Merge pull request #139 from jorbs/master

SIMILAR TO operator

Author: Miguel Molina

operators.go

@@ -62,14 +62,22 @@ func Neq(col SchemaField, value interface{}) Condition {
 	}
 }
 
-// Like returns a condition that will be true when `col` matches the given value.
+// Like returns a condition that will be true when `col` matches the given `value`.
 // See https://www.postgresql.org/docs/9.6/static/functions-matching.html.
 func Like(col SchemaField, value string) Condition {
 	return func(schema Schema) squirrel.Sqlizer {
 		return &colOp{col.QualifiedName(schema), "LIKE", value}
 	}
 }
 
+// SimilarTo returns a condition that will be true when `col` matches the given `value`.
+// See https://www.postgresql.org/docs/9.6/static/functions-matching.html.
+func SimilarTo(col SchemaField, value string) Condition {
+	return func(schema Schema) squirrel.Sqlizer {
+		return &colOp{col.QualifiedName(schema), "SIMILAR TO", value}
+	}
+}
+
 // Or returns the given conditions joined by logical ors.
 func Or(conds ...Condition) Condition {
 	return func(schema Schema) squirrel.Sqlizer {

operators_test.go

@@ -50,6 +50,7 @@ func (s *OpsSuite) TestOperators() {
 		{"Lt", Lt(f("age"), 2), 1},
 		{"Neq", Neq(f("name"), "Joe"), 2},
 		{"Like", Like(f("name"), "J%"), 2},
+		{"Similar", SimilarTo(f("name"), "An{2}a"), 1},
 		{"GtOrEq", GtOrEq(f("age"), 2), 2},
 		{"LtOrEq", LtOrEq(f("age"), 3), 3},
 		{"Not", Not(Eq(f("name"), "Joe")), 2},