feat(query): fix ut
@@ -1792,6 +1792,10 @@ substr(String, Int64) :: String
substr(String NULL, Int64 NULL) :: String NULL
substr(String, Int64, UInt64) :: String
substr(String NULL, Int64 NULL, UInt64 NULL) :: String NULL
+substr_utf8(String, Int64) :: String
+substr_utf8(String NULL, Int64 NULL) :: String NULL
+substr_utf8(String, Int64, UInt64) :: String
+substr_utf8(String NULL, Int64 NULL, UInt64 NULL) :: String NULL
subtract_days(Timestamp, Int64) :: Timestamp
subtract_days(Timestamp NULL, Int64 NULL) :: Timestamp NULL
subtract_days(Date, Int64) :: Date
