DROP DATABASE IF EXISTS mcol5703; CREATE DATABASE mcol5703; USE mcol5703; CREATE TABLE `doubles` ( `a` int(11), `b` int(11) ) ENGINE=Columnstore DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci; INSERT INTO doubles VALUES (1, 2), (2, 4); SELECT a, b FROM doubles UNION VALUES (3, 6); ERROR 42000: The storage engine for the table doesn't support subquery with VALUES SELECT a, b FROM doubles UNION ALL VALUES (3, 6); ERROR 42000: The storage engine for the table doesn't support subquery with VALUES SELECT a, b FROM doubles UNION DISTINCT VALUES (3, 6); ERROR 42000: The storage engine for the table doesn't support subquery with VALUES DROP TABLE doubles; DROP DATABASE mcol5703;