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gitea/vendor/github.com/blevesearch/bleve/search/query/numeric_range.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

88 lines
2.6 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 (
"fmt"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/mapping"
"github.com/blevesearch/bleve/search"
"github.com/blevesearch/bleve/search/searcher"
)
type NumericRangeQuery struct {
Min *float64 `json:"min,omitempty"`
Max *float64 `json:"max,omitempty"`
InclusiveMin *bool `json:"inclusive_min,omitempty"`
InclusiveMax *bool `json:"inclusive_max,omitempty"`
FieldVal string `json:"field,omitempty"`
BoostVal *Boost `json:"boost,omitempty"`
}
// NewNumericRangeQuery creates a new Query for ranges
// of numeric values.
// Either, but not both endpoints can be nil.
// The minimum value is inclusive.
// The maximum value is exclusive.
func NewNumericRangeQuery(min, max *float64) *NumericRangeQuery {
return NewNumericRangeInclusiveQuery(min, max, nil, nil)
}
// NewNumericRangeInclusiveQuery creates a new Query for ranges
// of numeric values.
// Either, but not both endpoints can be nil.
// Control endpoint inclusion with inclusiveMin, inclusiveMax.
func NewNumericRangeInclusiveQuery(min, max *float64, minInclusive, maxInclusive *bool) *NumericRangeQuery {
return &NumericRangeQuery{
Min: min,
Max: max,
InclusiveMin: minInclusive,
InclusiveMax: maxInclusive,
}
}
func (q *NumericRangeQuery) SetBoost(b float64) {
boost := Boost(b)
q.BoostVal = &boost
}
func (q *NumericRangeQuery) Boost() float64 {
return q.BoostVal.Value()
}
func (q *NumericRangeQuery) SetField(f string) {
q.FieldVal = f
}
func (q *NumericRangeQuery) Field() string {
return q.FieldVal
}
func (q *NumericRangeQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
field := q.FieldVal
if q.FieldVal == "" {
field = m.DefaultSearchField()
}
return searcher.NewNumericRangeSearcher(i, q.Min, q.Max, q.InclusiveMin, q.InclusiveMax, field, q.BoostVal.Value(), options)
}
func (q *NumericRangeQuery) Validate() error {
if q.Min == nil && q.Min == q.Max {
return fmt.Errorf("numeric range query must specify min or max")
}
return nil
}