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--echo #
--echo # MariaDB does not support group functions in some contexts where MySQL does
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10),(20),(30);
--echo # All these queries must pass, not returning "Invalid use of group function".
(SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a));
(SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) LIMIT 1;
(SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a));
(SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) LIMIT 1;
(SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a;
(SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
(SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) ORDER BY a;
(SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a));
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a));
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) ORDER BY a;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
(SELECT a FROM t1 GROUP BY a ORDER BY MAX(a)) ORDER BY a;
(SELECT a FROM t1 GROUP BY a ORDER BY MAX(a)) ORDER BY a LIMIT 1;
(SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a)) ORDER BY a;
(SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a)) ORDER BY a LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY MAX(a));
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY MAX(a)) LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY MAX(a)) ORDER BY a;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY MAX(a)) ORDER BY a LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a));
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a)) LIMIT 1;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a)) ORDER BY a;
SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY a,MAX(a)) ORDER BY a LIMIT 1;
drop table t1;
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