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extract exact_word_prefix_docids

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This commit is contained in:
ad hoc
2022-03-25 16:17:55 +01:00
parent 6dd2e4ffbd
commit e8f06f6c06
2 changed files with 51 additions and 23 deletions
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66
milli/src/update/index_documents/mod.rs
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@ -4,11 +4,13 @@ mod transform;
mod typed_chunk;
use std::collections::HashSet;
use std::io::{Read, Seek};
use std::io::{Cursor, Read, Seek};
use std::iter::FromIterator;
use std::num::{NonZeroU32, NonZeroUsize};
use crossbeam_channel::{Receiver, Sender};
use heed::types::Str;
use heed::Database;
use log::debug;
use roaring::RoaringBitmap;
use serde::{Deserialize, Serialize};
@ -20,7 +22,7 @@ pub use self::helpers::{
fst_stream_into_vec, merge_cbo_roaring_bitmaps, merge_roaring_bitmaps,
sorter_into_lmdb_database, write_into_lmdb_database, writer_into_reader, ClonableMmap, MergeFn,
};
use self::helpers::{grenad_obkv_into_chunks, merge_nothing, GrenadParameters};
use self::helpers::{grenad_obkv_into_chunks, GrenadParameters};
pub use self::transform::{Transform, TransformOutput};
use crate::documents::DocumentBatchReader;
pub use crate::update::index_documents::helpers::CursorClonableMmap;
@ -28,7 +30,7 @@ use crate::update::{
self, Facets, IndexerConfig, UpdateIndexingStep, WordPrefixDocids,
WordPrefixPairProximityDocids, WordPrefixPositionDocids, WordsPrefixesFst,
};
use crate::{Index, Result};
use crate::{Index, Result, RoaringBitmapCodec};
static MERGED_DATABASE_COUNT: usize = 7;
static PREFIX_DATABASE_COUNT: usize = 5;
@ -433,25 +435,25 @@ where
});
if let Some(word_docids) = word_docids {
let mut word_docids_builder = grenad::MergerBuilder::new(merge_nothing as MergeFn);
word_docids_builder.push(word_docids.into_cursor()?);
if let Some(exact_word_docids) = exact_word_docids {
word_docids_builder.push(exact_word_docids.into_cursor()?);
}
let word_docids_iter = word_docids_builder.build().into_stream_merger_iter()?;
// Run the word prefix docids update operation.
let mut builder = WordPrefixDocids::new(
execute_word_prefix_docids(
self.wtxn,
word_docids,
self.index.word_docids.clone(),
self.index.word_prefix_docids.clone(),
);
builder.chunk_compression_type = self.indexer_config.chunk_compression_type;
builder.chunk_compression_level = self.indexer_config.chunk_compression_level;
builder.max_nb_chunks = self.indexer_config.max_nb_chunks;
builder.max_memory = self.indexer_config.max_memory;
builder.execute(
word_docids_iter,
&self.indexer_config,
&new_prefix_fst_words,
&common_prefix_fst_words,
&del_prefix_fst_words,
)?;
}
if let Some(exact_word_docids) = exact_word_docids {
execute_word_prefix_docids(
self.wtxn,
exact_word_docids,
self.index.exact_word_docids.clone(),
self.index.exact_word_prefix_docids.clone(),
&self.indexer_config,
&new_prefix_fst_words,
&common_prefix_fst_words,
&del_prefix_fst_words,
@ -516,6 +518,32 @@ where
}
}
/// Run the word prefix docids update operation.
fn execute_word_prefix_docids(
txn: &mut heed::RwTxn,
reader: grenad::Reader<Cursor<ClonableMmap>>,
word_docids_db: Database<Str, RoaringBitmapCodec>,
word_prefix_docids_db: Database<Str, RoaringBitmapCodec>,
indexer_config: &IndexerConfig,
new_prefix_fst_words: &[String],
common_prefix_fst_words: &[&[String]],
del_prefix_fst_words: &HashSet<Vec<u8>>,
) -> Result<()> {
let cursor = reader.into_cursor()?;
let mut builder = WordPrefixDocids::new(txn, word_docids_db, word_prefix_docids_db);
builder.chunk_compression_type = indexer_config.chunk_compression_type;
builder.chunk_compression_level = indexer_config.chunk_compression_level;
builder.max_nb_chunks = indexer_config.max_nb_chunks;
builder.max_memory = indexer_config.max_memory;
builder.execute(
cursor,
&new_prefix_fst_words,
&common_prefix_fst_words,
&del_prefix_fst_words,
)?;
Ok(())
}
#[cfg(test)]
mod tests {
use std::io::Cursor;