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Remove fid_wordcount_docids.rs

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This commit is contained in:
ManyTheFish 2024-09-30 11:52:31 +02:00
parent 5b552caf42
commit 8df6daf308
2 changed files with 0 additions and 125 deletions
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124
milli/src/update/new/extract/searchable/extract_fid_word_count_docids.rs
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@ -1,124 +0,0 @@
use std::collections::HashMap;
use heed::RoTxn;
use super::tokenize_document::DocumentTokenizer;
use super::SearchableExtractor;
use crate::update::new::extract::cache::CboCachedSorter;
use crate::update::new::DocumentChange;
use crate::update::MergeDeladdCboRoaringBitmaps;
use crate::{FieldId, GlobalFieldsIdsMap, Index, Result};
const MAX_COUNTED_WORDS: usize = 30;
pub struct FidWordCountDocidsExtractor;
impl SearchableExtractor for FidWordCountDocidsExtractor {
fn attributes_to_extract<'a>(
rtxn: &'a RoTxn,
index: &'a Index,
) -> Result<Option<Vec<&'a str>>> {
index.user_defined_searchable_fields(rtxn).map_err(Into::into)
}
fn attributes_to_skip<'a>(_rtxn: &'a RoTxn, _index: &'a Index) -> Result<Vec<&'a str>> {
Ok(vec![])
}
// This method is reimplemented to count the number of words in the document in each field
// and to store the docids of the documents that have a number of words in a given field equal to or under than MAX_COUNTED_WORDS.
fn extract_document_change(
rtxn: &RoTxn,
index: &Index,
document_tokenizer: &DocumentTokenizer,
fields_ids_map: &mut GlobalFieldsIdsMap,
cached_sorter: &mut CboCachedSorter<MergeDeladdCboRoaringBitmaps>,
document_change: DocumentChange,
) -> Result<()> {
let mut key_buffer = Vec::new();
match document_change {
DocumentChange::Deletion(inner) => {
let mut fid_word_count = HashMap::new();
let mut token_fn = |_fname: &str, fid: FieldId, _pos: u16, _word: &str| {
fid_word_count.entry(fid).and_modify(|count| *count += 1).or_insert(1);
Ok(())
};
document_tokenizer.tokenize_document(
inner.current(rtxn, index)?.unwrap(),
fields_ids_map,
&mut token_fn,
)?;
// The docids of the documents that have a number of words in a given field equal to or under than MAX_COUNTED_WORDS are deleted.
for (fid, count) in fid_word_count.iter() {
if *count <= MAX_COUNTED_WORDS {
let key = build_key(*fid, *count as u8, &mut key_buffer);
cached_sorter.insert_del_u32(key, inner.docid())?;
}
}
}
DocumentChange::Update(inner) => {
let mut fid_word_count = HashMap::new();
let mut token_fn = |_fname: &str, fid: FieldId, _pos: u16, _word: &str| {
fid_word_count
.entry(fid)
.and_modify(|(current_count, _new_count)| *current_count += 1)
.or_insert((1, 0));
Ok(())
};
document_tokenizer.tokenize_document(
inner.current(rtxn, index)?.unwrap(),
fields_ids_map,
&mut token_fn,
)?;
let mut token_fn = |_fname: &str, fid: FieldId, _pos: u16, _word: &str| {
fid_word_count
.entry(fid)
.and_modify(|(_current_count, new_count)| *new_count += 1)
.or_insert((0, 1));
Ok(())
};
document_tokenizer.tokenize_document(inner.new(), fields_ids_map, &mut token_fn)?;
// Only the fields that have a change in the number of words are updated.
for (fid, (current_count, new_count)) in fid_word_count.iter() {
if *current_count != *new_count {
if *current_count <= MAX_COUNTED_WORDS {
let key = build_key(*fid, *current_count as u8, &mut key_buffer);
cached_sorter.insert_del_u32(key, inner.docid())?;
}
if *new_count <= MAX_COUNTED_WORDS {
let key = build_key(*fid, *new_count as u8, &mut key_buffer);
cached_sorter.insert_add_u32(key, inner.docid())?;
}
}
}
}
DocumentChange::Insertion(inner) => {
let mut fid_word_count = HashMap::new();
let mut token_fn = |_fname: &str, fid: FieldId, _pos: u16, _word: &str| {
fid_word_count.entry(fid).and_modify(|count| *count += 1).or_insert(1);
Ok(())
};
document_tokenizer.tokenize_document(inner.new(), fields_ids_map, &mut token_fn)?;
// The docids of the documents that have a number of words in a given field equal to or under than MAX_COUNTED_WORDS are stored.
for (fid, count) in fid_word_count.iter() {
if *count <= MAX_COUNTED_WORDS {
let key = build_key(*fid, *count as u8, &mut key_buffer);
cached_sorter.insert_add_u32(key, inner.docid())?;
}
}
}
}
Ok(())
}
}
fn build_key(fid: FieldId, count: u8, key_buffer: &mut Vec<u8>) -> &[u8] {
key_buffer.clear();
key_buffer.extend_from_slice(&fid.to_be_bytes());
key_buffer.push(count);
key_buffer.as_slice()
}

1
milli/src/update/new/extract/searchable/mod.rs
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@ -1,4 +1,3 @@
mod extract_fid_word_count_docids;
mod extract_word_docids;
mod extract_word_pair_proximity_docids;
mod tokenize_document;