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https://github.com/go-gitea/gitea
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* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
132 lines
3.6 KiB
Go
Vendored
132 lines
3.6 KiB
Go
Vendored
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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// HasChildQuery accepts a query and the child type to run against, and results
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// in parent documents that have child docs matching the query.
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//
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// For more details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/query-dsl-has-child-query.html
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type HasChildQuery struct {
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query Query
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childType string
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boost *float64
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scoreMode string
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minChildren *int
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maxChildren *int
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shortCircuitCutoff *int
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queryName string
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innerHit *InnerHit
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}
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// NewHasChildQuery creates and initializes a new has_child query.
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func NewHasChildQuery(childType string, query Query) *HasChildQuery {
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return &HasChildQuery{
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query: query,
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childType: childType,
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}
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}
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// Boost sets the boost for this query.
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func (q *HasChildQuery) Boost(boost float64) *HasChildQuery {
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q.boost = &boost
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return q
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}
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// ScoreMode defines how the scores from the matching child documents
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// are mapped into the parent document. Allowed values are: min, max,
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// avg, or none.
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func (q *HasChildQuery) ScoreMode(scoreMode string) *HasChildQuery {
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q.scoreMode = scoreMode
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return q
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}
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// MinChildren defines the minimum number of children that are required
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// to match for the parent to be considered a match.
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func (q *HasChildQuery) MinChildren(minChildren int) *HasChildQuery {
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q.minChildren = &minChildren
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return q
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}
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// MaxChildren defines the maximum number of children that are required
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// to match for the parent to be considered a match.
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func (q *HasChildQuery) MaxChildren(maxChildren int) *HasChildQuery {
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q.maxChildren = &maxChildren
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return q
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}
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// ShortCircuitCutoff configures what cut off point only to evaluate
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// parent documents that contain the matching parent id terms instead
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// of evaluating all parent docs.
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func (q *HasChildQuery) ShortCircuitCutoff(shortCircuitCutoff int) *HasChildQuery {
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q.shortCircuitCutoff = &shortCircuitCutoff
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return q
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}
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// QueryName specifies the query name for the filter that can be used when
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// searching for matched filters per hit.
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func (q *HasChildQuery) QueryName(queryName string) *HasChildQuery {
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q.queryName = queryName
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return q
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}
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// InnerHit sets the inner hit definition in the scope of this query and
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// reusing the defined type and query.
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func (q *HasChildQuery) InnerHit(innerHit *InnerHit) *HasChildQuery {
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q.innerHit = innerHit
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return q
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}
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// Source returns JSON for the function score query.
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func (q *HasChildQuery) Source() (interface{}, error) {
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// {
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// "has_child" : {
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// "type" : "blog_tag",
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// "score_mode" : "min",
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// "query" : {
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// "term" : {
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// "tag" : "something"
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// }
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// }
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// }
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// }
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source := make(map[string]interface{})
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query := make(map[string]interface{})
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source["has_child"] = query
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src, err := q.query.Source()
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if err != nil {
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return nil, err
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}
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query["query"] = src
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query["type"] = q.childType
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if q.boost != nil {
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query["boost"] = *q.boost
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}
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if q.scoreMode != "" {
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query["score_mode"] = q.scoreMode
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}
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if q.minChildren != nil {
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query["min_children"] = *q.minChildren
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}
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if q.maxChildren != nil {
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query["max_children"] = *q.maxChildren
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}
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if q.shortCircuitCutoff != nil {
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query["short_circuit_cutoff"] = *q.shortCircuitCutoff
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}
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if q.queryName != "" {
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query["_name"] = q.queryName
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}
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if q.innerHit != nil {
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src, err := q.innerHit.Source()
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if err != nil {
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return nil, err
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}
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query["inner_hits"] = src
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}
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return source, nil
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}
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