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Use value buffer instead of the initial value when writting the final result in the sorter

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ManyTheFish 2023-10-24 10:19:32 +02:00 committed by Louis Dureuil
parent 576fa9c6da
commit 476e4d3dbe
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1 changed files with 6 additions and 2 deletions
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8
milli/src/update/index_documents/extract/extract_docid_word_positions.rs
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@ -115,6 +115,7 @@ pub fn extract_docid_word_positions<R: io::Read + io::Seek>(
let (add_obkv, add_script_language_word_count) = add?;
// merge deletions and additions.
// transforming two KV<FieldId, KV<u16, String>> into one KV<FieldId, KV<DelAdd, KV<u16, String>>>
value_buffer.clear();
del_add_from_two_obkvs(
KvReader::<FieldId>::new(del_obkv),
@ -122,8 +123,8 @@ pub fn extract_docid_word_positions<R: io::Read + io::Seek>(
&mut value_buffer,
)?;
// write them into the sorter.
let obkv = KvReader::<FieldId>::new(value);
// write each KV<DelAdd, KV<u16, String>> into the sorter, field by field.
let obkv = KvReader::<FieldId>::new(&value_buffer);
for (field_id, value) in obkv.iter() {
key_buffer.truncate(mem::size_of::<u32>());
key_buffer.extend_from_slice(&field_id.to_be_bytes());
@ -151,6 +152,7 @@ pub fn extract_docid_word_positions<R: io::Read + io::Seek>(
}
}
// the returned sorter is serialized as: key: (DocId, FieldId), value: KV<DelAdd, KV<u16, String>>.
sorter_into_reader(docid_word_positions_sorter, indexer)
.map(|reader| (documents_ids, reader, script_language_docids))
}
@ -266,6 +268,7 @@ fn lang_safe_tokens_from_document<'a>(
}
}
// returns a (KV<FieldId, KV<u16, String>>, HashMap<Script, Vec<(Language, usize)>>)
Ok((&buffers.obkv_buffer, script_language_word_count))
}
@ -331,6 +334,7 @@ fn tokens_from_document<'a>(
}
}
// returns a KV<FieldId, KV<u16, String>>
Ok(document_writer.into_inner().map(|v| v.as_slice())?)
}