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Merge branch 'main' into fragment-filters

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Mubelotix
2025-08-13 17:27:09 +02:00
parent 307ea38c2a 300f5ce0f4
commit 398efa3c55
80 changed files with 2723 additions and 256 deletions
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68
crates/milli/src/search/facet/filter.rs
View File

@ -1,3 +1,4 @@
use std::borrow::Cow;
use std::collections::BTreeSet;
use std::fmt::{Debug, Display};
use std::ops::Bound::{self, Excluded, Included, Unbounded};
@ -14,10 +15,9 @@ use super::facet_range_search;
use crate::constants::{RESERVED_GEO_FIELD_NAME, RESERVED_VECTORS_FIELD_NAME};
use crate::error::{Error, UserError};
use crate::filterable_attributes_rules::{filtered_matching_patterns, matching_features};
use crate::heed_codec::facet::{
FacetGroupKey, FacetGroupKeyCodec, FacetGroupValue, FacetGroupValueCodec,
};
use crate::heed_codec::facet::{FacetGroupKey, FacetGroupKeyCodec, FacetGroupValueCodec};
use crate::index::db_name::FACET_ID_STRING_DOCIDS;
use crate::search::facet::facet_range_search::find_docids_of_facet_within_bounds;
use crate::{
distance_between_two_points, lat_lng_to_xyz, FieldId, FieldsIdsMap,
FilterableAttributesFeatures, FilterableAttributesRule, Index, InternalError, Result,
@ -422,20 +422,56 @@ impl<'a> Filter<'a> {
return Ok(docids);
}
Condition::StartsWith { keyword: _, word } => {
// The idea here is that "STARTS WITH baba" is the same as "baba <= value < babb".
// We just incremented the last letter to find the upper bound.
// The upper bound may not be valid utf8, but lmdb doesn't care as it works over bytes.
let value = crate::normalize_facet(word.value());
let base = FacetGroupKey { field_id, level: 0, left_bound: value.as_str() };
let docids = strings_db
.prefix_iter(rtxn, &base)?
.map(|result| -> Result<RoaringBitmap> {
match result {
Ok((_facet_group_key, FacetGroupValue { bitmap, .. })) => Ok(bitmap),
Err(_e) => Err(InternalError::from(SerializationError::Decoding {
db_name: Some(FACET_ID_STRING_DOCIDS),
})
.into()),
}
})
.union()?;
let mut value2 = value.as_bytes().to_owned();
let last = match value2.last_mut() {
Some(last) => last,
None => {
// The prefix is empty, so all documents that have the field will match.
return index
.exists_faceted_documents_ids(rtxn, field_id)
.map_err(|e| e.into());
}
};
if *last == u8::MAX {
// u8::MAX is a forbidden UTF-8 byte, we're guaranteed it cannot be sent through a filter to meilisearch, but just in case, we're going to return something
tracing::warn!(
"Found non utf-8 character in filter. That shouldn't be possible"
);
return Ok(RoaringBitmap::new());
}
*last += 1;
// This is very similar to `heed::Bytes` but its `EItem` is `&[u8]` instead of `[u8]`
struct BytesRef;
impl<'a> BytesEncode<'a> for BytesRef {
type EItem = &'a [u8];
fn bytes_encode(
item: &'a Self::EItem,
) -> std::result::Result<Cow<'a, [u8]>, heed::BoxedError> {
Ok(Cow::Borrowed(item))
}
}
let mut docids = RoaringBitmap::new();
let bytes_db =
index.facet_id_string_docids.remap_key_type::<FacetGroupKeyCodec<BytesRef>>();
find_docids_of_facet_within_bounds::<BytesRef>(
rtxn,
bytes_db,
field_id,
&Included(value.as_bytes()),
&Excluded(value2.as_slice()),
universe,
&mut docids,
)?;
return Ok(docids);
}

10
crates/milli/src/search/hybrid.rs
View File

@ -7,7 +7,7 @@ use roaring::RoaringBitmap;
use crate::score_details::{ScoreDetails, ScoreValue, ScoringStrategy};
use crate::search::new::{distinct_fid, distinct_single_docid};
use crate::search::SemanticSearch;
use crate::vector::SearchQuery;
use crate::vector::{Embedding, SearchQuery};
use crate::{Index, MatchingWords, Result, Search, SearchResult};
struct ScoreWithRatioResult {
@ -16,6 +16,7 @@ struct ScoreWithRatioResult {
document_scores: Vec<(u32, ScoreWithRatio)>,
degraded: bool,
used_negative_operator: bool,
query_vector: Option<Embedding>,
}
type ScoreWithRatio = (Vec<ScoreDetails>, f32);
@ -85,6 +86,7 @@ impl ScoreWithRatioResult {
document_scores,
degraded: results.degraded,
used_negative_operator: results.used_negative_operator,
query_vector: results.query_vector,
}
}
@ -186,6 +188,7 @@ impl ScoreWithRatioResult {
degraded: vector_results.degraded | keyword_results.degraded,
used_negative_operator: vector_results.used_negative_operator
| keyword_results.used_negative_operator,
query_vector: vector_results.query_vector,
},
semantic_hit_count,
))
@ -209,6 +212,7 @@ impl Search<'_> {
terms_matching_strategy: self.terms_matching_strategy,
scoring_strategy: ScoringStrategy::Detailed,
words_limit: self.words_limit,
retrieve_vectors: self.retrieve_vectors,
exhaustive_number_hits: self.exhaustive_number_hits,
max_total_hits: self.max_total_hits,
rtxn: self.rtxn,
@ -265,7 +269,7 @@ impl Search<'_> {
};
search.semantic = Some(SemanticSearch {
vector: Some(vector_query),
vector: Some(vector_query.clone()),
embedder_name,
embedder,
quantized,
@ -322,6 +326,7 @@ fn return_keyword_results(
mut document_scores,
degraded,
used_negative_operator,
query_vector,
}: SearchResult,
) -> (SearchResult, Option<u32>) {
let (documents_ids, document_scores) = if offset >= documents_ids.len() ||
@ -348,6 +353,7 @@ fn return_keyword_results(
document_scores,
degraded,
used_negative_operator,
query_vector,
},
Some(0),
)

53
crates/milli/src/search/mod.rs
View File

@ -52,6 +52,7 @@ pub struct Search<'a> {
terms_matching_strategy: TermsMatchingStrategy,
scoring_strategy: ScoringStrategy,
words_limit: usize,
retrieve_vectors: bool,
exhaustive_number_hits: bool,
max_total_hits: Option<usize>,
rtxn: &'a heed::RoTxn<'a>,
@ -75,6 +76,7 @@ impl<'a> Search<'a> {
geo_param: GeoSortParameter::default(),
terms_matching_strategy: TermsMatchingStrategy::default(),
scoring_strategy: Default::default(),
retrieve_vectors: false,
exhaustive_number_hits: false,
max_total_hits: None,
words_limit: 10,
@ -161,6 +163,11 @@ impl<'a> Search<'a> {
self
}
pub fn retrieve_vectors(&mut self, retrieve_vectors: bool) -> &mut Search<'a> {
self.retrieve_vectors = retrieve_vectors;
self
}
/// Forces the search to exhaustively compute the number of candidates,
/// this will increase the search time but allows finite pagination.
pub fn exhaustive_number_hits(&mut self, exhaustive_number_hits: bool) -> &mut Search<'a> {
@ -233,6 +240,7 @@ impl<'a> Search<'a> {
}
let universe = filtered_universe(ctx.index, ctx.txn, &self.filter)?;
let mut query_vector = None;
let PartialSearchResult {
located_query_terms,
candidates,
@ -247,24 +255,29 @@ impl<'a> Search<'a> {
embedder,
quantized,
media: _,
}) => execute_vector_search(
&mut ctx,
vector,
self.scoring_strategy,
self.exhaustive_number_hits,
self.max_total_hits,
universe,
&self.sort_criteria,
&self.distinct,
self.geo_param,
self.offset,
self.limit,
embedder_name,
embedder,
*quantized,
self.time_budget.clone(),
self.ranking_score_threshold,
)?,
}) => {
if self.retrieve_vectors {
query_vector = Some(vector.clone());
}
execute_vector_search(
&mut ctx,
vector,
self.scoring_strategy,
self.exhaustive_number_hits,
self.max_total_hits,
universe,
&self.sort_criteria,
&self.distinct,
self.geo_param,
self.offset,
self.limit,
embedder_name,
embedder,
*quantized,
self.time_budget.clone(),
self.ranking_score_threshold,
)?
}
_ => execute_search(
&mut ctx,
self.query.as_deref(),
@ -306,6 +319,7 @@ impl<'a> Search<'a> {
documents_ids,
degraded,
used_negative_operator,
query_vector,
})
}
}
@ -324,6 +338,7 @@ impl fmt::Debug for Search<'_> {
terms_matching_strategy,
scoring_strategy,
words_limit,
retrieve_vectors,
exhaustive_number_hits,
max_total_hits,
rtxn: _,
@ -344,6 +359,7 @@ impl fmt::Debug for Search<'_> {
.field("searchable_attributes", searchable_attributes)
.field("terms_matching_strategy", terms_matching_strategy)
.field("scoring_strategy", scoring_strategy)
.field("retrieve_vectors", retrieve_vectors)
.field("exhaustive_number_hits", exhaustive_number_hits)
.field("max_total_hits", max_total_hits)
.field("words_limit", words_limit)
@ -366,6 +382,7 @@ pub struct SearchResult {
pub document_scores: Vec<Vec<ScoreDetails>>,
pub degraded: bool,
pub used_negative_operator: bool,
pub query_vector: Option<Embedding>,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]

2
crates/milli/src/search/new/tests/integration.rs
View File

@ -17,7 +17,7 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
let path = tempfile::tempdir().unwrap();
let options = EnvOpenOptions::new();
let mut options = options.read_txn_without_tls();
options.map_size(10 * 1024 * 1024); // 10 MB
options.map_size(10 * 1024 * 1024); // 10 MiB
let index = Index::new(options, &path, true).unwrap();
let mut wtxn = index.write_txn().unwrap();

1
crates/milli/src/search/similar.rs
View File

@ -130,6 +130,7 @@ impl<'a> Similar<'a> {
document_scores,
degraded: false,
used_negative_operator: false,
query_vector: None,
})
}
}