in index.all_documents(&rtxn)? {
+                        if self.must_stop_processing.get() {
+                            return Err(Error::AbortedTask);
+                        }
                         let (_id, doc) = ret?;
                         let document = milli::obkv_to_json(&all_fields, &fields_ids_map, doc)?;
                         index_dumper.push_document(&document)?;
@@ -903,6 +913,9 @@ impl IndexScheduler {
                     "[year repr:full][month repr:numerical][day padding:zero]-[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"
                 )).unwrap();
 
+                if self.must_stop_processing.get() {
+                    return Err(Error::AbortedTask);
+                }
                 let path = self.dumps_path.join(format!("{}.dump", dump_uid));
                 let file = File::create(path)?;
                 dump.persist_to(BufWriter::new(file))?;

index-scheduler/src/error.rs

@@ -108,6 +108,8 @@ pub enum Error {
     TaskDeletionWithEmptyQuery,
     #[error("Query parameters to filter the tasks to cancel are missing. Available query parameters are: `uids`, `indexUids`, `statuses`, `types`, `canceledBy`, `beforeEnqueuedAt`, `afterEnqueuedAt`, `beforeStartedAt`, `afterStartedAt`, `beforeFinishedAt`, `afterFinishedAt`.")]
     TaskCancelationWithEmptyQuery,
+    #[error("Aborted task")]
+    AbortedTask,
 
     #[error(transparent)]
     Dump(#[from] dump::Error),
@@ -115,8 +117,13 @@ pub enum Error {
     Heed(#[from] heed::Error),
     #[error(transparent)]
     Milli(#[from] milli::Error),
-    #[error("An unexpected crash occurred when processing the task.")]
-    ProcessBatchPanicked,
+    #[error("An unexpected crash occurred when processing the task. {}", {
+        match .0 {
+            Some(report) => format!("Get /reports/{}", report),
+            None => "No report was saved.".into(),
+        }
+    })]
+    ProcessBatchPanicked(Option<uuid::Uuid>),
     #[error(transparent)]
     FileStore(#[from] file_store::Error),
     #[error(transparent)]
@@ -175,10 +182,11 @@ impl Error {
             | Error::TaskNotFound(_)
             | Error::TaskDeletionWithEmptyQuery
             | Error::TaskCancelationWithEmptyQuery
+            | Error::AbortedTask
             | Error::Dump(_)
             | Error::Heed(_)
             | Error::Milli(_)
-            | Error::ProcessBatchPanicked
+            | Error::ProcessBatchPanicked(_)
             | Error::FileStore(_)
             | Error::IoError(_)
             | Error::Persist(_)
@@ -221,7 +229,7 @@ impl ErrorCode for Error {
             Error::NoSpaceLeftInTaskQueue => Code::NoSpaceLeftOnDevice,
             Error::Dump(e) => e.error_code(),
             Error::Milli(e) => e.error_code(),
-            Error::ProcessBatchPanicked => Code::Internal,
+            Error::ProcessBatchPanicked(_) => Code::Internal,
             Error::Heed(e) => e.error_code(),
             Error::HeedTransaction(e) => e.error_code(),
             Error::FileStore(e) => e.error_code(),
@@ -236,6 +244,9 @@ impl ErrorCode for Error {
             Error::TaskDatabaseUpdate(_) => Code::Internal,
             Error::CreateBatch(_) => Code::Internal,
 
+            // This one should never be seen by the end user
+            Error::AbortedTask => Code::Internal,
+
             #[cfg(test)]
             Error::PlannedFailure => Code::Internal,
         }

index-scheduler/src/insta_snapshot.rs

@@ -39,6 +39,7 @@ pub fn snapshot_index_scheduler(scheduler: &IndexScheduler) -> String {
         test_breakpoint_sdr: _,
         planned_failures: _,
         run_loop_iteration: _,
+        panic_reader: _,
     } = scheduler;
 
     let rtxn = env.read_txn().unwrap();

index-scheduler/src/lib.rs

@@ -26,6 +26,7 @@ mod index_mapper;
 #[cfg(test)]
 mod insta_snapshot;
 mod lru;
+mod panic_hook;
 mod utils;
 mod uuid_codec;
 
@@ -53,6 +54,8 @@ use meilisearch_types::milli::documents::DocumentsBatchBuilder;
 use meilisearch_types::milli::update::IndexerConfig;
 use meilisearch_types::milli::{self, CboRoaringBitmapCodec, Index, RoaringBitmapCodec, BEU32};
 use meilisearch_types::tasks::{Kind, KindWithContent, Status, Task};
+use panic_hook::ReportReader;
+pub use panic_hook::{Panic, Report, ReportRegistry};
 use puffin::FrameView;
 use roaring::RoaringBitmap;
 use synchronoise::SignalEvent;
@@ -331,6 +334,8 @@ pub struct IndexScheduler {
     /// The path to the version file of Meilisearch.
     pub(crate) version_file_path: PathBuf,
 
+    pub(crate) panic_reader: ReportReader,
+
     // ================= test
     // The next entry is dedicated to the tests.
     /// Provide a way to set a breakpoint in multiple part of the scheduler.
@@ -381,6 +386,7 @@ impl IndexScheduler {
             #[cfg(test)]
             run_loop_iteration: self.run_loop_iteration.clone(),
             features: self.features.clone(),
+            panic_reader: self.panic_reader.clone(),
         }
     }
 }
@@ -438,6 +444,12 @@ impl IndexScheduler {
         let finished_at = env.create_database(&mut wtxn, Some(db_name::FINISHED_AT))?;
         wtxn.commit()?;
 
+        const MAX_REPORT_COUNT: usize = 20;
+
+        let panic_reader = panic_hook::ReportReader::install_panic_hook(
+            std::num::NonZeroUsize::new(MAX_REPORT_COUNT).unwrap(),
+        );
+
         // allow unreachable_code to get rids of the warning in the case of a test build.
         let this = Self {
             must_stop_processing: MustStopProcessing::default(),
@@ -478,6 +490,7 @@ impl IndexScheduler {
             #[cfg(test)]
             run_loop_iteration: Arc::new(RwLock::new(0)),
             features,
+            panic_reader,
         };
 
         this.run();
@@ -1130,7 +1143,10 @@ impl IndexScheduler {
                 .name(String::from("batch-operation"))
                 .spawn(move || cloned_index_scheduler.process_batch(batch))
                 .unwrap();
-            handle.join().unwrap_or(Err(Error::ProcessBatchPanicked))
+
+            self.panic_reader
+                .join_thread(handle)
+                .unwrap_or_else(|maybe_report| Err(Error::ProcessBatchPanicked(maybe_report)))
         };
 
         #[cfg(test)]
@@ -1167,7 +1183,8 @@ impl IndexScheduler {
             // If we have an abortion error we must stop the tick here and re-schedule tasks.
             Err(Error::Milli(milli::Error::InternalError(
                 milli::InternalError::AbortedIndexation,
-            ))) => {
+            )))
+            | Err(Error::AbortedTask) => {
                 #[cfg(test)]
                 self.breakpoint(Breakpoint::AbortedIndexation);
                 wtxn.abort().map_err(Error::HeedTransaction)?;
@@ -1310,6 +1327,10 @@ impl IndexScheduler {
         }
     }
 
+    pub fn reports(&self) -> Arc<RwLock<ReportRegistry>> {
+        self.panic_reader.registry()
+    }
+
     /// Blocks the thread until the test handle asks to progress to/through this breakpoint.
     ///
     /// Two messages are sent through the channel for each breakpoint.
@@ -4323,4 +4344,26 @@ mod tests {
         }
         "###);
     }
+
+    #[test]
+    fn cancel_processing_dump() {
+        let (index_scheduler, mut handle) = IndexScheduler::test(true, vec![]);
+
+        let dump_creation = KindWithContent::DumpCreation { keys: Vec::new(), instance_uid: None };
+        let dump_cancellation = KindWithContent::TaskCancelation {
+            query: "cancel dump".to_owned(),
+            tasks: RoaringBitmap::from_iter([0]),
+        };
+        let _ = index_scheduler.register(dump_creation).unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "after_dump_register");
+        handle.advance_till([Start, BatchCreated, InsideProcessBatch]);
+
+        let _ = index_scheduler.register(dump_cancellation).unwrap();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "cancel_registered");
+
+        snapshot!(format!("{:?}", handle.advance()), @"AbortedIndexation");
+
+        handle.advance_one_successful_batch();
+        snapshot!(snapshot_index_scheduler(&index_scheduler), name: "cancel_processed");
+    }
 }

index-scheduler/src/panic_hook.rs

@@ -0,0 +1,211 @@
+//! Panic hook designed to fetch a panic from a subthread and recover it on join.
+
+use std::collections::VecDeque;
+use std::num::NonZeroUsize;
+use std::panic::PanicInfo;
+use std::sync::{Arc, RwLock};
+use std::thread::{JoinHandle, ThreadId};
+
+use backtrace::Backtrace;
+
+// Represents a panic in a shallowy structured fashion
+pub struct Panic {
+    pub payload: Option<String>,
+    pub location: Option<String>,
+    pub thread_name: Option<String>,
+    pub thread_id: ThreadId,
+    pub backtrace: Backtrace,
+}
+
+/// A panic enriched with a unique id
+#[derive(serde::Serialize)]
+pub struct Report {
+    pub id: uuid::Uuid,
+    #[serde(serialize_with = "serialize_panic")]
+    pub panic: Panic,
+}
+
+fn serialize_panic<S>(panic: &Panic, s: S) -> std::result::Result<S::Ok, S::Error>
+where
+    S: serde::Serializer,
+{
+    use serde::Serialize;
+
+    panic.to_json().serialize(s)
+}
+
+impl Report {
+    pub fn new(panic: Panic) -> Self {
+        Self { id: uuid::Uuid::new_v4(), panic }
+    }
+}
+
+impl Panic {
+    pub fn to_json(&self) -> serde_json::Value {
+        json::panic_to_json(self)
+    }
+}
+
+mod json {
+    use backtrace::{Backtrace, BacktraceFrame, BacktraceSymbol};
+    use serde_json::{json, Value};
+
+    use super::Panic;
+
+    fn symbol_to_json(symbol: &BacktraceSymbol) -> Value {
+        let address = symbol.addr().map(|addr| format!("{:p}", addr));
+        let column = symbol.colno();
+        let line = symbol.lineno();
+        let function = symbol.name().map(|name| name.to_string());
+        let filename = symbol.filename();
+        json!({
+            "function": function,
+            "filename": filename,
+            "line": line,
+            "column": column,
+            "address": address,
+        })
+    }
+
+    fn frame_to_json(frame: &BacktraceFrame) -> Value {
+        let symbols: Vec<_> = frame.symbols().iter().map(symbol_to_json).collect();
+        match symbols.as_slice() {
+            [] => {
+                let address = format!("{:p}", frame.ip());
+                json!({"address": address})
+            }
+            [symbol] => json!(symbol),
+            symbols => json!(symbols),
+        }
+    }
+
+    fn backtrace_to_json(backtrace: &Backtrace) -> Value {
+        let frames: Vec<_> = backtrace.frames().iter().map(frame_to_json).collect();
+        json!(frames)
+    }
+
+    pub fn panic_to_json(panic: &Panic) -> Value {
+        let thread_id = format!("{:?}", panic.thread_id);
+        serde_json::json!({
+            "payload": panic.payload,
+            "location": panic.location,
+            "thread": {
+                "id": thread_id,
+                "name": panic.thread_name,
+            },
+            "backtrace": backtrace_to_json(&panic.backtrace),
+        })
+    }
+}
+
+struct ReportWriter(Arc<RwLock<ReportRegistry>>);
+
+/// A FIFO queue of reports.
+pub struct ReportRegistry {
+    reports: std::collections::VecDeque<Report>,
+}
+
+impl ReportRegistry {
+    pub fn new(capacity: NonZeroUsize) -> Self {
+        Self { reports: VecDeque::with_capacity(capacity.get()) }
+    }
+
+    pub fn push(&mut self, report: Report) -> Option<Report> {
+        let popped = if self.reports.len() == self.reports.capacity() {
+            self.reports.pop_back()
+        } else {
+            None
+        };
+        self.reports.push_front(report);
+        popped
+    }
+
+    pub fn iter(&self) -> impl Iterator<Item = &Report> {
+        self.reports.iter()
+    }
+
+    pub fn find(&self, report_id: uuid::Uuid) -> Option<&Report> {
+        self.iter().find(|report| report.id == report_id)
+    }
+}
+
+impl ReportWriter {
+    #[track_caller]
+    fn write_panic(&self, panic_info: &PanicInfo<'_>) {
+        let payload = panic_info
+            .payload()
+            .downcast_ref::<&str>()
+            .map(ToString::to_string)
+            .or_else(|| panic_info.payload().downcast_ref::<String>().cloned());
+        let location = panic_info.location().map(|loc| {
+            format!(
+                "{file}:{line}:{column}",
+                file = loc.file(),
+                line = loc.line(),
+                column = loc.column()
+            )
+        });
+
+        let thread_name = std::thread::current().name().map(ToString::to_string);
+        let thread_id = std::thread::current().id();
+        let backtrace = backtrace::Backtrace::new();
+
+        let panic = Panic { payload, location, thread_name, thread_id, backtrace };
+
+        let report = Report::new(panic);
+
+        log::error!(
+            "An unexpected panic occurred on thread {name} at {location}: {payload}. See report '{report}' for details.",
+            payload = report.panic.payload.as_deref().unwrap_or("Box<dyn Any>"),
+            name = report.panic.thread_name.as_deref().unwrap_or("<unnamed>"),
+            location = report.panic.location.as_deref().unwrap_or("<unknown>"),
+            report = report.id,
+        );
+
+        if let Ok(mut registry) = self.0.write() {
+            if let Some(old_report) = registry.push(report) {
+                log::trace!("Forgetting report {} to make space for new report.", old_report.id)
+            }
+        }
+    }
+}
+
+/// Reads the reports written in case of a panic.
+#[derive(Clone)]
+pub struct ReportReader(Arc<RwLock<ReportRegistry>>);
+
+impl ReportReader {
+    /// Installs a new global panic hook, overriding any existing hook.
+    ///
+    /// The hook writes any incoming panic in reports.
+    /// The reports can then be read by the returned [`ReportReader`].
+    pub fn install_panic_hook(capacity: NonZeroUsize) -> Self {
+        let registry = Arc::new(RwLock::new(ReportRegistry::new(capacity)));
+        let reader = ReportReader(registry.clone());
+        let writer = ReportWriter(registry.clone());
+
+        std::panic::set_hook(Box::new(move |panic_info| writer.write_panic(panic_info)));
+        reader
+    }
+
+    /// Join the thread corresponding to the passed handle, recovering either its value
+    /// or, in case the thread panicked, the id of the report corresponding to the panic.
+    ///
+    /// The id can be used to read the report from the [`self.registry()`].
+    pub fn join_thread<T>(&self, thread: JoinHandle<T>) -> Result<T, Option<uuid::Uuid>> {
+        let thread_id = thread.thread().id();
+        thread.join().map_err(|_e| {
+            self.0
+                .read()
+                .unwrap()
+                .iter()
+                .find(|report| report.panic.thread_id == thread_id)
+                .map(|report| report.id)
+        })
+    }
+
+    /// Returns a registry that can be used to read the reports written during a panic.
+    pub fn registry(&self) -> Arc<RwLock<ReportRegistry>> {
+        self.0.clone()
+    }
+}

index-scheduler/src/snapshots/lib.rs/cancel_processing_dump/after_dump_register.snap

@@ -0,0 +1,35 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { dump_uid: None }, kind: DumpCreation { keys: [], instance_uid: None }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,]
+----------------------------------------------------------------------
+### Kind:
+"dumpCreation" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/cancel_processing_dump/cancel_processed.snap

@@ -0,0 +1,45 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: canceled, canceled_by: 1, details: { dump_uid: None }, kind: DumpCreation { keys: [], instance_uid: None }}
+1 {uid: 1, status: succeeded, details: { matched_tasks: 1, canceled_tasks: Some(0), original_filter: "cancel dump" }, kind: TaskCancelation { query: "cancel dump", tasks: RoaringBitmap<[0]> }}
+----------------------------------------------------------------------
+### Status:
+enqueued []
+succeeded [1,]
+canceled [0,]
+----------------------------------------------------------------------
+### Kind:
+"taskCancelation" [1,]
+"dumpCreation" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+1 [0,]
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Finished At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

index-scheduler/src/snapshots/lib.rs/cancel_processing_dump/cancel_registered.snap

@@ -0,0 +1,38 @@
+---
+source: index-scheduler/src/lib.rs
+---
+### Autobatching Enabled = true
+### Processing Tasks:
+[0,]
+----------------------------------------------------------------------
+### All Tasks:
+0 {uid: 0, status: enqueued, details: { dump_uid: None }, kind: DumpCreation { keys: [], instance_uid: None }}
+1 {uid: 1, status: enqueued, details: { matched_tasks: 1, canceled_tasks: None, original_filter: "cancel dump" }, kind: TaskCancelation { query: "cancel dump", tasks: RoaringBitmap<[0]> }}
+----------------------------------------------------------------------
+### Status:
+enqueued [0,1,]
+----------------------------------------------------------------------
+### Kind:
+"taskCancelation" [1,]
+"dumpCreation" [0,]
+----------------------------------------------------------------------
+### Index Tasks:
+----------------------------------------------------------------------
+### Index Mapper:
+
+----------------------------------------------------------------------
+### Canceled By:
+
+----------------------------------------------------------------------
+### Enqueued At:
+[timestamp] [0,]
+[timestamp] [1,]
+----------------------------------------------------------------------
+### Started At:
+----------------------------------------------------------------------
+### Finished At:
+----------------------------------------------------------------------
+### File Store:
+
+----------------------------------------------------------------------
+

meilisearch-types/src/error.rs

@@ -88,7 +88,6 @@ pub trait ErrorCode {
     }
 }
 
-#[allow(clippy::enum_variant_names)]
 enum ErrorType {
     Internal,
     InvalidRequest,
@@ -235,7 +234,6 @@ InvalidSearchCropMarker               , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchFacets                   , InvalidRequest       , BAD_REQUEST ;
 InvalidFacetSearchFacetName           , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchFilter                   , InvalidRequest       , BAD_REQUEST ;
-InvalidSearchBoostingFilter           , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHighlightPostTag         , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHighlightPreTag          , InvalidRequest       , BAD_REQUEST ;
 InvalidSearchHitsPerPage              , InvalidRequest       , BAD_REQUEST ;
@@ -299,6 +297,7 @@ MissingSwapIndexes                    , InvalidRequest       , BAD_REQUEST ;
 MissingTaskFilters                    , InvalidRequest       , BAD_REQUEST ;
 NoSpaceLeftOnDevice                   , System               , UNPROCESSABLE_ENTITY;
 PayloadTooLarge                       , InvalidRequest       , PAYLOAD_TOO_LARGE ;
+ReportNotFound                        , InvalidRequest       , NOT_FOUND ;
 TaskNotFound                          , InvalidRequest       , NOT_FOUND ;
 TooManyOpenFiles                      , System               , UNPROCESSABLE_ENTITY ;
 UnretrievableDocument                 , Internal             , BAD_REQUEST ;
@@ -332,7 +331,6 @@ impl ErrorCode for milli::Error {
                     UserError::MaxDatabaseSizeReached => Code::DatabaseSizeLimitReached,
                     UserError::AttributeLimitReached => Code::MaxFieldsLimitExceeded,
                     UserError::InvalidFilter(_) => Code::InvalidSearchFilter,
-                    UserError::InvalidBoostingFilter(_) => Code::InvalidSearchBoostingFilter,
                     UserError::InvalidFilterExpression(..) => Code::InvalidSearchFilter,
                     UserError::MissingDocumentId { .. } => Code::MissingDocumentId,
                     UserError::InvalidDocumentId { .. } | UserError::TooManyDocumentIds { .. } => {

meilisearch-types/src/settings.rs

@@ -9,7 +9,7 @@ use std::str::FromStr;
 use deserr::{DeserializeError, Deserr, ErrorKind, MergeWithError, ValuePointerRef};
 use fst::IntoStreamer;
 use milli::update::Setting;
-use milli::{Index, RankingRule, RankingRuleError, DEFAULT_VALUES_PER_FACET};
+use milli::{Criterion, CriterionError, Index, DEFAULT_VALUES_PER_FACET};
 use serde::{Deserialize, Serialize, Serializer};
 
 use crate::deserr::DeserrJsonError;
@@ -117,10 +117,10 @@ pub struct PaginationSettings {
     pub max_total_hits: Setting<usize>,
 }
 
-impl MergeWithError<milli::RankingRuleError> for DeserrJsonError<InvalidSettingsRankingRules> {
+impl MergeWithError<milli::CriterionError> for DeserrJsonError<InvalidSettingsRankingRules> {
     fn merge(
         _self_: Option<Self>,
-        other: milli::RankingRuleError,
+        other: milli::CriterionError,
         merge_location: ValuePointerRef,
     ) -> ControlFlow<Self, Self> {
         Self::error::<Infallible>(
@@ -344,9 +344,9 @@ pub fn apply_settings_to_builder(
 
     match settings.ranking_rules {
         Setting::Set(ref criteria) => {
-            builder.set_ranking_rules(criteria.iter().map(|c| c.clone().into()).collect())
+            builder.set_criteria(criteria.iter().map(|c| c.clone().into()).collect())
         }
-        Setting::Reset => builder.reset_ranking_rules(),
+        Setting::Reset => builder.reset_criteria(),
         Setting::NotSet => (),
     }
 
@@ -578,13 +578,11 @@ pub fn settings(
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Deserr)]
-#[deserr(try_from(&String) = FromStr::from_str -> RankingRuleError)]
+#[deserr(try_from(&String) = FromStr::from_str -> CriterionError)]
 pub enum RankingRuleView {
     /// Sorted by decreasing number of matched query terms.
     /// Query words at the front of an attribute is considered better than if it was at the back.
     Words,
-    /// Sorted by documents matching the given filter and then documents not matching it.
-    Boost(String),
     /// Sorted by increasing number of typos.
     Typo,
     /// Sorted by increasing distance between matched query terms.
@@ -607,7 +605,7 @@ impl Serialize for RankingRuleView {
     where
         S: Serializer,
     {
-        serializer.serialize_str(&format!("{}", RankingRule::from(self.clone())))
+        serializer.serialize_str(&format!("{}", Criterion::from(self.clone())))
     }
 }
 impl<'de> Deserialize<'de> for RankingRuleView {
@@ -625,7 +623,7 @@ impl<'de> Deserialize<'de> for RankingRuleView {
             where
                 E: serde::de::Error,
             {
-                let criterion = RankingRule::from_str(v).map_err(|_| {
+                let criterion = Criterion::from_str(v).map_err(|_| {
                     E::invalid_value(serde::de::Unexpected::Str(v), &"a valid ranking rule")
                 })?;
                 Ok(RankingRuleView::from(criterion))
@@ -635,44 +633,42 @@ impl<'de> Deserialize<'de> for RankingRuleView {
     }
 }
 impl FromStr for RankingRuleView {
-    type Err = <RankingRule as FromStr>::Err;
+    type Err = <Criterion as FromStr>::Err;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        Ok(RankingRuleView::from(RankingRule::from_str(s)?))
+        Ok(RankingRuleView::from(Criterion::from_str(s)?))
     }
 }
 impl fmt::Display for RankingRuleView {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        fmt::Display::fmt(&RankingRule::from(self.clone()), f)
+        fmt::Display::fmt(&Criterion::from(self.clone()), f)
     }
 }
-impl From<RankingRule> for RankingRuleView {
-    fn from(value: RankingRule) -> Self {
+impl From<Criterion> for RankingRuleView {
+    fn from(value: Criterion) -> Self {
         match value {
-            RankingRule::Words => RankingRuleView::Words,
-            RankingRule::FilterBoosting(filter) => RankingRuleView::Boost(filter),
-            RankingRule::Typo => RankingRuleView::Typo,
-            RankingRule::Proximity => RankingRuleView::Proximity,
-            RankingRule::Attribute => RankingRuleView::Attribute,
-            RankingRule::Sort => RankingRuleView::Sort,
-            RankingRule::Exactness => RankingRuleView::Exactness,
-            RankingRule::Asc(x) => RankingRuleView::Asc(x),
-            RankingRule::Desc(x) => RankingRuleView::Desc(x),
+            Criterion::Words => RankingRuleView::Words,
+            Criterion::Typo => RankingRuleView::Typo,
+            Criterion::Proximity => RankingRuleView::Proximity,
+            Criterion::Attribute => RankingRuleView::Attribute,
+            Criterion::Sort => RankingRuleView::Sort,
+            Criterion::Exactness => RankingRuleView::Exactness,
+            Criterion::Asc(x) => RankingRuleView::Asc(x),
+            Criterion::Desc(x) => RankingRuleView::Desc(x),
         }
     }
 }
-impl From<RankingRuleView> for RankingRule {
+impl From<RankingRuleView> for Criterion {
     fn from(value: RankingRuleView) -> Self {
         match value {
-            RankingRuleView::Words => RankingRule::Words,
-            RankingRuleView::Boost(filter) => RankingRule::FilterBoosting(filter),
-            RankingRuleView::Typo => RankingRule::Typo,
-            RankingRuleView::Proximity => RankingRule::Proximity,
-            RankingRuleView::Attribute => RankingRule::Attribute,
-            RankingRuleView::Sort => RankingRule::Sort,
-            RankingRuleView::Exactness => RankingRule::Exactness,
-            RankingRuleView::Asc(x) => RankingRule::Asc(x),
-            RankingRuleView::Desc(x) => RankingRule::Desc(x),
+            RankingRuleView::Words => Criterion::Words,
+            RankingRuleView::Typo => Criterion::Typo,
+            RankingRuleView::Proximity => Criterion::Proximity,
+            RankingRuleView::Attribute => Criterion::Attribute,
+            RankingRuleView::Sort => Criterion::Sort,
+            RankingRuleView::Exactness => Criterion::Exactness,
+            RankingRuleView::Asc(x) => Criterion::Asc(x),
+            RankingRuleView::Desc(x) => Criterion::Desc(x),
         }
     }
 }

meilisearch/src/analytics/segment_analytics.rs

@@ -629,7 +629,6 @@ impl SearchAggregator {
             show_ranking_score,
             show_ranking_score_details,
             filter,
-            boosting_filter,
             sort,
             facets: _,
             highlight_pre_tag,
@@ -1003,7 +1002,6 @@ impl MultiSearchAggregator {
                     show_ranking_score_details: _,
                     show_matches_position: _,
                     filter: _,
-                    boosting_filter: _,
                     sort: _,
                     facets: _,
                     highlight_pre_tag: _,

meilisearch/src/error.rs

@@ -51,6 +51,8 @@ pub enum MeilisearchHttpError {
     DocumentFormat(#[from] DocumentFormatError),
     #[error(transparent)]
     Join(#[from] JoinError),
+    #[error("Report `{0}` not found. Either its id is incorrect, or it was deleted. To save on memory, only a limited amount of reports are kept.")]
+    ReportNotFound(uuid::Uuid),
 }
 
 impl ErrorCode for MeilisearchHttpError {
@@ -74,6 +76,7 @@ impl ErrorCode for MeilisearchHttpError {
             MeilisearchHttpError::FileStore(_) => Code::Internal,
             MeilisearchHttpError::DocumentFormat(e) => e.error_code(),
             MeilisearchHttpError::Join(_) => Code::Internal,
+            MeilisearchHttpError::ReportNotFound(_) => Code::ReportNotFound,
         }
     }
 }

meilisearch/src/routes/indexes/facet_search.rs

@@ -111,7 +111,6 @@ impl From<FacetSearchQuery> for SearchQuery {
             show_ranking_score: false,
             show_ranking_score_details: false,
             filter,
-            boosting_filter: None,
             sort: None,
             facets: None,
             highlight_pre_tag: DEFAULT_HIGHLIGHT_PRE_TAG(),

meilisearch/src/routes/indexes/search.rs

@@ -54,8 +54,6 @@ pub struct SearchQueryGet {
     attributes_to_highlight: Option<CS<String>>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchFilter>)]
     filter: Option<String>,
-    #[deserr(default, error = DeserrQueryParamError<InvalidSearchBoostingFilter>)]
-    boosting_filter: Option<String>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchSort>)]
     sort: Option<String>,
     #[deserr(default, error = DeserrQueryParamError<InvalidSearchShowMatchesPosition>)]
@@ -88,14 +86,6 @@ impl From<SearchQueryGet> for SearchQuery {
             None => None,
         };
 
-        let boosting_filter = match other.boosting_filter {
-            Some(f) => match serde_json::from_str(&f) {
-                Ok(v) => Some(v),
-                _ => Some(Value::String(f)),
-            },
-            None => None,
-        };
-
         Self {
             q: other.q,
             vector: other.vector.map(CS::into_inner),
@@ -108,7 +98,6 @@ impl From<SearchQueryGet> for SearchQuery {
             crop_length: other.crop_length.0,
             attributes_to_highlight: other.attributes_to_highlight.map(|o| o.into_iter().collect()),
             filter,
-            boosting_filter,
             sort: other.sort.map(|attr| fix_sort_query_parameters(&attr)),
             show_matches_position: other.show_matches_position.0,
             show_ranking_score: other.show_ranking_score.0,

meilisearch/src/routes/mod.rs

@@ -24,6 +24,7 @@ pub mod features;
 pub mod indexes;
 mod metrics;
 mod multi_search;
+mod reports;
 mod snapshot;
 mod swap_indexes;
 pub mod tasks;
@@ -40,7 +41,8 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
         .service(web::scope("/multi-search").configure(multi_search::configure))
         .service(web::scope("/swap-indexes").configure(swap_indexes::configure))
         .service(web::scope("/metrics").configure(metrics::configure))
-        .service(web::scope("/experimental-features").configure(features::configure));
+        .service(web::scope("/experimental-features").configure(features::configure))
+        .service(web::scope("/reports").configure(reports::configure));
 }
 
 #[derive(Debug, Serialize)]

meilisearch/src/routes/reports.rs

@@ -0,0 +1,39 @@
+use actix_web::web::{self, Data};
+use actix_web::HttpResponse;
+use index_scheduler::{IndexScheduler, Report};
+use meilisearch_types::error::ResponseError;
+use meilisearch_types::keys::actions;
+
+use crate::extractors::authentication::policies::ActionPolicy;
+use crate::extractors::authentication::GuardedData;
+use crate::extractors::sequential_extractor::SeqHandler;
+
+pub fn configure(cfg: &mut web::ServiceConfig) {
+    cfg.service(web::resource("").route(web::get().to(list_reports))).service(
+        web::scope("/{report_uid}")
+            .service(web::resource("").route(web::get().to(SeqHandler(get_report)))),
+    );
+}
+
+pub async fn list_reports(
+    index_scheduler: GuardedData<ActionPolicy<{ actions::SETTINGS_ALL }>, Data<IndexScheduler>>,
+) -> Result<HttpResponse, ResponseError> {
+    let reports = &index_scheduler.reports();
+    let reports = &reports.read().unwrap();
+    let reports: Vec<&Report> = reports.iter().collect();
+
+    Ok(HttpResponse::Ok().json(reports))
+}
+
+pub async fn get_report(
+    index_scheduler: GuardedData<ActionPolicy<{ actions::SETTINGS_ALL }>, Data<IndexScheduler>>,
+    report_id: web::Path<uuid::Uuid>,
+) -> Result<HttpResponse, ResponseError> {
+    let reports = &index_scheduler.reports();
+    let reports = &reports.read().unwrap();
+    let report = reports
+        .find(*report_id)
+        .ok_or(crate::error::MeilisearchHttpError::ReportNotFound(*report_id))?;
+
+    Ok(HttpResponse::Ok().json(report))
+}

meilisearch/src/search.rs

@@ -71,8 +71,6 @@ pub struct SearchQuery {
     pub show_ranking_score_details: bool,
     #[deserr(default, error = DeserrJsonError<InvalidSearchFilter>)]
     pub filter: Option<Value>,
-    #[deserr(default, error = DeserrJsonError<InvalidSearchBoostingFilter>)]
-    pub boosting_filter: Option<Value>,
     #[deserr(default, error = DeserrJsonError<InvalidSearchSort>)]
     pub sort: Option<Vec<String>>,
     #[deserr(default, error = DeserrJsonError<InvalidSearchFacets>)]
@@ -132,8 +130,6 @@ pub struct SearchQueryWithIndex {
     pub show_matches_position: bool,
     #[deserr(default, error = DeserrJsonError<InvalidSearchFilter>)]
     pub filter: Option<Value>,
-    #[deserr(default, error = DeserrJsonError<InvalidSearchBoostingFilter>)]
-    pub boosting_filter: Option<Value>,
     #[deserr(default, error = DeserrJsonError<InvalidSearchSort>)]
     pub sort: Option<Vec<String>>,
     #[deserr(default, error = DeserrJsonError<InvalidSearchFacets>)]
@@ -168,7 +164,6 @@ impl SearchQueryWithIndex {
             show_ranking_score_details,
             show_matches_position,
             filter,
-            boosting_filter,
             sort,
             facets,
             highlight_pre_tag,
@@ -194,7 +189,6 @@ impl SearchQueryWithIndex {
                 show_ranking_score_details,
                 show_matches_position,
                 filter,
-                boosting_filter,
                 sort,
                 facets,
                 highlight_pre_tag,
@@ -403,14 +397,8 @@ fn prepare_search<'t>(
     search.limit(limit);
 
     if let Some(ref filter) = query.filter {
-        if let Some(filter) = parse_filter(filter)? {
-            search.filter(filter);
-        }
-    }
-
-    if let Some(ref boosting_filter) = query.boosting_filter {
-        if let Some(boosting_filter) = parse_filter(boosting_filter)? {
-            search.boosting_filter(boosting_filter);
+        if let Some(facets) = parse_filter(filter)? {
+            search.filter(facets);
         }
     }
 

milli/examples/search.rs

@@ -58,7 +58,6 @@ fn main() -> Result<(), Box<dyn Error>> {
                 false,
                 &None,
                 &None,
-                &None,
                 GeoSortStrategy::default(),
                 0,
                 20,

milli/examples/settings.rs

@@ -3,7 +3,7 @@ use heed::EnvOpenOptions;
 // use maplit::hashset;
 use milli::{
     update::{IndexerConfig, Settings},
-    Index, RankingRule,
+    Criterion, Index,
 };
 
 fn main() {
@@ -19,13 +19,13 @@ fn main() {
     // builder.set_min_word_len_one_typo(5);
     // builder.set_min_word_len_two_typos(7);
     // builder.set_sortable_fields(hashset! { S("release_date") });
-    builder.set_ranking_rules(vec![
-        RankingRule::Words,
-        RankingRule::Typo,
-        RankingRule::Proximity,
-        RankingRule::Attribute,
-        RankingRule::Sort,
-        RankingRule::Exactness,
+    builder.set_criteria(vec![
+        Criterion::Words,
+        Criterion::Typo,
+        Criterion::Proximity,
+        Criterion::Attribute,
+        Criterion::Sort,
+        Criterion::Exactness,
     ]);
 
     builder.execute(|_| (), || false).unwrap();

milli/src/asc_desc.rs

@@ -8,7 +8,7 @@ use thiserror::Error;
 
 use crate::error::is_reserved_keyword;
 use crate::search::facet::BadGeoError;
-use crate::{Error, RankingRuleError, UserError};
+use crate::{CriterionError, Error, UserError};
 
 /// This error type is never supposed to be shown to the end user.
 /// You must always cast it to a sort error or a criterion error.
@@ -28,23 +28,23 @@ impl From<BadGeoError> for AscDescError {
     }
 }
 
-impl From<AscDescError> for RankingRuleError {
+impl From<AscDescError> for CriterionError {
     fn from(error: AscDescError) -> Self {
         match error {
             AscDescError::GeoError(_) => {
-                RankingRuleError::ReservedNameForSort { name: "_geoPoint".to_string() }
+                CriterionError::ReservedNameForSort { name: "_geoPoint".to_string() }
             }
-            AscDescError::InvalidSyntax { name } => RankingRuleError::InvalidName { name },
+            AscDescError::InvalidSyntax { name } => CriterionError::InvalidName { name },
             AscDescError::ReservedKeyword { name } if name.starts_with("_geoPoint") => {
-                RankingRuleError::ReservedNameForSort { name: "_geoPoint".to_string() }
+                CriterionError::ReservedNameForSort { name: "_geoPoint".to_string() }
             }
             AscDescError::ReservedKeyword { name } if name.starts_with("_geoRadius") => {
-                RankingRuleError::ReservedNameForFilter { name: "_geoRadius".to_string() }
+                CriterionError::ReservedNameForFilter { name: "_geoRadius".to_string() }
             }
             AscDescError::ReservedKeyword { name } if name.starts_with("_geoBoundingBox") => {
-                RankingRuleError::ReservedNameForFilter { name: "_geoBoundingBox".to_string() }
+                CriterionError::ReservedNameForFilter { name: "_geoBoundingBox".to_string() }
             }
-            AscDescError::ReservedKeyword { name } => RankingRuleError::ReservedName { name },
+            AscDescError::ReservedKeyword { name } => CriterionError::ReservedName { name },
         }
     }
 }

milli/src/criterion.rs

@@ -7,7 +7,7 @@ use thiserror::Error;
 use crate::{AscDesc, Member};
 
 #[derive(Error, Debug)]
-pub enum RankingRuleError {
+pub enum CriterionError {
     #[error("`{name}` ranking rule is invalid. Valid ranking rules are words, typo, sort, proximity, attribute, exactness and custom ranking rules.")]
     InvalidName { name: String },
     #[error("`{name}` is a reserved keyword and thus can't be used as a ranking rule")]
@@ -25,9 +25,7 @@ pub enum RankingRuleError {
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
-pub enum RankingRule {
-    /// Sorted by documents matching the given filter and then documents not matching it.
-    FilterBoosting(String),
+pub enum Criterion {
     /// Sorted by decreasing number of matched query terms.
     /// Query words at the front of an attribute is considered better than if it was at the back.
     Words,
@@ -49,68 +47,62 @@ pub enum RankingRule {
     Desc(String),
 }
 
-impl RankingRule {
+impl Criterion {
     /// Returns the field name parameter of this criterion.
     pub fn field_name(&self) -> Option<&str> {
         match self {
-            RankingRule::Asc(name) | RankingRule::Desc(name) => Some(name),
+            Criterion::Asc(name) | Criterion::Desc(name) => Some(name),
             _otherwise => None,
         }
     }
 }
 
-impl FromStr for RankingRule {
-    type Err = RankingRuleError;
+impl FromStr for Criterion {
+    type Err = CriterionError;
 
-    fn from_str(text: &str) -> Result<RankingRule, Self::Err> {
+    fn from_str(text: &str) -> Result<Criterion, Self::Err> {
         match text {
-            "words" => Ok(RankingRule::Words),
-            "typo" => Ok(RankingRule::Typo),
-            "proximity" => Ok(RankingRule::Proximity),
-            "attribute" => Ok(RankingRule::Attribute),
-            "sort" => Ok(RankingRule::Sort),
-            "exactness" => Ok(RankingRule::Exactness),
-            text => match AscDesc::from_str(text) {
-                Ok(asc_desc) => match asc_desc {
-                    AscDesc::Asc(Member::Field(field)) => Ok(RankingRule::Asc(field)),
-                    AscDesc::Desc(Member::Field(field)) => Ok(RankingRule::Desc(field)),
-                    AscDesc::Asc(Member::Geo(_)) | AscDesc::Desc(Member::Geo(_)) => {
-                        Err(RankingRuleError::ReservedNameForSort {
-                            name: "_geoPoint".to_string(),
-                        })?
-                    }
-                },
-                Err(err) => Err(err.into()),
+            "words" => Ok(Criterion::Words),
+            "typo" => Ok(Criterion::Typo),
+            "proximity" => Ok(Criterion::Proximity),
+            "attribute" => Ok(Criterion::Attribute),
+            "sort" => Ok(Criterion::Sort),
+            "exactness" => Ok(Criterion::Exactness),
+            text => match AscDesc::from_str(text)? {
+                AscDesc::Asc(Member::Field(field)) => Ok(Criterion::Asc(field)),
+                AscDesc::Desc(Member::Field(field)) => Ok(Criterion::Desc(field)),
+                AscDesc::Asc(Member::Geo(_)) | AscDesc::Desc(Member::Geo(_)) => {
+                    Err(CriterionError::ReservedNameForSort { name: "_geoPoint".to_string() })?
+                }
             },
         }
     }
 }
 
-pub fn default_criteria() -> Vec<RankingRule> {
+pub fn default_criteria() -> Vec<Criterion> {
     vec![
-        RankingRule::Words,
-        RankingRule::Typo,
-        RankingRule::Proximity,
-        RankingRule::Attribute,
-        RankingRule::Sort,
-        RankingRule::Exactness,
+        Criterion::Words,
+        Criterion::Typo,
+        Criterion::Proximity,
+        Criterion::Attribute,
+        Criterion::Sort,
+        Criterion::Exactness,
     ]
 }
 
-impl fmt::Display for RankingRule {
+impl fmt::Display for Criterion {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        use RankingRule::*;
+        use Criterion::*;
 
         match self {
             Words => f.write_str("words"),
-            FilterBoosting(_) => write!(f, "filterBoosting"),
             Typo => f.write_str("typo"),
             Proximity => f.write_str("proximity"),
             Attribute => f.write_str("attribute"),
             Sort => f.write_str("sort"),
             Exactness => f.write_str("exactness"),
-            Asc(attr) => write!(f, "{attr}:asc"),
-            Desc(attr) => write!(f, "{attr}:desc"),
+            Asc(attr) => write!(f, "{}:asc", attr),
+            Desc(attr) => write!(f, "{}:desc", attr),
         }
     }
 }
@@ -118,29 +110,29 @@ impl fmt::Display for RankingRule {
 #[cfg(test)]
 mod tests {
     use big_s::S;
-    use RankingRuleError::*;
+    use CriterionError::*;
 
     use super::*;
 
     #[test]
     fn parse_criterion() {
         let valid_criteria = [
-            ("words", RankingRule::Words),
-            ("typo", RankingRule::Typo),
-            ("proximity", RankingRule::Proximity),
-            ("attribute", RankingRule::Attribute),
-            ("sort", RankingRule::Sort),
-            ("exactness", RankingRule::Exactness),
-            ("price:asc", RankingRule::Asc(S("price"))),
-            ("price:desc", RankingRule::Desc(S("price"))),
-            ("price:asc:desc", RankingRule::Desc(S("price:asc"))),
-            ("truc:machin:desc", RankingRule::Desc(S("truc:machin"))),
-            ("hello-world!:desc", RankingRule::Desc(S("hello-world!"))),
-            ("it's spacy over there:asc", RankingRule::Asc(S("it's spacy over there"))),
+            ("words", Criterion::Words),
+            ("typo", Criterion::Typo),
+            ("proximity", Criterion::Proximity),
+            ("attribute", Criterion::Attribute),
+            ("sort", Criterion::Sort),
+            ("exactness", Criterion::Exactness),
+            ("price:asc", Criterion::Asc(S("price"))),
+            ("price:desc", Criterion::Desc(S("price"))),
+            ("price:asc:desc", Criterion::Desc(S("price:asc"))),
+            ("truc:machin:desc", Criterion::Desc(S("truc:machin"))),
+            ("hello-world!:desc", Criterion::Desc(S("hello-world!"))),
+            ("it's spacy over there:asc", Criterion::Asc(S("it's spacy over there"))),
         ];
 
         for (input, expected) in valid_criteria {
-            let res = input.parse::<RankingRule>();
+            let res = input.parse::<Criterion>();
             assert!(
                 res.is_ok(),
                 "Failed to parse `{}`, was expecting `{:?}` but instead got `{:?}`",
@@ -175,7 +167,7 @@ mod tests {
         ];
 
         for (input, expected) in invalid_criteria {
-            let res = input.parse::<RankingRule>();
+            let res = input.parse::<Criterion>();
             assert!(
                 res.is_err(),
                 "Should no be able to parse `{}`, was expecting an error but instead got: `{:?}`",

milli/src/error.rs

@@ -9,7 +9,7 @@ use serde_json::Value;
 use thiserror::Error;
 
 use crate::documents::{self, DocumentsBatchCursorError};
-use crate::{DocumentId, FieldId, Object, RankingRuleError, SortError};
+use crate::{CriterionError, DocumentId, FieldId, Object, SortError};
 
 pub fn is_reserved_keyword(keyword: &str) -> bool {
     ["_geo", "_geoDistance", "_geoPoint", "_geoRadius", "_geoBoundingBox"].contains(&keyword)
@@ -94,7 +94,7 @@ pub enum UserError {
     #[error("A document cannot contain more than 65,535 fields.")]
     AttributeLimitReached,
     #[error(transparent)]
-    CriterionError(#[from] RankingRuleError),
+    CriterionError(#[from] CriterionError),
     #[error("Maximum number of documents reached.")]
     DocumentLimitReached,
     #[error(
@@ -116,8 +116,6 @@ only composed of alphanumeric characters (a-z A-Z 0-9), hyphens (-) and undersco
     InvalidVectorsType { document_id: Value, value: Value },
     #[error("{0}")]
     InvalidFilter(String),
-    #[error("{0}")]
-    InvalidBoostingFilter(String),
     #[error("Invalid type for filter subexpression: expected: {}, found: {1}.", .0.join(", "))]
     InvalidFilterExpression(&'static [&'static str], Value),
     #[error("Attribute `{}` is not sortable. {}",
@@ -282,7 +280,7 @@ error_from_sub_error! {
     ThreadPoolBuildError => InternalError,
     SerializationError => InternalError,
     GeoError => UserError,
-    RankingRuleError => UserError,
+    CriterionError => UserError,
 }
 
 impl<E> From<grenad::Error<E>> for Error

milli/src/index.rs

@@ -25,9 +25,10 @@ use crate::heed_codec::{
 };
 use crate::readable_slices::ReadableSlices;
 use crate::{
-    default_criteria, CboRoaringBitmapCodec, DocumentId, ExternalDocumentsIds, FacetDistribution,
-    FieldDistribution, FieldId, FieldIdWordCountCodec, GeoPoint, ObkvCodec, OrderBy, RankingRule,
-    Result, RoaringBitmapCodec, RoaringBitmapLenCodec, Search, U8StrStrCodec, BEU16, BEU32,
+    default_criteria, CboRoaringBitmapCodec, Criterion, DocumentId, ExternalDocumentsIds,
+    FacetDistribution, FieldDistribution, FieldId, FieldIdWordCountCodec, GeoPoint, ObkvCodec,
+    OrderBy, Result, RoaringBitmapCodec, RoaringBitmapLenCodec, Search, U8StrStrCodec, BEU16,
+    BEU32,
 };
 
 /// The HNSW data-structure that we serialize, fill and search in.
@@ -894,7 +895,7 @@ impl Index {
         let distinct_field = self.distinct_field(rtxn)?;
         let asc_desc_fields =
             self.criteria(rtxn)?.into_iter().filter_map(|criterion| match criterion {
-                RankingRule::Asc(field) | RankingRule::Desc(field) => Some(field),
+                Criterion::Asc(field) | Criterion::Desc(field) => Some(field),
                 _otherwise => None,
             });
 
@@ -1022,17 +1023,17 @@ impl Index {
     pub(crate) fn put_criteria(
         &self,
         wtxn: &mut RwTxn,
-        criteria: &[RankingRule],
+        criteria: &[Criterion],
     ) -> heed::Result<()> {
-        self.main.put::<_, Str, SerdeJson<&[RankingRule]>>(wtxn, main_key::CRITERIA_KEY, &criteria)
+        self.main.put::<_, Str, SerdeJson<&[Criterion]>>(wtxn, main_key::CRITERIA_KEY, &criteria)
     }
 
     pub(crate) fn delete_criteria(&self, wtxn: &mut RwTxn) -> heed::Result<bool> {
         self.main.delete::<_, Str>(wtxn, main_key::CRITERIA_KEY)
     }
 
-    pub fn criteria(&self, rtxn: &RoTxn) -> heed::Result<Vec<RankingRule>> {
-        match self.main.get::<_, Str, SerdeJson<Vec<RankingRule>>>(rtxn, main_key::CRITERIA_KEY)? {
+    pub fn criteria(&self, rtxn: &RoTxn) -> heed::Result<Vec<Criterion>> {
+        match self.main.get::<_, Str, SerdeJson<Vec<Criterion>>>(rtxn, main_key::CRITERIA_KEY)? {
             Some(criteria) => Ok(criteria),
             None => Ok(default_criteria()),
         }

milli/src/lib.rs

@@ -9,6 +9,7 @@ pub static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 pub mod documents;
 
 mod asc_desc;
+mod criterion;
 pub mod distance;
 mod error;
 mod external_documents_ids;
@@ -17,7 +18,6 @@ mod fields_ids_map;
 pub mod heed_codec;
 pub mod index;
 pub mod proximity;
-mod ranking_rule;
 mod readable_slices;
 pub mod score_details;
 mod search;
@@ -44,6 +44,7 @@ use serde_json::Value;
 pub use {charabia as tokenizer, heed};
 
 pub use self::asc_desc::{AscDesc, AscDescError, Member, SortError};
+pub use self::criterion::{default_criteria, Criterion, CriterionError};
 pub use self::error::{
     Error, FieldIdMapMissingEntry, InternalError, SerializationError, UserError,
 };
@@ -56,7 +57,6 @@ pub use self::heed_codec::{
     UncheckedU8StrStrCodec,
 };
 pub use self::index::Index;
-pub use self::ranking_rule::{default_criteria, RankingRule, RankingRuleError};
 pub use self::search::{
     FacetDistribution, FacetValueHit, Filter, FormatOptions, MatchBounds, MatcherBuilder,
     MatchingWords, OrderBy, Search, SearchForFacetValues, SearchResult, TermsMatchingStrategy,

milli/src/score_details.rs

@@ -5,7 +5,6 @@ use crate::distance_between_two_points;
 #[derive(Debug, Clone, PartialEq)]
 pub enum ScoreDetails {
     Words(Words),
-    FilterBoosting(FilterBoosting),
     Typo(Typo),
     Proximity(Rank),
     Fid(Rank),
@@ -24,7 +23,6 @@ impl ScoreDetails {
     pub fn rank(&self) -> Option<Rank> {
         match self {
             ScoreDetails::Words(details) => Some(details.rank()),
-            ScoreDetails::FilterBoosting(_) => None,
             ScoreDetails::Typo(details) => Some(details.rank()),
             ScoreDetails::Proximity(details) => Some(*details),
             ScoreDetails::Fid(details) => Some(*details),
@@ -62,11 +60,6 @@ impl ScoreDetails {
                     details_map.insert("words".into(), words_details);
                     order += 1;
                 }
-                ScoreDetails::FilterBoosting(FilterBoosting { matching }) => {
-                    let sort_details = serde_json::json!({ "matching": matching });
-                    details_map.insert("filterBoosting".into(), sort_details);
-                    order += 1;
-                }
                 ScoreDetails::Typo(typo) => {
                     let typo_details = serde_json::json!({
                         "order": order,
@@ -228,11 +221,6 @@ impl Words {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct FilterBoosting {
-    pub matching: bool,
-}
-
 /// Structure that is super similar to [`Words`], but whose semantics is a bit distinct.
 ///
 /// In exactness, the number of matching words can actually be 0 with a non-zero score,

milli/src/search/mod.rs

@@ -38,7 +38,6 @@ pub struct Search<'a> {
     vector: Option<Vec<f32>>,
     // this should be linked to the String in the query
     filter: Option<Filter<'a>>,
-    boosting_filter: Option<Filter<'a>>,
     offset: usize,
     limit: usize,
     sort_criteria: Option<Vec<AscDesc>>,
@@ -58,7 +57,6 @@ impl<'a> Search<'a> {
             query: None,
             vector: None,
             filter: None,
-            boosting_filter: None,
             offset: 0,
             limit: 20,
             sort_criteria: None,
@@ -123,11 +121,6 @@ impl<'a> Search<'a> {
         self
     }
 
-    pub fn boosting_filter(&mut self, condition: Filter<'a>) -> &mut Search<'a> {
-        self.boosting_filter = Some(condition);
-        self
-    }
-
     #[cfg(test)]
     pub fn geo_sort_strategy(&mut self, strategy: new::GeoSortStrategy) -> &mut Search<'a> {
         self.geo_strategy = strategy;
@@ -157,7 +150,6 @@ impl<'a> Search<'a> {
                 self.scoring_strategy,
                 self.exhaustive_number_hits,
                 &self.filter,
-                &self.boosting_filter,
                 &self.sort_criteria,
                 self.geo_strategy,
                 self.offset,
@@ -183,7 +175,6 @@ impl fmt::Debug for Search<'_> {
             query,
             vector: _,
             filter,
-            boosting_filter,
             offset,
             limit,
             sort_criteria,
@@ -200,7 +191,6 @@ impl fmt::Debug for Search<'_> {
             .field("query", query)
             .field("vector", &"[...]")
             .field("filter", filter)
-            .field("boosting_filter", boosting_filter)
             .field("offset", offset)
             .field("limit", limit)
             .field("sort_criteria", sort_criteria)

milli/src/search/new/filter_boosting.rs

@@ -1,79 +0,0 @@
-use roaring::RoaringBitmap;
-
-use super::logger::SearchLogger;
-use super::{RankingRule, RankingRuleOutput, RankingRuleQueryTrait, SearchContext};
-use crate::score_details::{self, ScoreDetails};
-use crate::{Filter, Result};
-
-pub struct FilterBoosting<'f, Query> {
-    filter: Filter<'f>,
-    original_query: Option<Query>,
-    matching: Option<RankingRuleOutput<Query>>,
-    non_matching: Option<RankingRuleOutput<Query>>,
-}
-
-impl<'f, Query> FilterBoosting<'f, Query> {
-    pub fn new(filter: Filter<'f>) -> Result<Self> {
-        Ok(Self { filter, original_query: None, matching: None, non_matching: None })
-    }
-}
-
-impl<'ctx, 'f, Query: RankingRuleQueryTrait> RankingRule<'ctx, Query>
-    for FilterBoosting<'f, Query>
-{
-    fn id(&self) -> String {
-        // TODO improve this
-        let Self { filter: original_expression, .. } = self;
-        format!("boost:{original_expression:?}")
-    }
-
-    fn start_iteration(
-        &mut self,
-        ctx: &mut SearchContext<'ctx>,
-        _logger: &mut dyn SearchLogger<Query>,
-        parent_candidates: &RoaringBitmap,
-        parent_query: &Query,
-    ) -> Result<()> {
-        let universe_matching = match self.filter.evaluate(ctx.txn, ctx.index) {
-            Ok(documents) => documents,
-            Err(e) => return Err(e), // TODO manage the invalid_search_boosting_filter
-        };
-        let matching = parent_candidates & universe_matching;
-        let non_matching = parent_candidates - &matching;
-
-        self.original_query = Some(parent_query.clone());
-
-        self.matching = Some(RankingRuleOutput {
-            query: parent_query.clone(),
-            candidates: matching,
-            score: ScoreDetails::FilterBoosting(score_details::FilterBoosting { matching: true }),
-        });
-
-        self.non_matching = Some(RankingRuleOutput {
-            query: parent_query.clone(),
-            candidates: non_matching,
-            score: ScoreDetails::FilterBoosting(score_details::FilterBoosting { matching: false }),
-        });
-
-        Ok(())
-    }
-
-    fn next_bucket(
-        &mut self,
-        _ctx: &mut SearchContext<'ctx>,
-        _logger: &mut dyn SearchLogger<Query>,
-        _universe: &RoaringBitmap,
-    ) -> Result<Option<RankingRuleOutput<Query>>> {
-        Ok(self.matching.take().or_else(|| self.non_matching.take()))
-    }
-
-    fn end_iteration(
-        &mut self,
-        _ctx: &mut SearchContext<'ctx>,
-        _logger: &mut dyn SearchLogger<Query>,
-    ) {
-        self.original_query = None;
-        self.matching = None;
-        self.non_matching = None;
-    }
-}

milli/src/search/new/matches/mod.rs

@@ -512,7 +512,6 @@ mod tests {
                 false,
                 &None,
                 &None,
-                &None,
                 crate::search::new::GeoSortStrategy::default(),
                 0,
                 100,

milli/src/search/new/mod.rs

@@ -15,7 +15,6 @@ mod resolve_query_graph;
 mod small_bitmap;
 
 mod exact_attribute;
-mod filter_boosting;
 mod sort;
 
 #[cfg(test)]
@@ -27,7 +26,6 @@ use bucket_sort::{bucket_sort, BucketSortOutput};
 use charabia::TokenizerBuilder;
 use db_cache::DatabaseCache;
 use exact_attribute::ExactAttribute;
-use filter_boosting::FilterBoosting;
 use graph_based_ranking_rule::{Exactness, Fid, Position, Proximity, Typo};
 use heed::RoTxn;
 use instant_distance::Search;
@@ -192,30 +190,25 @@ fn resolve_universe(
 }
 
 /// Return the list of initialised ranking rules to be used for a placeholder search.
-fn get_ranking_rules_for_placeholder_search<'ctx, 'f: 'ctx>(
+fn get_ranking_rules_for_placeholder_search<'ctx>(
     ctx: &SearchContext<'ctx>,
     sort_criteria: &Option<Vec<AscDesc>>,
     geo_strategy: geo_sort::Strategy,
-    boosting_filter: &Option<Filter<'f>>,
 ) -> Result<Vec<BoxRankingRule<'ctx, PlaceholderQuery>>> {
     let mut sort = false;
     let mut sorted_fields = HashSet::new();
     let mut geo_sorted = false;
-    let mut ranking_rules: Vec<BoxRankingRule<_>> = match boosting_filter {
-        Some(filter) => vec![Box::new(FilterBoosting::new(filter.clone())?)],
-        None => Vec::new(),
-    };
+    let mut ranking_rules: Vec<BoxRankingRule<PlaceholderQuery>> = vec![];
     let settings_ranking_rules = ctx.index.criteria(ctx.txn)?;
     for rr in settings_ranking_rules {
         match rr {
             // These rules need a query to have an effect; ignore them in placeholder search
-            crate::RankingRule::FilterBoosting(_)
-            | crate::RankingRule::Words
-            | crate::RankingRule::Typo
-            | crate::RankingRule::Attribute
-            | crate::RankingRule::Proximity
-            | crate::RankingRule::Exactness => continue,
-            crate::RankingRule::Sort => {
+            crate::Criterion::Words
+            | crate::Criterion::Typo
+            | crate::Criterion::Attribute
+            | crate::Criterion::Proximity
+            | crate::Criterion::Exactness => continue,
+            crate::Criterion::Sort => {
                 if sort {
                     continue;
                 }
@@ -229,14 +222,14 @@ fn get_ranking_rules_for_placeholder_search<'ctx, 'f: 'ctx>(
                 )?;
                 sort = true;
             }
-            crate::RankingRule::Asc(field_name) => {
+            crate::Criterion::Asc(field_name) => {
                 if sorted_fields.contains(&field_name) {
                     continue;
                 }
                 sorted_fields.insert(field_name.clone());
                 ranking_rules.push(Box::new(Sort::new(ctx.index, ctx.txn, field_name, true)?));
             }
-            crate::RankingRule::Desc(field_name) => {
+            crate::Criterion::Desc(field_name) => {
                 if sorted_fields.contains(&field_name) {
                     continue;
                 }
@@ -249,12 +242,11 @@ fn get_ranking_rules_for_placeholder_search<'ctx, 'f: 'ctx>(
 }
 
 /// Return the list of initialised ranking rules to be used for a query graph search.
-fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
+fn get_ranking_rules_for_query_graph_search<'ctx>(
     ctx: &SearchContext<'ctx>,
     sort_criteria: &Option<Vec<AscDesc>>,
     geo_strategy: geo_sort::Strategy,
     terms_matching_strategy: TermsMatchingStrategy,
-    boosting_filter: &Option<Filter<'f>>,
 ) -> Result<Vec<BoxRankingRule<'ctx, QueryGraph>>> {
     // query graph search
     let mut words = false;
@@ -271,18 +263,15 @@ fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
         words = true;
     }
 
-    let mut ranking_rules: Vec<BoxRankingRule<QueryGraph>> = match boosting_filter {
-        Some(filter) => vec![Box::new(FilterBoosting::new(filter.clone())?)],
-        None => Vec::new(),
-    };
+    let mut ranking_rules: Vec<BoxRankingRule<QueryGraph>> = vec![];
     let settings_ranking_rules = ctx.index.criteria(ctx.txn)?;
     for rr in settings_ranking_rules {
         // Add Words before any of: typo, proximity, attribute
         match rr {
-            crate::RankingRule::Typo
-            | crate::RankingRule::Attribute
-            | crate::RankingRule::Proximity
-            | crate::RankingRule::Exactness => {
+            crate::Criterion::Typo
+            | crate::Criterion::Attribute
+            | crate::Criterion::Proximity
+            | crate::Criterion::Exactness => {
                 if !words {
                     ranking_rules.push(Box::new(Words::new(terms_matching_strategy)));
                     words = true;
@@ -291,33 +280,28 @@ fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
             _ => {}
         }
         match rr {
-            crate::RankingRule::Words => {
+            crate::Criterion::Words => {
                 if words {
                     continue;
                 }
                 ranking_rules.push(Box::new(Words::new(terms_matching_strategy)));
                 words = true;
             }
-            crate::RankingRule::FilterBoosting(_) => {
-                // that is not possible to define the filterBoosting ranking rule by hand,
-                // or by using the seetings. It is always inserted by the engine itself.
-                continue;
-            }
-            crate::RankingRule::Typo => {
+            crate::Criterion::Typo => {
                 if typo {
                     continue;
                 }
                 typo = true;
                 ranking_rules.push(Box::new(Typo::new(None)));
             }
-            crate::RankingRule::Proximity => {
+            crate::Criterion::Proximity => {
                 if proximity {
                     continue;
                 }
                 proximity = true;
                 ranking_rules.push(Box::new(Proximity::new(None)));
             }
-            crate::RankingRule::Attribute => {
+            crate::Criterion::Attribute => {
                 if attribute {
                     continue;
                 }
@@ -325,7 +309,7 @@ fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
                 ranking_rules.push(Box::new(Fid::new(None)));
                 ranking_rules.push(Box::new(Position::new(None)));
             }
-            crate::RankingRule::Sort => {
+            crate::Criterion::Sort => {
                 if sort {
                     continue;
                 }
@@ -339,7 +323,7 @@ fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
                 )?;
                 sort = true;
             }
-            crate::RankingRule::Exactness => {
+            crate::Criterion::Exactness => {
                 if exactness {
                     continue;
                 }
@@ -347,15 +331,14 @@ fn get_ranking_rules_for_query_graph_search<'ctx, 'f: 'ctx>(
                 ranking_rules.push(Box::new(Exactness::new()));
                 exactness = true;
             }
-            crate::RankingRule::Asc(field_name) => {
-                // TODO Question: Why would it be invalid to sort price:asc, typo, price:desc?
+            crate::Criterion::Asc(field_name) => {
                 if sorted_fields.contains(&field_name) {
                     continue;
                 }
                 sorted_fields.insert(field_name.clone());
                 ranking_rules.push(Box::new(Sort::new(ctx.index, ctx.txn, field_name, true)?));
             }
-            crate::RankingRule::Desc(field_name) => {
+            crate::Criterion::Desc(field_name) => {
                 if sorted_fields.contains(&field_name) {
                     continue;
                 }
@@ -423,15 +406,14 @@ fn resolve_sort_criteria<'ctx, Query: RankingRuleQueryTrait>(
 }
 
 #[allow(clippy::too_many_arguments)]
-pub fn execute_search<'ctx, 'f: 'ctx>(
-    ctx: &mut SearchContext<'ctx>,
+pub fn execute_search(
+    ctx: &mut SearchContext,
     query: &Option<String>,
     vector: &Option<Vec<f32>>,
     terms_matching_strategy: TermsMatchingStrategy,
     scoring_strategy: ScoringStrategy,
     exhaustive_number_hits: bool,
-    filter: &Option<Filter>,
-    boosting_filter: &Option<Filter<'f>>,
+    filters: &Option<Filter>,
     sort_criteria: &Option<Vec<AscDesc>>,
     geo_strategy: geo_sort::Strategy,
     from: usize,
@@ -440,8 +422,8 @@ pub fn execute_search<'ctx, 'f: 'ctx>(
     placeholder_search_logger: &mut dyn SearchLogger<PlaceholderQuery>,
     query_graph_logger: &mut dyn SearchLogger<QueryGraph>,
 ) -> Result<PartialSearchResult> {
-    let mut universe = if let Some(filter) = filter {
-        filter.evaluate(ctx.txn, ctx.index)?
+    let mut universe = if let Some(filters) = filters {
+        filters.evaluate(ctx.txn, ctx.index)?
     } else {
         ctx.index.documents_ids(ctx.txn)?
     };
@@ -534,7 +516,6 @@ pub fn execute_search<'ctx, 'f: 'ctx>(
             sort_criteria,
             geo_strategy,
             terms_matching_strategy,
-            boosting_filter,
         )?;
 
         universe =
@@ -551,13 +532,8 @@ pub fn execute_search<'ctx, 'f: 'ctx>(
             query_graph_logger,
         )?
     } else {
-        let ranking_rules = get_ranking_rules_for_placeholder_search(
-            ctx,
-            sort_criteria,
-            geo_strategy,
-            boosting_filter,
-        )?;
-
+        let ranking_rules =
+            get_ranking_rules_for_placeholder_search(ctx, sort_criteria, geo_strategy)?;
         bucket_sort(
             ctx,
             ranking_rules,
@@ -604,8 +580,7 @@ fn check_sort_criteria(ctx: &SearchContext, sort_criteria: Option<&Vec<AscDesc>>
 
     // We check that the sort ranking rule exists and throw an
     // error if we try to use it and that it doesn't.
-    let sort_ranking_rule_missing =
-        !ctx.index.criteria(ctx.txn)?.contains(&crate::RankingRule::Sort);
+    let sort_ranking_rule_missing = !ctx.index.criteria(ctx.txn)?.contains(&crate::Criterion::Sort);
     if sort_ranking_rule_missing {
         return Err(UserError::SortRankingRuleMissing.into());
     }

milli/src/search/new/tests/attribute_fid.rs

@@ -1,5 +1,5 @@
 use crate::index::tests::TempIndex;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -12,7 +12,7 @@ fn create_index() -> TempIndex {
                 "description".to_owned(),
                 "plot".to_owned(),
             ]);
-            s.set_ranking_rules(vec![RankingRule::Attribute]);
+            s.set_criteria(vec![Criterion::Attribute]);
         })
         .unwrap();
 

milli/src/search/new/tests/attribute_position.rs

@@ -1,5 +1,5 @@
 use crate::index::tests::TempIndex;
-use crate::{db_snap, RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{db_snap, Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -12,7 +12,7 @@ fn create_index() -> TempIndex {
                 "text2".to_owned(),
                 "other".to_owned(),
             ]);
-            s.set_ranking_rules(vec![RankingRule::Attribute]);
+            s.set_criteria(vec![Criterion::Attribute]);
         })
         .unwrap();
 

milli/src/search/new/tests/distinct.rs

@@ -19,7 +19,7 @@ use maplit::hashset;
 
 use super::collect_field_values;
 use crate::index::tests::TempIndex;
-use crate::{AscDesc, Index, Member, RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{AscDesc, Criterion, Index, Member, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -30,7 +30,7 @@ fn create_index() -> TempIndex {
             s.set_searchable_fields(vec!["text".to_owned()]);
             s.set_sortable_fields(hashset! { S("rank1"), S("letter") });
             s.set_distinct_field("letter".to_owned());
-            s.set_ranking_rules(vec![RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Words]);
         })
         .unwrap();
 
@@ -252,7 +252,7 @@ fn test_distinct_placeholder_sort() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Sort]);
+            s.set_criteria(vec![Criterion::Sort]);
         })
         .unwrap();
 
@@ -387,7 +387,7 @@ fn test_distinct_words() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Words]);
         })
         .unwrap();
 
@@ -440,11 +440,7 @@ fn test_distinct_sort_words() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![
-                RankingRule::Sort,
-                RankingRule::Words,
-                RankingRule::Desc(S("rank1")),
-            ]);
+            s.set_criteria(vec![Criterion::Sort, Criterion::Words, Criterion::Desc(S("rank1"))]);
         })
         .unwrap();
 
@@ -517,7 +513,7 @@ fn test_distinct_all_candidates() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Sort]);
+            s.set_criteria(vec![Criterion::Sort]);
         })
         .unwrap();
 
@@ -540,7 +536,7 @@ fn test_distinct_typo() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Typo]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Typo]);
         })
         .unwrap();
 

milli/src/search/new/tests/exactness.rs

@@ -21,7 +21,7 @@ Then these rules will only work with
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index_simple_ordered() -> TempIndex {
     let index = TempIndex::new();
@@ -30,7 +30,7 @@ fn create_index_simple_ordered() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -89,7 +89,7 @@ fn create_index_simple_reversed() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -147,7 +147,7 @@ fn create_index_simple_random() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -201,7 +201,7 @@ fn create_index_attribute_starts_with() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -251,7 +251,7 @@ fn create_index_simple_ordered_with_typos() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -350,11 +350,7 @@ fn create_index_with_varying_proximities() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![
-                RankingRule::Exactness,
-                RankingRule::Words,
-                RankingRule::Proximity,
-            ]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -408,7 +404,7 @@ fn create_index_with_typo_and_prefix() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Exactness]);
         })
         .unwrap();
 
@@ -446,11 +442,7 @@ fn create_index_all_equal_except_proximity_between_ignored_terms() -> TempIndex
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![
-                RankingRule::Exactness,
-                RankingRule::Words,
-                RankingRule::Proximity,
-            ]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -706,7 +698,7 @@ fn test_exactness_after_words() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Exactness]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Exactness]);
         })
         .unwrap();
 
@@ -755,7 +747,7 @@ fn test_words_after_exactness() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Exactness, RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words]);
         })
         .unwrap();
 
@@ -804,11 +796,7 @@ fn test_proximity_after_exactness() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![
-                RankingRule::Exactness,
-                RankingRule::Words,
-                RankingRule::Proximity,
-            ]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -846,11 +834,7 @@ fn test_proximity_after_exactness() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![
-                RankingRule::Exactness,
-                RankingRule::Words,
-                RankingRule::Proximity,
-            ]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -884,11 +868,7 @@ fn test_exactness_followed_by_typo_prefer_no_typo_prefix() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![
-                RankingRule::Exactness,
-                RankingRule::Words,
-                RankingRule::Typo,
-            ]);
+            s.set_criteria(vec![Criterion::Exactness, Criterion::Words, Criterion::Typo]);
         })
         .unwrap();
 
@@ -924,11 +904,7 @@ fn test_typo_followed_by_exactness() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![
-                RankingRule::Words,
-                RankingRule::Typo,
-                RankingRule::Exactness,
-            ]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Typo, Criterion::Exactness]);
         })
         .unwrap();
 

milli/src/search/new/tests/geo_sort.rs

@@ -9,7 +9,7 @@ use maplit::hashset;
 use crate::index::tests::TempIndex;
 use crate::score_details::ScoreDetails;
 use crate::search::new::tests::collect_field_values;
-use crate::{AscDesc, GeoSortStrategy, Member, RankingRule, Search, SearchResult};
+use crate::{AscDesc, Criterion, GeoSortStrategy, Member, Search, SearchResult};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -18,7 +18,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_sortable_fields(hashset! { S("_geo") });
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Sort]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Sort]);
         })
         .unwrap();
     index

milli/src/search/new/tests/integration.rs

@@ -6,10 +6,10 @@ use maplit::{btreemap, hashset};
 
 use crate::documents::{DocumentsBatchBuilder, DocumentsBatchReader};
 use crate::update::{IndexDocuments, IndexDocumentsConfig, IndexerConfig, Settings};
-use crate::{db_snap, Index, Object, RankingRule};
+use crate::{db_snap, Criterion, Index, Object};
 pub const CONTENT: &str = include_str!("../../../../tests/assets/test_set.ndjson");
 
-pub fn setup_search_index_with_criteria(criteria: &[RankingRule]) -> Index {
+pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
     let path = tempfile::tempdir().unwrap();
     let mut options = EnvOpenOptions::new();
     options.map_size(10 * 1024 * 1024); // 10 MB
@@ -20,7 +20,7 @@ pub fn setup_search_index_with_criteria(criteria: &[RankingRule]) -> Index {
 
     let mut builder = Settings::new(&mut wtxn, &index, &config);
 
-    builder.set_ranking_rules(criteria.to_vec());
+    builder.set_criteria(criteria.to_vec());
     builder.set_filterable_fields(hashset! {
         S("tag"),
         S("asc_desc_rank"),
@@ -70,6 +70,6 @@ pub fn setup_search_index_with_criteria(criteria: &[RankingRule]) -> Index {
 
 #[test]
 fn snapshot_integration_dataset() {
-    let index = setup_search_index_with_criteria(&[RankingRule::Attribute]);
+    let index = setup_search_index_with_criteria(&[Criterion::Attribute]);
     db_snap!(index, word_position_docids, @"3c9347a767bceef3beb31465f1e5f3ae");
 }

milli/src/search/new/tests/ngram_split_words.rs

@@ -19,7 +19,7 @@ This module tests the following properties:
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -28,7 +28,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Words]);
         })
         .unwrap();
 

milli/src/search/new/tests/proximity.rs

@@ -19,7 +19,7 @@ use std::collections::BTreeMap;
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_simple_index() -> TempIndex {
     let index = TempIndex::new();
@@ -28,7 +28,7 @@ fn create_simple_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Proximity]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -94,7 +94,7 @@ fn create_edge_cases_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Proximity]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 

milli/src/search/new/tests/proximity_typo.rs

@@ -8,7 +8,7 @@ implemented.
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -17,11 +17,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![
-                RankingRule::Words,
-                RankingRule::Proximity,
-                RankingRule::Typo,
-            ]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity, Criterion::Typo]);
         })
         .unwrap();
 

milli/src/search/new/tests/sort.rs

@@ -17,7 +17,7 @@ use maplit::hashset;
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
 use crate::{
-    score_details, AscDesc, Member, RankingRule, Search, SearchResult, TermsMatchingStrategy,
+    score_details, AscDesc, Criterion, Member, Search, SearchResult, TermsMatchingStrategy,
 };
 
 fn create_index() -> TempIndex {
@@ -28,7 +28,7 @@ fn create_index() -> TempIndex {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
             s.set_sortable_fields(hashset! { S("rank"), S("vague"), S("letter") });
-            s.set_ranking_rules(vec![RankingRule::Sort]);
+            s.set_criteria(vec![Criterion::Sort]);
         })
         .unwrap();
 
@@ -331,7 +331,7 @@ fn test_redacted() {
         .update_settings(|s| {
             s.set_displayed_fields(vec!["text".to_owned(), "vague".to_owned()]);
             s.set_sortable_fields(hashset! { S("rank"), S("vague"), S("letter") });
-            s.set_ranking_rules(vec![RankingRule::Sort]);
+            s.set_criteria(vec![Criterion::Sort]);
         })
         .unwrap();
 

milli/src/search/new/tests/typo.rs

@@ -22,7 +22,7 @@ use std::collections::BTreeMap;
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -31,7 +31,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Words]);
         })
         .unwrap();
 
@@ -457,7 +457,7 @@ fn test_typo_ranking_rule_not_preceded_by_words_ranking_rule() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Typo]);
+            s.set_criteria(vec![Criterion::Typo]);
         })
         .unwrap();
 
@@ -495,7 +495,7 @@ fn test_typo_ranking_rule_not_preceded_by_words_ranking_rule() {
 
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Typo]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Typo]);
         })
         .unwrap();
 
@@ -540,7 +540,7 @@ fn test_typo_bucketing() {
     drop(txn);
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Typo]);
+            s.set_criteria(vec![Criterion::Typo]);
         })
         .unwrap();
     let txn = index.read_txn().unwrap();
@@ -589,7 +589,7 @@ fn test_typo_synonyms() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Typo]);
+            s.set_criteria(vec![Criterion::Typo]);
 
             let mut synonyms = BTreeMap::new();
             synonyms.insert("lackadaisical".to_owned(), vec!["lazy".to_owned()]);

milli/src/search/new/tests/typo_proximity.rs

@@ -17,7 +17,7 @@ because the typo ranking rule before it only used the derivation `beautiful`.
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -26,11 +26,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![
-                RankingRule::Words,
-                RankingRule::Typo,
-                RankingRule::Proximity,
-            ]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Typo, Criterion::Proximity]);
         })
         .unwrap();
 

milli/src/search/new/tests/words_tms.rs

@@ -14,7 +14,7 @@ account by the proximity ranking rule.
 
 use crate::index::tests::TempIndex;
 use crate::search::new::tests::collect_field_values;
-use crate::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use crate::{Criterion, Search, SearchResult, TermsMatchingStrategy};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -23,7 +23,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_ranking_rules(vec![RankingRule::Words]);
+            s.set_criteria(vec![Criterion::Words]);
         })
         .unwrap();
 
@@ -265,7 +265,7 @@ fn test_words_proximity_tms_last_simple() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Proximity]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -346,7 +346,7 @@ fn test_words_proximity_tms_last_phrase() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Proximity]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 
@@ -416,7 +416,7 @@ fn test_words_tms_all() {
     let index = create_index();
     index
         .update_settings(|s| {
-            s.set_ranking_rules(vec![RankingRule::Words, RankingRule::Proximity]);
+            s.set_criteria(vec![Criterion::Words, Criterion::Proximity]);
         })
         .unwrap();
 

milli/src/update/settings.rs

@@ -9,9 +9,9 @@ use time::OffsetDateTime;
 
 use super::index_documents::{IndexDocumentsConfig, Transform};
 use super::IndexerConfig;
+use crate::criterion::Criterion;
 use crate::error::UserError;
 use crate::index::{DEFAULT_MIN_WORD_LEN_ONE_TYPO, DEFAULT_MIN_WORD_LEN_TWO_TYPOS};
-use crate::ranking_rule::RankingRule;
 use crate::update::index_documents::IndexDocumentsMethod;
 use crate::update::{IndexDocuments, UpdateIndexingStep};
 use crate::{FieldsIdsMap, Index, OrderBy, Result};
@@ -110,7 +110,7 @@ pub struct Settings<'a, 't, 'u, 'i> {
     displayed_fields: Setting<Vec<String>>,
     filterable_fields: Setting<HashSet<String>>,
     sortable_fields: Setting<HashSet<String>>,
-    ranking_rules: Setting<Vec<RankingRule>>,
+    criteria: Setting<Vec<Criterion>>,
     stop_words: Setting<BTreeSet<String>>,
     non_separator_tokens: Setting<BTreeSet<String>>,
     separator_tokens: Setting<BTreeSet<String>>,
@@ -142,7 +142,7 @@ impl<'a, 't, 'u, 'i> Settings<'a, 't, 'u, 'i> {
             displayed_fields: Setting::NotSet,
             filterable_fields: Setting::NotSet,
             sortable_fields: Setting::NotSet,
-            ranking_rules: Setting::NotSet,
+            criteria: Setting::NotSet,
             stop_words: Setting::NotSet,
             non_separator_tokens: Setting::NotSet,
             separator_tokens: Setting::NotSet,
@@ -194,12 +194,12 @@ impl<'a, 't, 'u, 'i> Settings<'a, 't, 'u, 'i> {
         self.sortable_fields = Setting::Reset;
     }
 
-    pub fn reset_ranking_rules(&mut self) {
-        self.ranking_rules = Setting::Reset;
+    pub fn reset_criteria(&mut self) {
+        self.criteria = Setting::Reset;
     }
 
-    pub fn set_ranking_rules(&mut self, ranking_rules: Vec<RankingRule>) {
-        self.ranking_rules = Setting::Set(ranking_rules);
+    pub fn set_criteria(&mut self, criteria: Vec<Criterion>) {
+        self.criteria = Setting::Set(criteria);
     }
 
     pub fn reset_stop_words(&mut self) {
@@ -696,7 +696,7 @@ impl<'a, 't, 'u, 'i> Settings<'a, 't, 'u, 'i> {
     }
 
     fn update_criteria(&mut self) -> Result<()> {
-        match &self.ranking_rules {
+        match &self.criteria {
             Setting::Set(criteria) => {
                 self.index.put_criteria(self.wtxn, criteria)?;
             }
@@ -924,7 +924,7 @@ mod tests {
     use crate::error::Error;
     use crate::index::tests::TempIndex;
     use crate::update::{ClearDocuments, DeleteDocuments};
-    use crate::{Filter, RankingRule, SearchResult};
+    use crate::{Criterion, Filter, SearchResult};
 
     #[test]
     fn set_and_reset_searchable_fields() {
@@ -1167,7 +1167,7 @@ mod tests {
         index
             .update_settings(|settings| {
                 settings.set_displayed_fields(vec![S("name")]);
-                settings.set_ranking_rules(vec![RankingRule::Asc("age".to_owned())]);
+                settings.set_criteria(vec![Criterion::Asc("age".to_owned())]);
             })
             .unwrap();
 
@@ -1473,7 +1473,7 @@ mod tests {
             .update_settings(|settings| {
                 settings.set_displayed_fields(vec!["hello".to_string()]);
                 settings.set_filterable_fields(hashset! { S("age"), S("toto") });
-                settings.set_ranking_rules(vec![RankingRule::Asc(S("toto"))]);
+                settings.set_criteria(vec![Criterion::Asc(S("toto"))]);
             })
             .unwrap();
 
@@ -1482,7 +1482,7 @@ mod tests {
         assert_eq!(&["hello"][..], index.displayed_fields(&rtxn).unwrap().unwrap());
         // since no documents have been pushed the primary key is still unset
         assert!(index.primary_key(&rtxn).unwrap().is_none());
-        assert_eq!(vec![RankingRule::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
+        assert_eq!(vec![Criterion::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
         drop(rtxn);
 
         // We set toto and age as searchable to force reordering of the fields
@@ -1495,7 +1495,7 @@ mod tests {
         let rtxn = index.read_txn().unwrap();
         assert_eq!(&["hello"][..], index.displayed_fields(&rtxn).unwrap().unwrap());
         assert!(index.primary_key(&rtxn).unwrap().is_none());
-        assert_eq!(vec![RankingRule::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
+        assert_eq!(vec![Criterion::Asc("toto".to_string())], index.criteria(&rtxn).unwrap());
     }
 
     #[test]
@@ -1507,7 +1507,7 @@ mod tests {
             .update_settings(|settings| {
                 settings.set_displayed_fields(vec!["hello".to_string()]);
                 // It is only Asc(toto), there is a facet database but it is denied to filter with toto.
-                settings.set_ranking_rules(vec![RankingRule::Asc(S("toto"))]);
+                settings.set_criteria(vec![Criterion::Asc(S("toto"))]);
             })
             .unwrap();
 
@@ -1715,7 +1715,7 @@ mod tests {
                     displayed_fields,
                     filterable_fields,
                     sortable_fields,
-                    ranking_rules: criteria,
+                    criteria,
                     stop_words,
                     non_separator_tokens,
                     separator_tokens,

milli/tests/search/distinct.rs

@@ -2,8 +2,8 @@ use std::collections::HashSet;
 
 use big_s::S;
 use milli::update::Settings;
-use milli::{RankingRule, Search, SearchResult, TermsMatchingStrategy};
-use RankingRule::*;
+use milli::{Criterion, Search, SearchResult, TermsMatchingStrategy};
+use Criterion::*;
 
 use crate::search::{self, EXTERNAL_DOCUMENTS_IDS};
 

milli/tests/search/filters.rs

@@ -1,6 +1,6 @@
 use either::{Either, Left, Right};
-use milli::{Filter, RankingRule, Search, SearchResult, TermsMatchingStrategy};
-use RankingRule::*;
+use milli::{Criterion, Filter, Search, SearchResult, TermsMatchingStrategy};
+use Criterion::*;
 
 use crate::search::{self, EXTERNAL_DOCUMENTS_IDS};
 

milli/tests/search/mod.rs

@@ -8,7 +8,7 @@ use heed::EnvOpenOptions;
 use maplit::{btreemap, hashset};
 use milli::documents::{DocumentsBatchBuilder, DocumentsBatchReader};
 use milli::update::{IndexDocuments, IndexDocumentsConfig, IndexerConfig, Settings};
-use milli::{AscDesc, DocumentId, Index, Member, Object, RankingRule, TermsMatchingStrategy};
+use milli::{AscDesc, Criterion, DocumentId, Index, Member, Object, TermsMatchingStrategy};
 use serde::{Deserialize, Deserializer};
 use slice_group_by::GroupBy;
 
@@ -27,7 +27,7 @@ pub const EXTERNAL_DOCUMENTS_IDS: &[&str; 17] =
 
 pub const CONTENT: &str = include_str!("../assets/test_set.ndjson");
 
-pub fn setup_search_index_with_criteria(criteria: &[RankingRule]) -> Index {
+pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
     let path = tempfile::tempdir().unwrap();
     let mut options = EnvOpenOptions::new();
     options.map_size(10 * 1024 * 1024); // 10 MB
@@ -38,7 +38,7 @@ pub fn setup_search_index_with_criteria(criteria: &[RankingRule]) -> Index {
 
     let mut builder = Settings::new(&mut wtxn, &index, &config);
 
-    builder.set_ranking_rules(criteria.to_vec());
+    builder.set_criteria(criteria.to_vec());
     builder.set_filterable_fields(hashset! {
         S("tag"),
         S("asc_desc_rank"),
@@ -95,7 +95,7 @@ pub fn internal_to_external_ids(index: &Index, internal_ids: &[DocumentId]) -> V
 }
 
 pub fn expected_order(
-    criteria: &[RankingRule],
+    criteria: &[Criterion],
     optional_words: TermsMatchingStrategy,
     sort_by: &[AscDesc],
 ) -> Vec<TestDocument> {
@@ -107,56 +107,47 @@ pub fn expected_order(
         let mut new_groups = Vec::new();
         for group in groups.iter_mut() {
             match criterion {
-                RankingRule::Attribute => {
+                Criterion::Attribute => {
                     group.sort_by_key(|d| d.attribute_rank);
                     new_groups
                         .extend(group.linear_group_by_key(|d| d.attribute_rank).map(Vec::from));
                 }
-                RankingRule::Exactness => {
+                Criterion::Exactness => {
                     group.sort_by_key(|d| d.exact_rank);
                     new_groups.extend(group.linear_group_by_key(|d| d.exact_rank).map(Vec::from));
                 }
-                RankingRule::Proximity => {
+                Criterion::Proximity => {
                     group.sort_by_key(|d| d.proximity_rank);
                     new_groups
                         .extend(group.linear_group_by_key(|d| d.proximity_rank).map(Vec::from));
                 }
-                RankingRule::Sort if sort_by == [AscDesc::Asc(Member::Field(S("tag")))] => {
+                Criterion::Sort if sort_by == [AscDesc::Asc(Member::Field(S("tag")))] => {
                     group.sort_by_key(|d| d.sort_by_rank);
                     new_groups.extend(group.linear_group_by_key(|d| d.sort_by_rank).map(Vec::from));
                 }
-                RankingRule::Sort if sort_by == [AscDesc::Desc(Member::Field(S("tag")))] => {
+                Criterion::Sort if sort_by == [AscDesc::Desc(Member::Field(S("tag")))] => {
                     group.sort_by_key(|d| Reverse(d.sort_by_rank));
                     new_groups.extend(group.linear_group_by_key(|d| d.sort_by_rank).map(Vec::from));
                 }
-                RankingRule::Typo => {
+                Criterion::Typo => {
                     group.sort_by_key(|d| d.typo_rank);
                     new_groups.extend(group.linear_group_by_key(|d| d.typo_rank).map(Vec::from));
                 }
-                RankingRule::Words => {
+                Criterion::Words => {
                     group.sort_by_key(|d| d.word_rank);
                     new_groups.extend(group.linear_group_by_key(|d| d.word_rank).map(Vec::from));
                 }
-                RankingRule::Asc(field_name) if field_name == "asc_desc_rank" => {
+                Criterion::Asc(field_name) if field_name == "asc_desc_rank" => {
                     group.sort_by_key(|d| d.asc_desc_rank);
                     new_groups
                         .extend(group.linear_group_by_key(|d| d.asc_desc_rank).map(Vec::from));
                 }
-                RankingRule::Desc(field_name) if field_name == "asc_desc_rank" => {
+                Criterion::Desc(field_name) if field_name == "asc_desc_rank" => {
                     group.sort_by_key(|d| Reverse(d.asc_desc_rank));
                     new_groups
                         .extend(group.linear_group_by_key(|d| d.asc_desc_rank).map(Vec::from));
                 }
-                RankingRule::FilterBoosting(filter) => {
-                    // move the matching documents first, then the ones that don't match
-                    group.sort_by_key(|d| if execute_filter(filter, d).is_some() { 0 } else { 1 });
-                    new_groups.extend(
-                        group
-                            .linear_group_by_key(|d| execute_filter(filter, d).is_some())
-                            .map(Vec::from),
-                    );
-                }
-                RankingRule::Asc(_) | RankingRule::Desc(_) | RankingRule::Sort => {
+                Criterion::Asc(_) | Criterion::Desc(_) | Criterion::Sort => {
                     new_groups.push(group.clone())
                 }
             }

milli/tests/search/phrase_search.rs

@@ -1,7 +1,7 @@
 use milli::update::{IndexerConfig, Settings};
-use milli::{Index, RankingRule, Search, TermsMatchingStrategy};
+use milli::{Criterion, Index, Search, TermsMatchingStrategy};
 
-use crate::search::RankingRule::{Attribute, Exactness, Proximity};
+use crate::search::Criterion::{Attribute, Exactness, Proximity};
 
 fn set_stop_words(index: &Index, stop_words: &[&str]) {
     let mut wtxn = index.write_txn().unwrap();
@@ -14,7 +14,7 @@ fn set_stop_words(index: &Index, stop_words: &[&str]) {
     wtxn.commit().unwrap();
 }
 
-fn test_phrase_search_with_stop_words_given_criteria(criteria: &[RankingRule]) {
+fn test_phrase_search_with_stop_words_given_criteria(criteria: &[Criterion]) {
     let index = super::setup_search_index_with_criteria(criteria);
 
     // Add stop_words

milli/tests/search/query_criteria.rs

@@ -7,9 +7,9 @@ use itertools::Itertools;
 use maplit::hashset;
 use milli::documents::{DocumentsBatchBuilder, DocumentsBatchReader};
 use milli::update::{IndexDocuments, IndexDocumentsConfig, IndexerConfig, Settings};
-use milli::{AscDesc, Index, Member, RankingRule, Search, SearchResult, TermsMatchingStrategy};
+use milli::{AscDesc, Criterion, Index, Member, Search, SearchResult, TermsMatchingStrategy};
 use rand::Rng;
-use RankingRule::*;
+use Criterion::*;
 
 use crate::search::{self, EXTERNAL_DOCUMENTS_IDS};
 
@@ -88,7 +88,7 @@ test_criterion!(
 
 #[test]
 fn criteria_mixup() {
-    use RankingRule::*;
+    use Criterion::*;
     let index = search::setup_search_index_with_criteria(&[
         Words,
         Attribute,
@@ -233,7 +233,7 @@ fn criteria_mixup() {
         //update criteria
         let mut wtxn = index.write_txn().unwrap();
         let mut builder = Settings::new(&mut wtxn, &index, &config);
-        builder.set_ranking_rules(criteria.clone());
+        builder.set_criteria(criteria.clone());
         builder.execute(|_| (), || false).unwrap();
         wtxn.commit().unwrap();
 
@@ -324,7 +324,7 @@ fn criteria_ascdesc() {
 
         let mut wtxn = index.write_txn().unwrap();
         let mut builder = Settings::new(&mut wtxn, &index, &config);
-        builder.set_ranking_rules(vec![criterion.clone()]);
+        builder.set_criteria(vec![criterion.clone()]);
         builder.execute(|_| (), || false).unwrap();
         wtxn.commit().unwrap();
 

milli/tests/search/sort.rs

@@ -1,5 +1,5 @@
 use big_s::S;
-use milli::RankingRule::{Attribute, Exactness, Proximity, Typo, Words};
+use milli::Criterion::{Attribute, Exactness, Proximity, Typo, Words};
 use milli::{AscDesc, Error, Member, Search, TermsMatchingStrategy, UserError};
 
 use crate::search::{self, EXTERNAL_DOCUMENTS_IDS};

milli/tests/search/typo_tolerance.rs

@@ -2,10 +2,10 @@ use std::collections::BTreeSet;
 
 use heed::EnvOpenOptions;
 use milli::update::{IndexDocuments, IndexDocumentsConfig, IndexerConfig, Settings};
-use milli::{Index, RankingRule, Search, TermsMatchingStrategy};
+use milli::{Criterion, Index, Search, TermsMatchingStrategy};
 use serde_json::json;
 use tempfile::tempdir;
-use RankingRule::*;
+use Criterion::*;
 
 #[test]
 fn test_typo_tolerance_one_typo() {