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// Copyright 2012-2015 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
// Filters documents that only have the provided ids.
// Note, this filter does not require the _id field to be indexed
// since it works using the _uid field.
// For more details, see
// http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-ids-query.html
type IdsQuery struct {
Query
types []string
values []string
boost float32
queryName string
}
// NewIdsQuery creates a new ids query.
func NewIdsQuery(types ...string) IdsQuery {
q := IdsQuery{
types: types,
values: make([]string, 0),
boost: -1.0,
}
return q
}
func (q IdsQuery) Ids(ids ...string) IdsQuery {
q.values = append(q.values, ids...)
return q
}
func (q IdsQuery) Boost(boost float32) IdsQuery {
q.boost = boost
return q
}
func (q IdsQuery) QueryName(queryName string) IdsQuery {
q.queryName = queryName
return q
}
// Creates the query source for the ids query.
func (q IdsQuery) Source() interface{} {
// {
// "ids" : {
// "type" : "my_type",
// "values" : ["1", "4", "100"]
// }
// }
source := make(map[string]interface{})
query := make(map[string]interface{})
source["ids"] = query
// type(s)
if len(q.types) == 1 {
query["type"] = q.types[0]
} else if len(q.types) > 1 {
query["types"] = q.types
}
// values
query["values"] = q.values
if q.boost != -1.0 {
query["boost"] = q.boost
}
if q.queryName != "" {
query["_name"] = q.queryName
}
return source
}
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