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author | Christopher Speller <crspeller@gmail.com> | 2018-01-29 14:17:40 -0800 |
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committer | GitHub <noreply@github.com> | 2018-01-29 14:17:40 -0800 |
commit | 961c04cae992eadb42d286d2f85f8a675bdc68c8 (patch) | |
tree | 3408f2d06f847e966c53485e2d54c692cdd037c1 /vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go | |
parent | 8d66523ba7d9a77129844be476732ebfd5272d64 (diff) | |
download | chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.tar.gz chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.tar.bz2 chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.zip |
Upgrading server dependancies (#8154)
Diffstat (limited to 'vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go')
-rw-r--r-- | vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go b/vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go new file mode 100644 index 000000000..926d493a1 --- /dev/null +++ b/vendor/github.com/olivere/elastic/search_aggs_bucket_nested.go @@ -0,0 +1,82 @@ +// 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 + +// NestedAggregation is a special single bucket aggregation that enables +// aggregating nested documents. +// See: https://www.elastic.co/guide/en/elasticsearch/reference/6.0/search-aggregations-bucket-nested-aggregation.html +type NestedAggregation struct { + path string + subAggregations map[string]Aggregation + meta map[string]interface{} +} + +func NewNestedAggregation() *NestedAggregation { + return &NestedAggregation{ + subAggregations: make(map[string]Aggregation), + } +} + +func (a *NestedAggregation) SubAggregation(name string, subAggregation Aggregation) *NestedAggregation { + a.subAggregations[name] = subAggregation + return a +} + +// Meta sets the meta data to be included in the aggregation response. +func (a *NestedAggregation) Meta(metaData map[string]interface{}) *NestedAggregation { + a.meta = metaData + return a +} + +func (a *NestedAggregation) Path(path string) *NestedAggregation { + a.path = path + return a +} + +func (a *NestedAggregation) Source() (interface{}, error) { + // Example: + // { + // "query" : { + // "match" : { "name" : "led tv" } + // } + // "aggs" : { + // "resellers" : { + // "nested" : { + // "path" : "resellers" + // }, + // "aggs" : { + // "min_price" : { "min" : { "field" : "resellers.price" } } + // } + // } + // } + // } + // This method returns only the { "nested" : {} } part. + + source := make(map[string]interface{}) + opts := make(map[string]interface{}) + source["nested"] = opts + + opts["path"] = a.path + + // 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 +} |