Update utils.go

utils/utils.go

@@ -82,4 +82,13 @@ func StrToString(str *mysql.Str) *string {
 
 func NumToUint32(num *mysql.Num) *uint32 {
 	return (*uint32)(num)
-}
\ No newline at end of file
+}
+
+func IsInStringList(str string, list []string) bool {
+	for _, v := range list {
+		if str == v {
+			return true
+		}
+	}
+	return false
+}