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Adding various tests for combinations of
UNION, ROLLUP, GROUP_CONCAT, for better coverage.
This commit is contained in:
Alexander Barkov
@@ -897,3 +897,260 @@ CREATE TABLE t1 AS SELECT 1 ORDER BY 1 UNION SELECT 2;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 2' at line 1
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CREATE TABLE t1 AS SELECT 1 LIMIT 1 UNION SELECT 2;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'UNION SELECT 2' at line 1
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#
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# MDEV-8909 union parser cleanup
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#
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# UNION with a non-parenthesized term
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# The following two queries return a wrong result
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# This will change when MDEV-10120 is fixed
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# For now, we're testing the parser.
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT 1 AS a UNION SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a);
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a
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1
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SELECT 1 AS a UNION SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a);
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a
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1
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DROP TABLE t1;
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# UNION with a parenthesed term
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a) LIMIT 2);
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a
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1
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10
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20
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a));
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ERROR HY000: Invalid use of group function
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) LIMIT 1;
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ERROR HY000: Invalid use of group function
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a;
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ERROR HY000: Invalid use of group function
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a ORDER BY GROUP_CONCAT(a)) ORDER BY a LIMIT 1;
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ERROR HY000: Invalid use of group function
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DROP TABLE t1;
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# UNION with a parethesized term with ROLLUP
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) LIMIT 1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP) ORDER BY a LIMIT 1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP LIMIT 2);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY a);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a));
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT 1 AS a UNION (SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a ORDER BY a));
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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DROP TABLE t1;
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# UNION with a non-parethesized term with ROLLUP
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# This will change after: MDEV-10120 Wrong result of UNION .. ORDER BY GROUP_CONCAT()
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# Currently we're testing the parser only
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT 1 AS a UNION SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a);
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a
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1
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SELECT 1 AS a UNION SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a ORDER BY a);
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a
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1
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SELECT 1 AS a UNION SELECT a FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a ORDER BY a) LIMIT 1;
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a
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1
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DROP TABLE t1;
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# Derived table with ROLLUP
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1;
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a
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10
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20
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30
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NULL
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 LIMIT 1;
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a
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10
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY a;
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a
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NULL
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10
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20
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30
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY a LIMIT 1;
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a
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NULL
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY a DESC LIMIT 1;
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a
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30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY GROUP_CONCAT(a);
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a GROUP_CONCAT(a)
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10 10,20,30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY GROUP_CONCAT(a ORDER BY a);
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a GROUP_CONCAT(a)
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10 10,20,30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY GROUP_CONCAT(a) LIMIT 1;
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a GROUP_CONCAT(a)
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10 10,20,30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 ORDER BY GROUP_CONCAT(a ORDER BY a) LIMIT 1;
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a GROUP_CONCAT(a)
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10 10,20,30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a);
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a GROUP_CONCAT(a)
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NULL NULL
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10 10
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20 20
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30 30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a);
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a GROUP_CONCAT(a)
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NULL NULL
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10 10
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20 20
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30 30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a) DESC;
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a GROUP_CONCAT(a)
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30 30
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20 20
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10 10
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NULL NULL
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a) DESC;
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a GROUP_CONCAT(a)
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30 30
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20 20
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10 10
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NULL NULL
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a) LIMIT 1;
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a GROUP_CONCAT(a)
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NULL NULL
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a) LIMIT 1;
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a GROUP_CONCAT(a)
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NULL NULL
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a) DESC LIMIT 1;
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a GROUP_CONCAT(a)
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30 30
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SELECT a, GROUP_CONCAT(a) FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP) t1 GROUP BY a ORDER BY GROUP_CONCAT(a ORDER BY a) DESC LIMIT 1;
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a GROUP_CONCAT(a)
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30 30
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a) t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a)) t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT * FROM (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a ORDER BY a)) t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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DROP TABLE t1;
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# Subquery, one row, ROLLUP
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10);
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL);
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL)
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NULL
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NOT NULL);
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NOT NULL)
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL) FROM t1;
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NULL)
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NULL
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NOT NULL) FROM t1;
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP HAVING a IS NOT NULL)
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP);
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP);
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP) FROM t1;
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP) FROM t1;
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a));
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a)) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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DROP TABLE t1;
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# Subquery, multiple rows, ROLLUP
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (10),(20),(30);
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1);
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(SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT * FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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10
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10
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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10
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10
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1) FROM t1;
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(SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP LIMIT 1)
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10
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10
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10
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP);
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP);
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP) FROM t1;
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT GROUP_CONCAT(a) FROM t1 GROUP BY a WITH ROLLUP) FROM t1;
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ERROR 21000: Subquery returns more than 1 row
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1);
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a));
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT * FROM t1 GROUP BY a WITH ROLLUP ORDER BY GROUP_CONCAT(a)) FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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SELECT (SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a WITH ROLLUP ORDER BY a LIMIT 1) AS a FROM t1;
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ERROR HY000: Incorrect usage of CUBE/ROLLUP and ORDER BY
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DROP TABLE t1;
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