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gitea/vendor/github.com/olivere/elastic/v7/search_queries_prefix.go

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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
// PrefixQuery matches documents that have fields containing terms
// with a specified prefix (not analyzed).
//
// For more details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/query-dsl-prefix-query.html
type PrefixQuery struct {
name string
prefix string
boost *float64
rewrite string
queryName string
}
// NewPrefixQuery creates and initializes a new PrefixQuery.
func NewPrefixQuery(name string, prefix string) *PrefixQuery {
return &PrefixQuery{name: name, prefix: prefix}
}
// Boost sets the boost for this query.
func (q *PrefixQuery) Boost(boost float64) *PrefixQuery {
q.boost = &boost
return q
}
func (q *PrefixQuery) Rewrite(rewrite string) *PrefixQuery {
q.rewrite = rewrite
return q
}
// QueryName sets the query name for the filter that can be used when
// searching for matched_filters per hit.
func (q *PrefixQuery) QueryName(queryName string) *PrefixQuery {
q.queryName = queryName
return q
}
// Source returns JSON for the query.
func (q *PrefixQuery) Source() (interface{}, error) {
source := make(map[string]interface{})
query := make(map[string]interface{})
source["prefix"] = query
if q.boost == nil && q.rewrite == "" && q.queryName == "" {
query[q.name] = q.prefix
} else {
subQuery := make(map[string]interface{})
subQuery["value"] = q.prefix
if q.boost != nil {
subQuery["boost"] = *q.boost
}
if q.rewrite != "" {
subQuery["rewrite"] = q.rewrite
}
if q.queryName != "" {
subQuery["_name"] = q.queryName
}
query[q.name] = subQuery
}
return source, nil
}