mirror of https://github.com/minio/minio.git
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
// 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
|
|
|
|
// ExistsQuery is a query that only matches on documents that the field
|
|
// has a value in them.
|
|
//
|
|
// For more details, see:
|
|
// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/query-dsl-exists-query.html
|
|
type ExistsQuery struct {
|
|
name string
|
|
queryName string
|
|
}
|
|
|
|
// NewExistsQuery creates and initializes a new dis max query.
|
|
func NewExistsQuery(name string) *ExistsQuery {
|
|
return &ExistsQuery{
|
|
name: name,
|
|
}
|
|
}
|
|
|
|
// QueryName sets the query name for the filter that can be used
|
|
// when searching for matched queries per hit.
|
|
func (q *ExistsQuery) QueryName(queryName string) *ExistsQuery {
|
|
q.queryName = queryName
|
|
return q
|
|
}
|
|
|
|
// Source returns the JSON serializable content for this query.
|
|
func (q *ExistsQuery) Source() (interface{}, error) {
|
|
// {
|
|
// "exists" : {
|
|
// "field" : "user"
|
|
// }
|
|
// }
|
|
|
|
query := make(map[string]interface{})
|
|
params := make(map[string]interface{})
|
|
query["exists"] = params
|
|
|
|
params["field"] = q.name
|
|
if q.queryName != "" {
|
|
params["_name"] = q.queryName
|
|
}
|
|
|
|
return query, nil
|
|
}
|