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forgejo/vendor/github.com/blevesearch/bleve/search/query/prefix.go
Ethan Koenig b0f7457d9e Improve issue search (#2387)
* Improve issue indexer

* Fix new issue sqlite bug

* Different test indexer paths for each db

* Add integration indexer paths to make clean
2017-09-16 23:16:21 +03:00

62 lines
1.7 KiB
Go

// Copyright (c) 2014 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package query
import (
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/mapping"
"github.com/blevesearch/bleve/search"
"github.com/blevesearch/bleve/search/searcher"
)
type PrefixQuery struct {
Prefix string `json:"prefix"`
FieldVal string `json:"field,omitempty"`
BoostVal *Boost `json:"boost,omitempty"`
}
// NewPrefixQuery creates a new Query which finds
// documents containing terms that start with the
// specified prefix.
func NewPrefixQuery(prefix string) *PrefixQuery {
return &PrefixQuery{
Prefix: prefix,
}
}
func (q *PrefixQuery) SetBoost(b float64) {
boost := Boost(b)
q.BoostVal = &boost
}
func (q *PrefixQuery) Boost() float64 {
return q.BoostVal.Value()
}
func (q *PrefixQuery) SetField(f string) {
q.FieldVal = f
}
func (q *PrefixQuery) Field() string {
return q.FieldVal
}
func (q *PrefixQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
field := q.FieldVal
if q.FieldVal == "" {
field = m.DefaultSearchField()
}
return searcher.NewTermPrefixSearcher(i, q.Prefix, field, q.BoostVal.Value(), options)
}