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-rw-r--r--vendor/github.com/olivere/elastic/search_queries_has_child.go131
1 files changed, 131 insertions, 0 deletions
diff --git a/vendor/github.com/olivere/elastic/search_queries_has_child.go b/vendor/github.com/olivere/elastic/search_queries_has_child.go
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+++ b/vendor/github.com/olivere/elastic/search_queries_has_child.go
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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
+
+// HasChildQuery accepts a query and the child type to run against, and results
+// in parent documents that have child docs matching the query.
+//
+// For more details, see
+// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/query-dsl-has-child-query.html
+type HasChildQuery struct {
+ query Query
+ childType string
+ boost *float64
+ scoreMode string
+ minChildren *int
+ maxChildren *int
+ shortCircuitCutoff *int
+ queryName string
+ innerHit *InnerHit
+}
+
+// NewHasChildQuery creates and initializes a new has_child query.
+func NewHasChildQuery(childType string, query Query) *HasChildQuery {
+ return &HasChildQuery{
+ query: query,
+ childType: childType,
+ }
+}
+
+// Boost sets the boost for this query.
+func (q *HasChildQuery) Boost(boost float64) *HasChildQuery {
+ q.boost = &boost
+ return q
+}
+
+// ScoreMode defines how the scores from the matching child documents
+// are mapped into the parent document. Allowed values are: min, max,
+// avg, or none.
+func (q *HasChildQuery) ScoreMode(scoreMode string) *HasChildQuery {
+ q.scoreMode = scoreMode
+ return q
+}
+
+// MinChildren defines the minimum number of children that are required
+// to match for the parent to be considered a match.
+func (q *HasChildQuery) MinChildren(minChildren int) *HasChildQuery {
+ q.minChildren = &minChildren
+ return q
+}
+
+// MaxChildren defines the maximum number of children that are required
+// to match for the parent to be considered a match.
+func (q *HasChildQuery) MaxChildren(maxChildren int) *HasChildQuery {
+ q.maxChildren = &maxChildren
+ return q
+}
+
+// ShortCircuitCutoff configures what cut off point only to evaluate
+// parent documents that contain the matching parent id terms instead
+// of evaluating all parent docs.
+func (q *HasChildQuery) ShortCircuitCutoff(shortCircuitCutoff int) *HasChildQuery {
+ q.shortCircuitCutoff = &shortCircuitCutoff
+ return q
+}
+
+// QueryName specifies the query name for the filter that can be used when
+// searching for matched filters per hit.
+func (q *HasChildQuery) QueryName(queryName string) *HasChildQuery {
+ q.queryName = queryName
+ return q
+}
+
+// InnerHit sets the inner hit definition in the scope of this query and
+// reusing the defined type and query.
+func (q *HasChildQuery) InnerHit(innerHit *InnerHit) *HasChildQuery {
+ q.innerHit = innerHit
+ return q
+}
+
+// Source returns JSON for the function score query.
+func (q *HasChildQuery) Source() (interface{}, error) {
+ // {
+ // "has_child" : {
+ // "type" : "blog_tag",
+ // "score_mode" : "min",
+ // "query" : {
+ // "term" : {
+ // "tag" : "something"
+ // }
+ // }
+ // }
+ // }
+ source := make(map[string]interface{})
+ query := make(map[string]interface{})
+ source["has_child"] = query
+
+ src, err := q.query.Source()
+ if err != nil {
+ return nil, err
+ }
+ query["query"] = src
+ query["type"] = q.childType
+ if q.boost != nil {
+ query["boost"] = *q.boost
+ }
+ if q.scoreMode != "" {
+ query["score_mode"] = q.scoreMode
+ }
+ if q.minChildren != nil {
+ query["min_children"] = *q.minChildren
+ }
+ if q.maxChildren != nil {
+ query["max_children"] = *q.maxChildren
+ }
+ if q.shortCircuitCutoff != nil {
+ query["short_circuit_cutoff"] = *q.shortCircuitCutoff
+ }
+ if q.queryName != "" {
+ query["_name"] = q.queryName
+ }
+ if q.innerHit != nil {
+ src, err := q.innerHit.Source()
+ if err != nil {
+ return nil, err
+ }
+ query["inner_hits"] = src
+ }
+ return source, nil
+}