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Determine fuzziness of bleve indexer by keyword length (#29706)

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also bleve did match on fuzzy search and the other way around. this also fix that bug.
This commit is contained in:
6543
2024-03-23 16:45:13 +01:00
committed by GitHub
parent 1cdc6c3a4e
commit b9c57fb78e
4 changed files with 29 additions and 37 deletions
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25
modules/indexer/issues/bleve/bleve.go
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@ -35,7 +35,11 @@ func addUnicodeNormalizeTokenFilter(m *mapping.IndexMappingImpl) error {
})
}
const maxBatchSize = 16
const (
maxBatchSize = 16
// fuzzyDenominator determines the levenshtein distance per each character of a keyword
fuzzyDenominator = 4
)
// IndexerData an update to the issue indexer
type IndexerData internal.IndexerData
@ -156,19 +160,16 @@ func (b *Indexer) Search(ctx context.Context, options *internal.SearchOptions) (
var queries []query.Query
if options.Keyword != "" {
fuzziness := 0
if options.IsFuzzyKeyword {
queries = append(queries, bleve.NewDisjunctionQuery([]query.Query{
inner_bleve.MatchPhraseQuery(options.Keyword, "title", issueIndexerAnalyzer),
inner_bleve.MatchPhraseQuery(options.Keyword, "content", issueIndexerAnalyzer),
inner_bleve.MatchPhraseQuery(options.Keyword, "comments", issueIndexerAnalyzer),
}...))
} else {
queries = append(queries, bleve.NewDisjunctionQuery([]query.Query{
inner_bleve.PrefixQuery(options.Keyword, "title"),
inner_bleve.PrefixQuery(options.Keyword, "content"),
inner_bleve.PrefixQuery(options.Keyword, "comments"),
}...))
fuzziness = len(options.Keyword) / fuzzyDenominator
}
queries = append(queries, bleve.NewDisjunctionQuery([]query.Query{
inner_bleve.MatchPhraseQuery(options.Keyword, "title", issueIndexerAnalyzer, fuzziness),
inner_bleve.MatchPhraseQuery(options.Keyword, "content", issueIndexerAnalyzer, fuzziness),
inner_bleve.MatchPhraseQuery(options.Keyword, "comments", issueIndexerAnalyzer, fuzziness),
}...))
}
if len(options.RepoIDs) > 0 || options.AllPublic {