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Make hard separators split phrase query

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hard separators will now split a phrase query as double double-quotes

Fix #208
This commit is contained in:
many 2021-06-08 17:29:38 +02:00
parent 32cf5a29ce
commit b489d699ce
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GPG Key ID: 2CEF23B75189EACA
1 changed files with 29 additions and 3 deletions
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32
milli/src/search/query_tree.rs
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@ -1,7 +1,9 @@
use std::{fmt, cmp, mem};
use fst::Set;
use meilisearch_tokenizer::{TokenKind, tokenizer::TokenStream};
use meilisearch_tokenizer::token::SeparatorKind;
use meilisearch_tokenizer::tokenizer::TokenStream;
use meilisearch_tokenizer::TokenKind;
use roaring::RoaringBitmap;
use slice_group_by::GroupBy;
@ -467,13 +469,14 @@ fn create_primitive_query(query: TokenStream, stop_words: Option<Set<&[u8]>>, wo
primitive_query.push(PrimitiveQueryPart::Word(token.word.to_string(), true));
}
},
TokenKind::Separator(_) => {
TokenKind::Separator(separator_kind) => {
let quote_count = token.word.chars().filter(|&s| s == '"').count();
// swap quoted state if we encounter a double quote
if quote_count % 2 != 0 {
quoted = !quoted;
}
if !phrase.is_empty() && quote_count > 0 {
// if there are any quote or any hard separator we close the phrase.
if !phrase.is_empty() && (quote_count > 0 || separator_kind == SeparatorKind::Hard) {
primitive_query.push(PrimitiveQueryPart::Phrase(mem::take(&mut phrase)));
}
},
@ -798,6 +801,29 @@ mod test {
assert_eq!(expected, query_tree);
}
#[test]
fn phrase_with_hard_separator() {
let query = "\"hey friends. wooop wooop\"";
let analyzer = Analyzer::new(AnalyzerConfig::<Vec<u8>>::default());
let result = analyzer.analyze(query);
let tokens = result.tokens();
let expected = Operation::And(vec![
Operation::Consecutive(vec![
Operation::Query(Query { prefix: false, kind: QueryKind::exact("hey".to_string()) }),
Operation::Query(Query { prefix: false, kind: QueryKind::exact("friends".to_string()) }),
]),
Operation::Consecutive(vec![
Operation::Query(Query { prefix: false, kind: QueryKind::exact("wooop".to_string()) }),
Operation::Query(Query { prefix: false, kind: QueryKind::exact("wooop".to_string()) }),
]),
]);
let (query_tree, _) = TestContext::default().build(false, true, None, tokens).unwrap().unwrap();
assert_eq!(expected, query_tree);
}
#[test]
fn optional_word() {
let query = "hey my friend ";