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This commit is contained in:
ManyTheFish 2023-10-10 11:23:16 +02:00
parent 20394fda04
commit 26ef0b3a07
11 changed files with 11 additions and 104 deletions
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4
milli/src/search/new/db_cache.rs
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@ -11,9 +11,7 @@ use super::interner::Interned;
use super::Word;
use crate::heed_codec::{BytesDecodeOwned, StrBEU16Codec};
use crate::update::{merge_cbo_roaring_bitmaps, MergeFn};
use crate::{
CboRoaringBitmapCodec, CboRoaringBitmapLenCodec, Result, RoaringBitmapCodec, SearchContext,
};
use crate::{CboRoaringBitmapCodec, CboRoaringBitmapLenCodec, Result, SearchContext};
/// A cache storing pointers to values in the LMDB databases.
///

4
milli/src/update/delete_documents.rs
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@ -16,9 +16,7 @@ use crate::facet::FacetType;
use crate::heed_codec::facet::FieldDocIdFacetCodec;
use crate::heed_codec::CboRoaringBitmapCodec;
use crate::index::Hnsw;
use crate::{
ExternalDocumentsIds, FieldId, FieldIdMapMissingEntry, Index, Result, RoaringBitmapCodec, BEU32,
};
use crate::{ExternalDocumentsIds, FieldId, FieldIdMapMissingEntry, Index, Result, BEU32};
pub struct DeleteDocuments<'t, 'u, 'i> {
wtxn: &'t mut heed::RwTxn<'i, 'u>,

4
milli/src/update/index_documents/extract/extract_docid_word_positions.rs
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@ -11,9 +11,7 @@ use serde_json::Value;
use super::helpers::{create_sorter, keep_latest_obkv, sorter_into_reader, GrenadParameters};
use crate::error::{InternalError, SerializationError};
use crate::update::index_documents::MergeFn;
use crate::{
absolute_from_relative_position, FieldId, Result, MAX_POSITION_PER_ATTRIBUTE, MAX_WORD_LENGTH,
};
use crate::{FieldId, Result, MAX_POSITION_PER_ATTRIBUTE, MAX_WORD_LENGTH};
pub type ScriptLanguageDocidsMap = HashMap<(Script, Language), RoaringBitmap>;

9
milli/src/update/index_documents/extract/extract_word_docids.rs
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@ -1,15 +1,13 @@
use std::collections::{BTreeSet, HashSet};
use std::fs::File;
use std::io;
use std::iter::FromIterator;
use heed::BytesDecode;
use obkv::KvReaderU16;
use roaring::RoaringBitmap;
use super::helpers::{
create_sorter, create_writer, merge_cbo_roaring_bitmaps, serialize_roaring_bitmap,
sorter_into_reader, try_split_array_at, writer_into_reader, GrenadParameters,
create_sorter, create_writer, merge_cbo_roaring_bitmaps, sorter_into_reader,
try_split_array_at, writer_into_reader, GrenadParameters,
};
use crate::error::SerializationError;
use crate::heed_codec::StrBEU16Codec;
@ -43,7 +41,6 @@ pub fn extract_word_docids<R: io::Read + io::Seek>(
max_memory.map(|x| x / 3),
);
let mut key_buffer = Vec::new();
let mut value_buffer = Vec::new();
let mut words = BTreeSet::new();
let mut cursor = docid_word_positions.into_cursor()?;
while let Some((key, value)) = cursor.move_on_next()? {
@ -62,7 +59,6 @@ pub fn extract_word_docids<R: io::Read + io::Seek>(
document_id,
fid,
&mut key_buffer,
&mut value_buffer,
&mut words,
&mut word_fid_docids_sorter,
)?;
@ -120,7 +116,6 @@ fn words_into_sorter(
document_id: DocumentId,
fid: FieldId,
key_buffer: &mut Vec<u8>,
value_buffer: &mut Vec<u8>,
words: &mut BTreeSet<Vec<u8>>,
word_fid_docids_sorter: &mut grenad::Sorter<MergeFn>,
) -> Result<()> {

53
milli/src/update/index_documents/extract/extract_word_fid_docids.rs
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@ -1,53 +0,0 @@
use std::fs::File;
use std::io;
use super::helpers::{
create_sorter, merge_cbo_roaring_bitmaps, read_u32_ne_bytes, sorter_into_reader,
try_split_array_at, GrenadParameters,
};
use crate::error::SerializationError;
use crate::index::db_name::DOCID_WORD_POSITIONS;
use crate::{relative_from_absolute_position, DocumentId, Result};
/// Extracts the word, field id, and the documents ids where this word appear at this field id.
#[logging_timer::time]
pub fn extract_word_fid_docids<R: io::Read + io::Seek>(
docid_word_positions: grenad::Reader<R>,
indexer: GrenadParameters,
) -> Result<grenad::Reader<File>> {
puffin::profile_function!();
todo!("remove me");
let max_memory = indexer.max_memory_by_thread();
let mut word_fid_docids_sorter = create_sorter(
grenad::SortAlgorithm::Unstable,
merge_cbo_roaring_bitmaps,
indexer.chunk_compression_type,
indexer.chunk_compression_level,
indexer.max_nb_chunks,
max_memory,
);
let mut key_buffer = Vec::new();
let mut cursor = docid_word_positions.into_cursor()?;
while let Some((key, value)) = cursor.move_on_next()? {
let (document_id_bytes, word_bytes) = try_split_array_at(key)
.ok_or(SerializationError::Decoding { db_name: Some(DOCID_WORD_POSITIONS) })?;
let document_id = DocumentId::from_be_bytes(document_id_bytes);
for position in read_u32_ne_bytes(value) {
key_buffer.clear();
key_buffer.extend_from_slice(word_bytes);
key_buffer.push(0);
let (fid, _) = relative_from_absolute_position(position);
key_buffer.extend_from_slice(&fid.to_be_bytes());
word_fid_docids_sorter.insert(&key_buffer, document_id.to_ne_bytes())?;
}
}
let word_fid_docids_reader = sorter_into_reader(word_fid_docids_sorter, indexer)?;
Ok(word_fid_docids_reader)
}

15
milli/src/update/index_documents/extract/mod.rs
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@ -6,7 +6,6 @@ mod extract_fid_word_count_docids;
mod extract_geo_points;
mod extract_vector_points;
mod extract_word_docids;
mod extract_word_fid_docids;
mod extract_word_pair_proximity_docids;
mod extract_word_position_docids;
@ -25,12 +24,11 @@ use self::extract_fid_word_count_docids::extract_fid_word_count_docids;
use self::extract_geo_points::extract_geo_points;
use self::extract_vector_points::extract_vector_points;
use self::extract_word_docids::extract_word_docids;
use self::extract_word_fid_docids::extract_word_fid_docids;
use self::extract_word_pair_proximity_docids::extract_word_pair_proximity_docids;
use self::extract_word_position_docids::extract_word_position_docids;
use super::helpers::{
as_cloneable_grenad, merge_cbo_roaring_bitmaps, merge_roaring_bitmaps, CursorClonableMmap,
GrenadParameters, MergeFn, MergeableReader,
as_cloneable_grenad, merge_cbo_roaring_bitmaps, CursorClonableMmap, GrenadParameters, MergeFn,
MergeableReader,
};
use super::{helpers, TypedChunk};
use crate::{FieldId, Result};
@ -201,15 +199,6 @@ pub(crate) fn data_from_obkv_documents(
TypedChunk::WordPositionDocids,
"word-position-docids",
);
// spawn_extraction_task::<_, _, Vec<grenad::Reader<File>>>(
// docid_word_positions_chunks,
// indexer,
// lmdb_writer_sx.clone(),
// extract_word_fid_docids,
// merge_cbo_roaring_bitmaps,
// TypedChunk::WordFidDocids,
// "word-fid-docids",
// );
spawn_extraction_task::<_, _, Vec<grenad::Reader<File>>>(
docid_fid_facet_strings_chunks,

1
milli/src/update/index_documents/helpers/merge_functions.rs
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@ -11,6 +11,7 @@ use crate::Result;
pub type MergeFn = for<'a> fn(&[u8], &[Cow<'a, [u8]>]) -> Result<Cow<'a, [u8]>>;
#[allow(unused)]
pub fn concat_u32s_array<'a>(_key: &[u8], values: &[Cow<'a, [u8]>]) -> Result<Cow<'a, [u8]>> {
if values.len() == 1 {
Ok(values[0].clone())

1
milli/src/update/index_documents/helpers/mod.rs
View File

@ -44,6 +44,7 @@ where
Some((head, tail))
}
#[allow(unused)]
pub fn read_u32_ne_bytes(bytes: &[u8]) -> impl Iterator<Item = u32> + '_ {
bytes.chunks_exact(4).flat_map(TryInto::try_into).map(u32::from_ne_bytes)
}

7
milli/src/update/index_documents/mod.rs
View File

@ -38,7 +38,7 @@ use crate::update::{
self, DeletionStrategy, IndexerConfig, PrefixWordPairsProximityDocids, UpdateIndexingStep,
WordPrefixDocids, WordPrefixIntegerDocids, WordsPrefixesFst,
};
use crate::{CboRoaringBitmapCodec, Index, Result, RoaringBitmapCodec};
use crate::{CboRoaringBitmapCodec, Index, Result};
static MERGED_DATABASE_COUNT: usize = 7;
static PREFIX_DATABASE_COUNT: usize = 5;
@ -434,11 +434,6 @@ where
word_position_docids = Some(cloneable_chunk);
TypedChunk::WordPositionDocids(chunk)
}
TypedChunk::WordFidDocids(chunk) => {
let cloneable_chunk = unsafe { as_cloneable_grenad(&chunk)? };
word_fid_docids = Some(cloneable_chunk);
TypedChunk::WordFidDocids(chunk)
}
otherwise => otherwise,
};

15
milli/src/update/index_documents/typed_chunk.rs
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@ -35,7 +35,6 @@ pub(crate) enum TypedChunk {
word_fid_docids_reader: grenad::Reader<File>,
},
WordPositionDocids(grenad::Reader<File>),
WordFidDocids(grenad::Reader<File>),
WordPairProximityDocids(grenad::Reader<File>),
FieldIdFacetStringDocids(grenad::Reader<File>),
FieldIdFacetNumberDocids(grenad::Reader<File>),
@ -78,9 +77,6 @@ impl TypedChunk {
TypedChunk::WordPositionDocids(grenad) => {
format!("WordPositionDocids {{ number_of_entries: {} }}", grenad.len())
}
TypedChunk::WordFidDocids(grenad) => {
format!("WordFidDocids {{ number_of_entries: {} }}", grenad.len())
}
TypedChunk::WordPairProximityDocids(grenad) => {
format!("WordPairProximityDocids {{ number_of_entries: {} }}", grenad.len())
}
@ -202,17 +198,6 @@ pub(crate) fn write_typed_chunk_into_index(
)?;
is_merged_database = true;
}
TypedChunk::WordFidDocids(word_fid_docids_iter) => {
append_entries_into_database(
word_fid_docids_iter,
&index.word_fid_docids,
wtxn,
index_is_empty,
|value, _buffer| Ok(value),
merge_cbo_roaring_bitmaps,
)?;
is_merged_database = true;
}
TypedChunk::FieldIdFacetNumberDocids(facet_id_number_docids_iter) => {
let indexer = FacetsUpdate::new(index, FacetType::Number, facet_id_number_docids_iter);
indexer.execute(wtxn)?;

2
milli/src/update/word_prefix_docids.rs
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@ -8,7 +8,7 @@ use crate::update::index_documents::{
create_sorter, merge_cbo_roaring_bitmaps, sorter_into_lmdb_database, valid_lmdb_key,
CursorClonableMmap, MergeFn,
};
use crate::{CboRoaringBitmapCodec, Result, RoaringBitmapCodec};
use crate::{CboRoaringBitmapCodec, Result};
pub struct WordPrefixDocids<'t, 'u, 'i> {
wtxn: &'t mut heed::RwTxn<'i, 'u>,