/
query_allmatch.go
69 lines (58 loc) · 1.6 KB
/
query_allmatch.go
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package blevext
import (
"github.com/blevesearch/bleve"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/mapping"
"github.com/blevesearch/bleve/search"
"github.com/blevesearch/bleve/search/query"
)
type allMatchQuery struct {
Match string `json:"match"`
FieldVal string `json:"field,omitempty"`
BoostVal float64 `json:"boost,omitempty"`
}
// NewAllMatchQuery is like NewMatchQuery but all extracted terms must match.
func NewAllMatchQuery(match string) *allMatchQuery {
return &allMatchQuery{
Match: match,
BoostVal: 1.0,
}
}
func (q *allMatchQuery) Boost() float64 {
return q.BoostVal
}
func (q *allMatchQuery) SetBoost(b float64) {
q.BoostVal = b
}
func (q *allMatchQuery) Field() string {
return q.FieldVal
}
func (q *allMatchQuery) SetField(f string) {
q.FieldVal = f
}
func (q *allMatchQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, explain bool) (search.Searcher, error) {
field := q.FieldVal
if q.FieldVal == "" {
field = m.DefaultSearchField()
}
analyzerName := m.AnalyzerNameForPath(field)
analyzer := m.AnalyzerNamed(analyzerName)
tokens := analyzer.Analyze([]byte(q.Match))
if len(tokens) == 0 {
noneQuery := bleve.NewMatchNoneQuery()
return noneQuery.Searcher(i, m, explain)
}
tqs := make([]query.Query, len(tokens))
for i, token := range tokens {
tq := bleve.NewTermQuery(string(token.Term))
tq.SetField(field)
tq.SetBoost(q.BoostVal)
tqs[i] = tq
}
allQuery := bleve.NewConjunctionQuery(tqs...)
allQuery.SetBoost(q.BoostVal)
return allQuery.Searcher(i, m, explain)
}
func (q *allMatchQuery) Validate() error {
return nil
}