boost support for match query added

query_match.go

@@ -71,6 +71,7 @@ type matchParams struct {
 	MinMatch     string        `structs:"minimum_should_match,omitempty"`
 	ZeroTerms    ZeroTerms     `structs:"zero_terms_query,string,omitempty"`
 	Slp          uint16        `structs:"slop,omitempty"` // only relevant for match_phrase query
+	Boost        float32       `structs:"boost,omitempty"`
 }
 
 // Match creates a new query of type "match" with the provided field name.
@@ -202,6 +203,12 @@ func (q *MatchQuery) ZeroTermsQuery(s ZeroTerms) *MatchQuery {
 	return q
 }
 
+// Boost sets the boost value of the query.
+func (q *MatchQuery) Boost(b float32) *MatchQuery {
+	q.params.Boost = b
+	return q
+}
+
 // MatchOperator is an enumeration type representing supported values for a
 // match query's "operator" parameter.
 type MatchOperator uint8

query_match_test.go

@@ -17,6 +17,18 @@ func TestMatch(t *testing.T) {
 				},
 			},
 		},
+		{
+			"simple match with boost",
+			Match("title", "sample text").Boost(50),
+			map[string]interface{}{
+				"match": map[string]interface{}{
+					"title": map[string]interface{}{
+						"query": "sample text",
+						"boost": 50,
+					},
+				},
+			},
+		},
 		{
 			"match with more params",
 			Match("issue_number").Query(16).Transpositions(false).MaxExpansions(32).Operator(OperatorAnd),