diff options
Diffstat (limited to 'vendor/github.com/olivere/elastic/search_queries_dis_max.go')
| -rw-r--r-- | vendor/github.com/olivere/elastic/search_queries_dis_max.go | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/vendor/github.com/olivere/elastic/search_queries_dis_max.go b/vendor/github.com/olivere/elastic/search_queries_dis_max.go deleted file mode 100644 index 7a4f53a97..000000000 --- a/vendor/github.com/olivere/elastic/search_queries_dis_max.go +++ /dev/null @@ -1,104 +0,0 @@ -// 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 - -// DisMaxQuery is a query that generates the union of documents produced by -// its subqueries, and that scores each document with the maximum score -// for that document as produced by any subquery, plus a tie breaking -// increment for any additional matching subqueries. -// -// For more details, see: -// https://www.elastic.co/guide/en/elasticsearch/reference/6.0/query-dsl-dis-max-query.html -type DisMaxQuery struct { - queries []Query - boost *float64 - tieBreaker *float64 - queryName string -} - -// NewDisMaxQuery creates and initializes a new dis max query. -func NewDisMaxQuery() *DisMaxQuery { - return &DisMaxQuery{ - queries: make([]Query, 0), - } -} - -// Query adds one or more queries to the dis max query. -func (q *DisMaxQuery) Query(queries ...Query) *DisMaxQuery { - q.queries = append(q.queries, queries...) - return q -} - -// Boost sets the boost for this query. Documents matching this query will -// (in addition to the normal weightings) have their score multiplied by -// the boost provided. -func (q *DisMaxQuery) Boost(boost float64) *DisMaxQuery { - q.boost = &boost - return q -} - -// TieBreaker is the factor by which the score of each non-maximum disjunct -// for a document is multiplied with and added into the final score. -// -// If non-zero, the value should be small, on the order of 0.1, which says -// that 10 occurrences of word in a lower-scored field that is also in a -// higher scored field is just as good as a unique word in the lower scored -// field (i.e., one that is not in any higher scored field). -func (q *DisMaxQuery) TieBreaker(tieBreaker float64) *DisMaxQuery { - q.tieBreaker = &tieBreaker - return q -} - -// QueryName sets the query name for the filter that can be used -// when searching for matched filters per hit. -func (q *DisMaxQuery) QueryName(queryName string) *DisMaxQuery { - q.queryName = queryName - return q -} - -// Source returns the JSON serializable content for this query. -func (q *DisMaxQuery) Source() (interface{}, error) { - // { - // "dis_max" : { - // "tie_breaker" : 0.7, - // "boost" : 1.2, - // "queries" : { - // { - // "term" : { "age" : 34 } - // }, - // { - // "term" : { "age" : 35 } - // } - // ] - // } - // } - - query := make(map[string]interface{}) - params := make(map[string]interface{}) - query["dis_max"] = params - - if q.tieBreaker != nil { - params["tie_breaker"] = *q.tieBreaker - } - if q.boost != nil { - params["boost"] = *q.boost - } - if q.queryName != "" { - params["_name"] = q.queryName - } - - // queries - var clauses []interface{} - for _, subQuery := range q.queries { - src, err := subQuery.Source() - if err != nil { - return nil, err - } - clauses = append(clauses, src) - } - params["queries"] = clauses - - return query, nil -} |