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Don't create partial matching words for synonyms, split words, phrases

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This commit is contained in:
Loïc Lecrenier 2022-11-28 10:19:43 +01:00
parent 8284bd760f
commit e2ebed62b1
1 changed files with 18 additions and 8 deletions
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26
milli/src/search/query_tree.rs
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@ -588,15 +588,21 @@ fn create_matching_words(
PrimitiveQueryPart::Word(word, prefix) => {
if let Some(synonyms) = ctx.synonyms(&[word.as_str()])? {
for synonym in synonyms {
let synonym = synonym
// Require that all words of the synonym have a corresponding MatchingWord
// before adding any of its words to the matching_words result.
if let Some(synonym_matching_words) = synonym
.into_iter()
.flat_map(|syn| matching_word_cache.insert(syn, 0, false))
.collect();
matching_words.push((synonym, vec![id]));
.map(|word| matching_word_cache.insert(word, 0, false))
.collect()
{
matching_words.push((synonym_matching_words, vec![id]));
}
}
}
if let Some((left, right)) = split_best_frequency(ctx, &word)? {
// Require that both left and right words have a corresponding MatchingWord
// before adding them to the matching_words result
if let Some(left) = matching_word_cache.insert(left.to_string(), 0, false) {
if let Some(right) = matching_word_cache.insert(right.to_string(), 0, false)
{
@ -624,12 +630,16 @@ fn create_matching_words(
PrimitiveQueryPart::Phrase(words) => {
let ids: Vec<_> =
(0..words.len()).into_iter().map(|i| id + i as PrimitiveWordId).collect();
let words = words
// Require that all words of the phrase have a corresponding MatchingWord
// before adding any of them to the matching_words result
if let Some(phrase_matching_words) = words
.into_iter()
.flatten()
.flat_map(|w| matching_word_cache.insert(w, 0, false))
.collect();
matching_words.push((words, ids));
.map(|w| matching_word_cache.insert(w, 0, false))
.collect()
{
matching_words.push((phrase_matching_words, ids));
}
}
}