Albirew/nyaa-pantsu
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nyaa-pantsu/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_missing.go
akuma06 a41f938cec Add Godep support (#758)
As we have seen, dependencies version can prevent the build. We should
user lock versions on dependencies that we know work:
* Packages are vendored
* Add Godep support
* Added addtional install step in readme
* Fix travis build error
2017-05-26 13:07:22 +02:00

81 lignes
2,3 Kio
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
// MissingAggregation is a field data based single bucket aggregation,
// that creates a bucket of all documents in the current document set context
// that are missing a field value (effectively, missing a field or having
// the configured NULL value set). This aggregator will often be used in
// conjunction with other field data bucket aggregators (such as ranges)
// to return information for all the documents that could not be placed
// in any of the other buckets due to missing field data values.
// See: https://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-aggregations-bucket-missing-aggregation.html
type MissingAggregation struct {
field string
subAggregations map[string]Aggregation
meta map[string]interface{}
}
func NewMissingAggregation() *MissingAggregation {
return &MissingAggregation{
subAggregations: make(map[string]Aggregation),
}
}
func (a *MissingAggregation) Field(field string) *MissingAggregation {
a.field = field
return a
}
func (a *MissingAggregation) SubAggregation(name string, subAggregation Aggregation) *MissingAggregation {
a.subAggregations[name] = subAggregation
return a
}
// Meta sets the meta data to be included in the aggregation response.
func (a *MissingAggregation) Meta(metaData map[string]interface{}) *MissingAggregation {
a.meta = metaData
return a
}
func (a *MissingAggregation) Source() (interface{}, error) {
// Example:
// {
// "aggs" : {
// "products_without_a_price" : {
// "missing" : { "field" : "price" }
// }
// }
// }
// This method returns only the { "missing" : { ... } } part.
source := make(map[string]interface{})
opts := make(map[string]interface{})
source["missing"] = opts
if a.field != "" {
opts["field"] = a.field
}
// AggregationBuilder (SubAggregations)
if len(a.subAggregations) > 0 {
aggsMap := make(map[string]interface{})
source["aggregations"] = aggsMap
for name, aggregate := range a.subAggregations {
src, err := aggregate.Source()
if err != nil {
return nil, err
}
aggsMap[name] = src
}
}
// Add Meta data if available
if len(a.meta) > 0 {
source["meta"] = a.meta
}
return source, nil
}