97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
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// 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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// TermsSetQuery returns any documents that match with at least
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// one or more of the provided terms. The terms are not analyzed
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// and thus must match exactly. The number of terms that must
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// match varies per document and is either controlled by a
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// minimum should match field or computed per document in a
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// minimum should match script.
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//
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// For more details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/6.2/query-dsl-terms-set-query.html
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type TermsSetQuery struct {
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name string
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values []interface{}
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minimumShouldMatchField string
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minimumShouldMatchScript *Script
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queryName string
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boost *float64
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}
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// NewTermsSetQuery creates and initializes a new TermsSetQuery.
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func NewTermsSetQuery(name string, values ...interface{}) *TermsSetQuery {
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q := &TermsSetQuery{
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name: name,
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}
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if len(values) > 0 {
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q.values = append(q.values, values...)
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}
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return q
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}
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// MinimumShouldMatchField specifies the field to match.
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func (q *TermsSetQuery) MinimumShouldMatchField(minimumShouldMatchField string) *TermsSetQuery {
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q.minimumShouldMatchField = minimumShouldMatchField
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return q
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}
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// MinimumShouldMatchScript specifies the script to match.
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func (q *TermsSetQuery) MinimumShouldMatchScript(minimumShouldMatchScript *Script) *TermsSetQuery {
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q.minimumShouldMatchScript = minimumShouldMatchScript
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return q
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}
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// Boost sets the boost for this query.
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func (q *TermsSetQuery) Boost(boost float64) *TermsSetQuery {
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q.boost = &boost
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return q
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}
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// QueryName sets the query name for the filter that can be used
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// when searching for matched_filters per hit
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func (q *TermsSetQuery) QueryName(queryName string) *TermsSetQuery {
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q.queryName = queryName
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return q
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}
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// Source creates the query source for the term query.
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func (q *TermsSetQuery) Source() (interface{}, error) {
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// {"terms_set":{"codes":{"terms":["abc","def"],"minimum_should_match_field":"required_matches"}}}
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source := make(map[string]interface{})
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inner := make(map[string]interface{})
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params := make(map[string]interface{})
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inner[q.name] = params
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source["terms_set"] = inner
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// terms
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params["terms"] = q.values
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// minimum_should_match_field
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if match := q.minimumShouldMatchField; match != "" {
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params["minimum_should_match_field"] = match
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}
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// minimum_should_match_script
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if match := q.minimumShouldMatchScript; match != nil {
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src, err := match.Source()
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if err != nil {
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return nil, err
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}
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params["minimum_should_match_script"] = src
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}
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// Common parameters for all queries
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if q.boost != nil {
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params["boost"] = *q.boost
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}
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if q.queryName != "" {
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params["_name"] = q.queryName
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}
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return source, nil
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}
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