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index ngrams for bookmark notes

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This commit is contained in:
Nikita Galaiko 2023-05-26 08:48:23 +02:00
parent afa4c397d8
commit 9102dd706b
1 changed files with 26 additions and 4 deletions
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30
src-tauri/src/search/bookmarks.rs
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@ -4,7 +4,12 @@ use std::{
};
use anyhow::Result;
use tantivy::{collector, directory::MmapDirectory, schema};
use tantivy::{
collector,
directory::MmapDirectory,
schema::{self, TextFieldIndexing, TextOptions},
tokenizer,
};
use crate::bookmarks;
@ -19,11 +24,22 @@ const WRITE_BUFFER_SIZE: usize = 10_000_000; // 10MB
fn build_schema() -> schema::Schema {
let mut schema_builder = schema::Schema::builder();
schema_builder.add_u64_field("version", schema::INDEXED);
schema_builder.add_text_field("id", schema::STRING);
schema_builder.add_text_field("project_id", schema::STRING);
schema_builder.add_u64_field("timestamp_ms", schema::INDEXED | schema::STORED);
schema_builder.add_text_field("note", schema::TEXT);
let id_options = TextOptions::default()
.set_indexing_options(TextFieldIndexing::default().set_tokenizer("raw"))
.set_stored();
schema_builder.add_text_field("id", id_options.clone());
schema_builder.add_text_field("project_id", id_options);
let text_options = TextOptions::default()
.set_indexing_options(TextFieldIndexing::default().set_tokenizer("ngram2_3"));
schema_builder.add_text_field("note", text_options);
schema_builder.build()
}
@ -61,6 +77,12 @@ impl Bookmarks {
.settings(index_settings)
.open_or_create(mmap_dir)?;
index.tokenizers().register(
"ngram2_3",
tokenizer::TextAnalyzer::from(tokenizer::NgramTokenizer::all_ngrams(2, 3))
.filter(tokenizer::LowerCaser),
);
let reader = index.reader()?;
let writer = index.writer_with_num_threads(1, WRITE_BUFFER_SIZE)?;