Remove AUTO_INCREMENT from reserved keywords

Author: atavakoliyext

parse_test.go

@@ -70,6 +70,9 @@ var (
 		input: "select /* double */ /* comment */ 1 from t",
 	}, {
 		input: "select /* back-quote keyword */ `By` from t",
+	}, {
+		input:  "select auto_increment + 5000 from information_schema.tables",
+		output: "select `auto_increment` + 5000 from information_schema.`tables`",
 	}, {
 		input: "select /* back-quote num */ `2a` from t",
 	}, {