diff options
Diffstat (limited to 'vendor/github.com/olivere/elastic/search_queries_bool.go')
| -rw-r--r-- | vendor/github.com/olivere/elastic/search_queries_bool.go | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/vendor/github.com/olivere/elastic/search_queries_bool.go b/vendor/github.com/olivere/elastic/search_queries_bool.go new file mode 100644 index 000000000..a1ff17596 --- /dev/null +++ b/vendor/github.com/olivere/elastic/search_queries_bool.go @@ -0,0 +1,203 @@ +// 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 + +import "fmt" + +// A bool query matches documents matching boolean +// combinations of other queries. +// For more details, see: +// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/query-dsl-bool-query.html +type BoolQuery struct { + Query + mustClauses []Query + mustNotClauses []Query + filterClauses []Query + shouldClauses []Query + boost *float64 + minimumShouldMatch string + adjustPureNegative *bool + queryName string +} + +// Creates a new bool query. +func NewBoolQuery() *BoolQuery { + return &BoolQuery{ + mustClauses: make([]Query, 0), + mustNotClauses: make([]Query, 0), + filterClauses: make([]Query, 0), + shouldClauses: make([]Query, 0), + } +} + +func (q *BoolQuery) Must(queries ...Query) *BoolQuery { + q.mustClauses = append(q.mustClauses, queries...) + return q +} + +func (q *BoolQuery) MustNot(queries ...Query) *BoolQuery { + q.mustNotClauses = append(q.mustNotClauses, queries...) + return q +} + +func (q *BoolQuery) Filter(filters ...Query) *BoolQuery { + q.filterClauses = append(q.filterClauses, filters...) + return q +} + +func (q *BoolQuery) Should(queries ...Query) *BoolQuery { + q.shouldClauses = append(q.shouldClauses, queries...) + return q +} + +func (q *BoolQuery) Boost(boost float64) *BoolQuery { + q.boost = &boost + return q +} + +func (q *BoolQuery) MinimumShouldMatch(minimumShouldMatch string) *BoolQuery { + q.minimumShouldMatch = minimumShouldMatch + return q +} + +func (q *BoolQuery) MinimumNumberShouldMatch(minimumNumberShouldMatch int) *BoolQuery { + q.minimumShouldMatch = fmt.Sprintf("%d", minimumNumberShouldMatch) + return q +} + +func (q *BoolQuery) AdjustPureNegative(adjustPureNegative bool) *BoolQuery { + q.adjustPureNegative = &adjustPureNegative + return q +} + +func (q *BoolQuery) QueryName(queryName string) *BoolQuery { + q.queryName = queryName + return q +} + +// Creates the query source for the bool query. +func (q *BoolQuery) Source() (interface{}, error) { + // { + // "bool" : { + // "must" : { + // "term" : { "user" : "kimchy" } + // }, + // "must_not" : { + // "range" : { + // "age" : { "from" : 10, "to" : 20 } + // } + // }, + // "filter" : [ + // ... + // ] + // "should" : [ + // { + // "term" : { "tag" : "wow" } + // }, + // { + // "term" : { "tag" : "elasticsearch" } + // } + // ], + // "minimum_should_match" : 1, + // "boost" : 1.0 + // } + // } + + query := make(map[string]interface{}) + + boolClause := make(map[string]interface{}) + query["bool"] = boolClause + + // must + if len(q.mustClauses) == 1 { + src, err := q.mustClauses[0].Source() + if err != nil { + return nil, err + } + boolClause["must"] = src + } else if len(q.mustClauses) > 1 { + var clauses []interface{} + for _, subQuery := range q.mustClauses { + src, err := subQuery.Source() + if err != nil { + return nil, err + } + clauses = append(clauses, src) + } + boolClause["must"] = clauses + } + + // must_not + if len(q.mustNotClauses) == 1 { + src, err := q.mustNotClauses[0].Source() + if err != nil { + return nil, err + } + boolClause["must_not"] = src + } else if len(q.mustNotClauses) > 1 { + var clauses []interface{} + for _, subQuery := range q.mustNotClauses { + src, err := subQuery.Source() + if err != nil { + return nil, err + } + clauses = append(clauses, src) + } + boolClause["must_not"] = clauses + } + + // filter + if len(q.filterClauses) == 1 { + src, err := q.filterClauses[0].Source() + if err != nil { + return nil, err + } + boolClause["filter"] = src + } else if len(q.filterClauses) > 1 { + var clauses []interface{} + for _, subQuery := range q.filterClauses { + src, err := subQuery.Source() + if err != nil { + return nil, err + } + clauses = append(clauses, src) + } + boolClause["filter"] = clauses + } + + // should + if len(q.shouldClauses) == 1 { + src, err := q.shouldClauses[0].Source() + if err != nil { + return nil, err + } + boolClause["should"] = src + } else if len(q.shouldClauses) > 1 { + var clauses []interface{} + for _, subQuery := range q.shouldClauses { + src, err := subQuery.Source() + if err != nil { + return nil, err + } + clauses = append(clauses, src) + } + boolClause["should"] = clauses + } + + if q.boost != nil { + boolClause["boost"] = *q.boost + } + if q.minimumShouldMatch != "" { + boolClause["minimum_should_match"] = q.minimumShouldMatch + } + if q.adjustPureNegative != nil { + boolClause["adjust_pure_negative"] = *q.adjustPureNegative + } + if q.queryName != "" { + boolClause["_name"] = q.queryName + } + + return query, nil +} |