[String] LIKE properly escapes regexp-characters (#156)

* [String] `LIKE` properly escapes regexp-characters * remove unused import
goccy · Mar 9, 2024 · 5f9498b · 5f9498b
1 parent 4505d46
commit 5f9498b
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/internal/function.go b/internal/function.go
@@ -214,7 +214,7 @@ func LIKE(a, b Value) (Value, error) {
 	if err != nil {
 		return nil, err
 	}
-	wildcard := strings.Replace(vb, "%", ".*", -1)
+	wildcard := strings.Replace(regexp.QuoteMeta(vb), "%", ".*", -1)
 	matchLimits := fmt.Sprintf("^%s$", wildcard)
 	re, err := regexp.Compile(matchLimits)
 	if err != nil {

diff --git a/query_test.go b/query_test.go
@@ -158,6 +158,11 @@ func TestQuery(t *testing.T) {
 			query:        `SELECT "abcd" LIKE "a%d"`,
 			expectedRows: [][]interface{}{{true}},
 		},
+		{
+			name:         "like operator - special regex characters",
+			query:        `SELECT 'my*string' LIKE '%%*%%', 'my*string' LIKE '%%([][%';`,
+			expectedRows: [][]interface{}{{true, false}},
+		},
 		{
 			name:         "like operator2",
 			query:        `SELECT "abcd" LIKE "%a%"`,