mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-14 08:58:59 +01:00
finish the arroywrapper
This commit is contained in:
parent
6ba4baecbf
commit
1e4d4e69c4
@ -1610,24 +1610,6 @@ impl Index {
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.unwrap_or_default())
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}
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pub fn arroy_readers<'a>(
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&'a self,
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rtxn: &'a RoTxn<'a>,
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embedder_id: u8,
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quantized: bool,
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) -> impl Iterator<Item = Result<ArroyWrapper>> + 'a {
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crate::vector::arroy_db_range_for_embedder(embedder_id).map_while(move |k| {
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let reader = ArroyWrapper::new(self.vector_arroy, k, quantized);
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// Here we don't care about the dimensions, but we want to know if we can read
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// in the database or if its metadata are missing because there is no document with that many vectors.
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match reader.dimensions(rtxn) {
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Ok(_) => Some(Ok(reader)),
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Err(arroy::Error::MissingMetadata(_)) => None,
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Err(e) => Some(Err(e.into())),
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}
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})
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}
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pub(crate) fn put_search_cutoff(&self, wtxn: &mut RwTxn<'_>, cutoff: u64) -> heed::Result<()> {
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self.main.remap_types::<Str, BEU64>().put(wtxn, main_key::SEARCH_CUTOFF, &cutoff)
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}
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@ -1649,14 +1631,9 @@ impl Index {
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let embedding_configs = self.embedding_configs(rtxn)?;
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for config in embedding_configs {
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let embedder_id = self.embedder_category_id.get(rtxn, &config.name)?.unwrap();
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let embeddings = self
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.arroy_readers(rtxn, embedder_id, config.config.quantized())
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.map_while(|reader| {
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reader
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.and_then(|r| r.item_vector(rtxn, docid).map_err(|e| e.into()))
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.transpose()
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})
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.collect::<Result<Vec<_>>>()?;
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let reader =
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ArroyWrapper::new(self.vector_arroy, embedder_id, config.config.quantized());
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let embeddings = reader.item_vectors(rtxn, docid)?;
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res.insert(config.name.to_owned(), embeddings);
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}
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Ok(res)
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@ -1,11 +1,10 @@
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use std::iter::FromIterator;
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use ordered_float::OrderedFloat;
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use roaring::RoaringBitmap;
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use super::ranking_rules::{RankingRule, RankingRuleOutput, RankingRuleQueryTrait};
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use crate::score_details::{self, ScoreDetails};
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use crate::vector::{DistributionShift, Embedder};
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use crate::vector::{ArroyWrapper, DistributionShift, Embedder};
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use crate::{DocumentId, Result, SearchContext, SearchLogger};
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pub struct VectorSort<Q: RankingRuleQueryTrait> {
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@ -53,14 +52,9 @@ impl<Q: RankingRuleQueryTrait> VectorSort<Q> {
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vector_candidates: &RoaringBitmap,
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) -> Result<()> {
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let target = &self.target;
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let mut results = Vec::new();
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for reader in ctx.index.arroy_readers(ctx.txn, self.embedder_index, self.quantized) {
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let nns_by_vector =
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reader?.nns_by_vector(ctx.txn, target, self.limit, Some(vector_candidates))?;
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results.extend(nns_by_vector.into_iter());
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}
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results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
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let reader = ArroyWrapper::new(ctx.index.vector_arroy, self.embedder_index, self.quantized);
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let results = reader.nns_by_vector(ctx.txn, target, self.limit, Some(vector_candidates))?;
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self.cached_sorted_docids = results.into_iter();
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Ok(())
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@ -1,6 +1,5 @@
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use std::sync::Arc;
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use ordered_float::OrderedFloat;
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use roaring::RoaringBitmap;
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use crate::score_details::{self, ScoreDetails};
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@ -990,27 +990,24 @@ impl<'a, 'i> Transform<'a, 'i> {
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None
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};
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let readers: Result<BTreeMap<&str, (Vec<ArroyWrapper>, &RoaringBitmap)>> = settings_diff
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let readers: BTreeMap<&str, (ArroyWrapper, &RoaringBitmap)> = settings_diff
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.embedding_config_updates
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.iter()
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.filter_map(|(name, action)| {
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if let Some(WriteBackToDocuments { embedder_id, user_provided }) =
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action.write_back()
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{
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let readers: Result<Vec<_>> = self
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.index
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.arroy_readers(wtxn, *embedder_id, action.was_quantized)
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.collect();
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match readers {
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Ok(readers) => Some(Ok((name.as_str(), (readers, user_provided)))),
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Err(error) => Some(Err(error)),
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}
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let reader = ArroyWrapper::new(
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self.index.vector_arroy,
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*embedder_id,
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action.was_quantized,
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);
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Some((name.as_str(), (reader, user_provided)))
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} else {
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None
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}
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})
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.collect();
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let readers = readers?;
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let old_vectors_fid = settings_diff
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.old
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@ -1048,34 +1045,24 @@ impl<'a, 'i> Transform<'a, 'i> {
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arroy::Error,
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> = readers
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.iter()
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.filter_map(|(name, (readers, user_provided))| {
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.filter_map(|(name, (reader, user_provided))| {
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if !user_provided.contains(docid) {
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return None;
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}
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let mut vectors = Vec::new();
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for reader in readers {
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let Some(vector) = reader.item_vector(wtxn, docid).transpose() else {
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break;
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};
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match vector {
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Ok(vector) => vectors.push(vector),
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Err(error) => return Some(Err(error)),
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}
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match reader.item_vectors(wtxn, docid) {
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Ok(vectors) if vectors.is_empty() => None,
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Ok(vectors) => Some(Ok((
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name.to_string(),
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serde_json::to_value(ExplicitVectors {
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embeddings: Some(
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VectorOrArrayOfVectors::from_array_of_vectors(vectors),
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),
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regenerate: false,
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})
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.unwrap(),
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))),
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Err(e) => Some(Err(e)),
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}
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if vectors.is_empty() {
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return None;
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}
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Some(Ok((
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name.to_string(),
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serde_json::to_value(ExplicitVectors {
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embeddings: Some(VectorOrArrayOfVectors::from_array_of_vectors(
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vectors,
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)),
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regenerate: false,
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})
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.unwrap(),
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)))
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})
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.collect();
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@ -1104,11 +1091,9 @@ impl<'a, 'i> Transform<'a, 'i> {
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}
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// delete all vectors from the embedders that need removal
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for (_, (readers, _)) in readers {
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for reader in readers {
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let dimensions = reader.dimensions(wtxn)?;
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reader.clear(wtxn, dimensions)?;
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}
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for (_, (reader, _)) in readers {
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let dimensions = reader.dimensions(wtxn)?;
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reader.clear(wtxn, dimensions)?;
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}
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let grenad_params = GrenadParameters {
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@ -45,6 +45,20 @@ impl ArroyWrapper {
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self.index
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}
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fn readers<'a, D: arroy::Distance>(
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&'a self,
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rtxn: &'a RoTxn<'a>,
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db: arroy::Database<D>,
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) -> impl Iterator<Item = Result<arroy::Reader<D>, arroy::Error>> + 'a {
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arroy_db_range_for_embedder(self.index).map_while(move |index| {
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match arroy::Reader::open(rtxn, index, db) {
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Ok(reader) => Some(Ok(reader)),
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Err(arroy::Error::MissingMetadata(_)) => None,
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Err(e) => Some(Err(e)),
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}
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})
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}
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pub fn dimensions(&self, rtxn: &RoTxn) -> Result<usize, arroy::Error> {
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let first_id = arroy_db_range_for_embedder(self.index).next().unwrap();
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if self.quantized {
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@ -97,6 +111,7 @@ impl ArroyWrapper {
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Ok(())
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}
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/// Overwrite all the embeddings associated to the index and item id.
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pub fn add_items(
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&self,
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wtxn: &mut RwTxn,
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@ -116,30 +131,41 @@ impl ArroyWrapper {
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Ok(())
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}
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/// Add one document int for this index where we can find an empty spot.
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pub fn add_item(
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&self,
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wtxn: &mut RwTxn,
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item_id: arroy::ItemId,
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vector: &[f32],
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) -> Result<(), arroy::Error> {
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if self.quantized {
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self._add_item(wtxn, self.quantized_db(), item_id, vector)
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} else {
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self._add_item(wtxn, self.angular_db(), item_id, vector)
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}
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}
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fn _add_item<D: arroy::Distance>(
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&self,
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wtxn: &mut RwTxn,
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db: arroy::Database<D>,
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item_id: arroy::ItemId,
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vector: &[f32],
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) -> Result<(), arroy::Error> {
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let dimension = vector.len();
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for index in arroy_db_range_for_embedder(self.index) {
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if self.quantized {
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let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
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if !writer.contains_item(wtxn, item_id)? {
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writer.add_item(wtxn, item_id, &vector)?;
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break;
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}
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} else {
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arroy::Writer::new(self.angular_db(), index, dimension)
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.add_item(wtxn, item_id, vector)?
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let writer = arroy::Writer::new(db, index, dimension);
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if !writer.contains_item(wtxn, item_id)? {
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writer.add_item(wtxn, item_id, vector)?;
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break;
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}
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}
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Ok(())
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}
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/// Delete an item from the index. It **does not** take care of fixing the hole
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/// made after deleting the item.
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pub fn del_item_raw(
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&self,
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wtxn: &mut RwTxn,
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@ -163,36 +189,39 @@ impl ArroyWrapper {
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Ok(false)
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}
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/// Delete one item.
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pub fn del_item(
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&self,
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wtxn: &mut RwTxn,
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itemid: arroy::ItemId,
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item_id: arroy::ItemId,
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vector: &[f32],
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) -> Result<bool, arroy::Error> {
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if self.quantized {
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self._del_item(wtxn, self.quantized_db(), item_id, vector)
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} else {
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self._del_item(wtxn, self.angular_db(), item_id, vector)
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}
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}
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fn _del_item<D: arroy::Distance>(
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&self,
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wtxn: &mut RwTxn,
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db: arroy::Database<D>,
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item_id: arroy::ItemId,
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vector: &[f32],
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) -> Result<bool, arroy::Error> {
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let dimension = vector.len();
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let mut deleted_index = None;
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for index in arroy_db_range_for_embedder(self.index) {
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if self.quantized {
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let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, itemid)? else {
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// uses invariant: vectors are packed in the first writers.
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break;
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};
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if candidate == vector {
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writer.del_item(wtxn, itemid)?;
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deleted_index = Some(index);
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}
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} else {
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let writer = arroy::Writer::new(self.angular_db(), index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, itemid)? else {
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// uses invariant: vectors are packed in the first writers.
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break;
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};
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if candidate == vector {
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writer.del_item(wtxn, itemid)?;
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deleted_index = Some(index);
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}
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let writer = arroy::Writer::new(db, index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, item_id)? else {
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// uses invariant: vectors are packed in the first writers.
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break;
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};
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if candidate == vector {
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writer.del_item(wtxn, item_id)?;
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deleted_index = Some(index);
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}
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}
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@ -200,34 +229,18 @@ impl ArroyWrapper {
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if let Some(deleted_index) = deleted_index {
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let mut last_index_with_a_vector = None;
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for index in arroy_db_range_for_embedder(self.index).skip(deleted_index as usize) {
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if self.quantized {
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let writer = arroy::Writer::new(self.quantized_db(), index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, itemid)? else {
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break;
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};
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last_index_with_a_vector = Some((index, candidate));
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} else {
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let writer = arroy::Writer::new(self.angular_db(), index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, itemid)? else {
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break;
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};
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last_index_with_a_vector = Some((index, candidate));
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}
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let writer = arroy::Writer::new(db, index, dimension);
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let Some(candidate) = writer.item_vector(wtxn, item_id)? else {
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break;
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};
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last_index_with_a_vector = Some((index, candidate));
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}
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if let Some((last_index, vector)) = last_index_with_a_vector {
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if self.quantized {
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// unwrap: computed the index from the list of writers
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let writer = arroy::Writer::new(self.quantized_db(), last_index, dimension);
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writer.del_item(wtxn, itemid)?;
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let writer = arroy::Writer::new(self.quantized_db(), deleted_index, dimension);
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writer.add_item(wtxn, itemid, &vector)?;
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} else {
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// unwrap: computed the index from the list of writers
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let writer = arroy::Writer::new(self.angular_db(), last_index, dimension);
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writer.del_item(wtxn, itemid)?;
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let writer = arroy::Writer::new(self.angular_db(), deleted_index, dimension);
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writer.add_item(wtxn, itemid, &vector)?;
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}
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// unwrap: computed the index from the list of writers
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let writer = arroy::Writer::new(db, last_index, dimension);
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writer.del_item(wtxn, item_id)?;
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let writer = arroy::Writer::new(db, deleted_index, dimension);
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writer.add_item(wtxn, item_id, &vector)?;
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}
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}
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Ok(deleted_index.is_some())
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@ -284,17 +297,26 @@ impl ArroyWrapper {
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item: ItemId,
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limit: usize,
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filter: Option<&RoaringBitmap>,
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) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
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if self.quantized {
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self._nns_by_item(rtxn, self.quantized_db(), item, limit, filter)
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} else {
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self._nns_by_item(rtxn, self.angular_db(), item, limit, filter)
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}
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}
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fn _nns_by_item<D: arroy::Distance>(
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&self,
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rtxn: &RoTxn,
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db: arroy::Database<D>,
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item: ItemId,
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limit: usize,
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filter: Option<&RoaringBitmap>,
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) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
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let mut results = Vec::new();
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for index in arroy_db_range_for_embedder(self.index) {
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let ret = if self.quantized {
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arroy::Reader::open(rtxn, index, self.quantized_db())?
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.nns_by_item(rtxn, item, limit, None, None, filter)?
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} else {
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arroy::Reader::open(rtxn, index, self.angular_db())?
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.nns_by_item(rtxn, item, limit, None, None, filter)?
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};
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for reader in self.readers(rtxn, db) {
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let ret = reader?.nns_by_item(rtxn, item, limit, None, None, filter)?;
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if let Some(mut ret) = ret {
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results.append(&mut ret);
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} else {
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@ -302,27 +324,35 @@ impl ArroyWrapper {
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}
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}
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results.sort_unstable_by_key(|(_, distance)| OrderedFloat(*distance));
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Ok(results)
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}
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pub fn nns_by_vector(
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&self,
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txn: &RoTxn,
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item: &[f32],
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rtxn: &RoTxn,
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vector: &[f32],
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limit: usize,
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filter: Option<&RoaringBitmap>,
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) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
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if self.quantized {
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self._nns_by_vector(rtxn, self.quantized_db(), vector, limit, filter)
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} else {
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self._nns_by_vector(rtxn, self.angular_db(), vector, limit, filter)
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}
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}
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fn _nns_by_vector<D: arroy::Distance>(
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&self,
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rtxn: &RoTxn,
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db: arroy::Database<D>,
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vector: &[f32],
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limit: usize,
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filter: Option<&RoaringBitmap>,
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) -> Result<Vec<(ItemId, f32)>, arroy::Error> {
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let mut results = Vec::new();
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for index in arroy_db_range_for_embedder(self.index) {
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let mut ret = if self.quantized {
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arroy::Reader::open(txn, index, self.quantized_db())?
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.nns_by_vector(txn, item, limit, None, None, filter)?
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||||
} else {
|
||||
arroy::Reader::open(txn, index, self.angular_db())?
|
||||
.nns_by_vector(txn, item, limit, None, None, filter)?
|
||||
};
|
||||
for reader in self.readers(rtxn, db) {
|
||||
let mut ret = reader?.nns_by_vector(rtxn, vector, limit, None, None, filter)?;
|
||||
results.append(&mut ret);
|
||||
}
|
||||
|
||||
@ -331,18 +361,27 @@ impl ArroyWrapper {
|
||||
Ok(results)
|
||||
}
|
||||
|
||||
pub fn item_vector(&self, rtxn: &RoTxn, docid: u32) -> Result<Option<Vec<f32>>, arroy::Error> {
|
||||
for index in arroy_db_range_for_embedder(self.index) {
|
||||
let ret = if self.quantized {
|
||||
arroy::Reader::open(rtxn, index, self.quantized_db())?.item_vector(rtxn, docid)?
|
||||
} else {
|
||||
arroy::Reader::open(rtxn, index, self.angular_db())?.item_vector(rtxn, docid)?
|
||||
};
|
||||
if ret.is_some() {
|
||||
return Ok(ret);
|
||||
pub fn item_vectors(&self, rtxn: &RoTxn, item_id: u32) -> Result<Vec<Vec<f32>>, arroy::Error> {
|
||||
let mut vectors = Vec::new();
|
||||
|
||||
if self.quantized {
|
||||
for reader in self.readers(rtxn, self.quantized_db()) {
|
||||
if let Some(vec) = reader?.item_vector(rtxn, item_id)? {
|
||||
vectors.push(vec);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for reader in self.readers(rtxn, self.angular_db()) {
|
||||
if let Some(vec) = reader?.item_vector(rtxn, item_id)? {
|
||||
vectors.push(vec);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
Ok(None)
|
||||
Ok(vectors)
|
||||
}
|
||||
|
||||
fn angular_db(&self) -> arroy::Database<Angular> {
|
||||
|
Loading…
Reference in New Issue
Block a user