1 files changed, 113 insertions, 0 deletions
diff --git a/vendor/github.com/olivere/elastic/search_aggs_pipeline_stats_bucket.go b/vendor/github.com/olivere/elastic/search_aggs_pipeline_stats_bucket.go
new file mode 100644
index 000000000..e68a420f2
--- /dev/null
+++ b/vendor/github.com/olivere/elastic/search_aggs_pipeline_stats_bucket.go
@@ -0,0 +1,113 @@
+// 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
+
+// StatsBucketAggregation is a sibling pipeline aggregation which calculates
+// a variety of stats across all bucket of a specified metric in a sibling aggregation.
+// The specified metric must be numeric and the sibling aggregation must
+// be a multi-bucket aggregation.
+//
+// For more details, see
+// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/search-aggregations-pipeline-stats-bucket-aggregation.html
+type StatsBucketAggregation struct {
+	format    string
+	gapPolicy string
+
+	subAggregations map[string]Aggregation
+	meta            map[string]interface{}
+	bucketsPaths    []string
+}
+
+// NewStatsBucketAggregation creates and initializes a new StatsBucketAggregation.
+func NewStatsBucketAggregation() *StatsBucketAggregation {
+	return &StatsBucketAggregation{
+		subAggregations: make(map[string]Aggregation),
+		bucketsPaths:    make([]string, 0),
+	}
+}
+
+func (s *StatsBucketAggregation) Format(format string) *StatsBucketAggregation {
+	s.format = format
+	return s
+}
+
+// GapPolicy defines what should be done when a gap in the series is discovered.
+// Valid values include "insert_zeros" or "skip". Default is "insert_zeros".
+func (s *StatsBucketAggregation) GapPolicy(gapPolicy string) *StatsBucketAggregation {
+	s.gapPolicy = gapPolicy
+	return s
+}
+
+// GapInsertZeros inserts zeros for gaps in the series.
+func (s *StatsBucketAggregation) GapInsertZeros() *StatsBucketAggregation {
+	s.gapPolicy = "insert_zeros"
+	return s
+}
+
+// GapSkip skips gaps in the series.
+func (s *StatsBucketAggregation) GapSkip() *StatsBucketAggregation {
+	s.gapPolicy = "skip"
+	return s
+}
+
+// SubAggregation adds a sub-aggregation to this aggregation.
+func (s *StatsBucketAggregation) SubAggregation(name string, subAggregation Aggregation) *StatsBucketAggregation {
+	s.subAggregations[name] = subAggregation
+	return s
+}
+
+// Meta sets the meta data to be included in the aggregation response.
+func (s *StatsBucketAggregation) Meta(metaData map[string]interface{}) *StatsBucketAggregation {
+	s.meta = metaData
+	return s
+}
+
+// BucketsPath sets the paths to the buckets to use for this pipeline aggregator.
+func (s *StatsBucketAggregation) BucketsPath(bucketsPaths ...string) *StatsBucketAggregation {
+	s.bucketsPaths = append(s.bucketsPaths, bucketsPaths...)
+	return s
+}
+
+func (s *StatsBucketAggregation) Source() (interface{}, error) {
+	source := make(map[string]interface{})
+	params := make(map[string]interface{})
+	source["stats_bucket"] = params
+
+	if s.format != "" {
+		params["format"] = s.format
+	}
+	if s.gapPolicy != "" {
+		params["gap_policy"] = s.gapPolicy
+	}
+
+	// Add buckets paths
+	switch len(s.bucketsPaths) {
+	case 0:
+	case 1:
+		params["buckets_path"] = s.bucketsPaths[0]
+	default:
+		params["buckets_path"] = s.bucketsPaths
+	}
+
+	// AggregationBuilder (SubAggregations)
+	if len(s.subAggregations) > 0 {
+		aggsMap := make(map[string]interface{})
+		source["aggregations"] = aggsMap
+		for name, aggregate := range s.subAggregations {
+			src, err := aggregate.Source()
+			if err != nil {
+				return nil, err
+			}
+			aggsMap[name] = src
+		}
+	}
+
+	// Add Meta data if available
+	if len(s.meta) > 0 {
+		source["meta"] = s.meta
+	}
+
+	return source, nil
+}