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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
// IndicesQuery can be used when executed across multiple indices, allowing
// to have a query that executes only when executed on an index that matches
// a specific list of indices, and another query that executes when it is
// executed on an index that does not match the listed indices.
//
// For more details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/query-dsl-indices-query.html
type IndicesQuery struct {
query Query
indices []string
noMatchQueryType string
noMatchQuery Query
queryName string
}
// NewIndicesQuery creates and initializes a new indices query.
func NewIndicesQuery(query Query, indices ...string) *IndicesQuery {
return &IndicesQuery{
query: query,
indices: indices,
}
}
// NoMatchQuery sets the query to use when it executes on an index that
// does not match the indices provided.
func (q *IndicesQuery) NoMatchQuery(query Query) *IndicesQuery {
q.noMatchQuery = query
return q
}
// NoMatchQueryType sets the no match query which can be either all or none.
func (q *IndicesQuery) NoMatchQueryType(typ string) *IndicesQuery {
q.noMatchQueryType = typ
return q
}
// QueryName sets the query name for the filter.
func (q *IndicesQuery) QueryName(queryName string) *IndicesQuery {
q.queryName = queryName
return q
}
// Source returns JSON for the function score query.
func (q *IndicesQuery) Source() (interface{}, error) {
// {
// "indices" : {
// "indices" : ["index1", "index2"],
// "query" : {
// "term" : { "tag" : "wow" }
// },
// "no_match_query" : {
// "term" : { "tag" : "kow" }
// }
// }
// }
source := make(map[string]interface{})
params := make(map[string]interface{})
source["indices"] = params
params["indices"] = q.indices
src, err := q.query.Source()
if err != nil {
return nil, err
}
params["query"] = src
if q.noMatchQuery != nil {
src, err := q.noMatchQuery.Source()
if err != nil {
return nil, err
}
params["no_match_query"] = src
} else if q.noMatchQueryType != "" {
params["no_match_query"] = q.noMatchQueryType
}
if q.queryName != "" {
params["_name"] = q.queryName
}
return source, nil
}
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