mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-09-24 17:41:45 +02:00
44 lines
1.4 KiB
Rust
44 lines
1.4 KiB
Rust
use std::borrow::Cow;
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use heed::Result as ZResult;
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use heed::types::{ByteSlice, OwnedType};
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use crate::database::MainT;
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use crate::{DocumentId, FstSetCow};
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use super::BEU32;
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#[derive(Copy, Clone)]
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pub struct DocsWords {
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pub(crate) docs_words: heed::Database<OwnedType<BEU32>, ByteSlice>,
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}
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impl DocsWords {
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pub fn put_doc_words(
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self,
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writer: &mut heed::RwTxn<MainT>,
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document_id: DocumentId,
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words: &FstSetCow,
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) -> ZResult<()> {
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let document_id = BEU32::new(document_id.0);
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let bytes = words.as_fst().as_bytes();
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self.docs_words.put(writer, &document_id, bytes)
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}
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pub fn del_doc_words(self, writer: &mut heed::RwTxn<MainT>, document_id: DocumentId) -> ZResult<bool> {
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let document_id = BEU32::new(document_id.0);
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self.docs_words.delete(writer, &document_id)
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}
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pub fn clear(self, writer: &mut heed::RwTxn<MainT>) -> ZResult<()> {
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self.docs_words.clear(writer)
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}
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pub fn doc_words(self, reader: &heed::RoTxn<MainT>, document_id: DocumentId) -> ZResult<FstSetCow> {
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let document_id = BEU32::new(document_id.0);
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match self.docs_words.get(reader, &document_id)? {
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Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
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None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
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}
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}
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}
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