diff options
Diffstat (limited to 'vendor/github.com/blevesearch/bleve/search/query/disjunction.go')
| -rw-r--r-- | vendor/github.com/blevesearch/bleve/search/query/disjunction.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/vendor/github.com/blevesearch/bleve/search/query/disjunction.go b/vendor/github.com/blevesearch/bleve/search/query/disjunction.go index dacc3a75b1..2bc1d70441 100644 --- a/vendor/github.com/blevesearch/bleve/search/query/disjunction.go +++ b/vendor/github.com/blevesearch/bleve/search/query/disjunction.go @@ -58,7 +58,8 @@ func (q *DisjunctionQuery) SetMin(m float64) { q.Min = m } -func (q *DisjunctionQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) { +func (q *DisjunctionQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, + options search.SearcherOptions) (search.Searcher, error) { ss := make([]search.Searcher, 0, len(q.Disjuncts)) for _, disjunct := range q.Disjuncts { sr, err := disjunct.Searcher(i, m, options) @@ -76,9 +77,17 @@ func (q *DisjunctionQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, } ss = append(ss, sr) } + if len(ss) < 1 { return searcher.NewMatchNoneSearcher(i) + } else if len(ss) == 1 && int(q.Min) == ss[0].Min() { + // apply optimization only if both conditions below are satisfied: + // - disjunction searcher has only 1 child searcher + // - parent searcher's min setting is equal to child searcher's min + + return ss[0], nil } + return searcher.NewDisjunctionSearcher(i, ss, q.Min, options) } |