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MDEV-8380: Subquery parse error
backport mysql parser fixes 0034963fbf199696792491bcb79d5f0731c98804 5948561812bc691bd0c13cf518a3fe77d9daf920
This commit is contained in:
Oleksandr Byelkin
@@ -765,3 +765,259 @@ DROP TABLE t1;
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CREATE TABLE t1(a INT);
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SELECT * FROM t1 JOIN ((SELECT 1 AS b) UNION ALL (SELECT 2 AS b) ORDER BY b DESC) s1 WHERE a=1;
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DROP TABLE t1;
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--echo #
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--echo # Test of collective fix for three parser bugs:
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--echo #
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--echo # Bug #17727401, Bug #17426017, Bug #17473479:
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--echo # The server accepts wrong syntax and then fails in different ways
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--echo #
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CREATE TABLE t1 (i INT);
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--echo # bug #17426017
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--error ER_PARSE_ERROR
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SELECT (SELECT EXISTS(SELECT * LIMIT 1 ORDER BY VALUES (c00)));
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--echo # bug#17473479
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CREATE TABLE a(a int);
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CREATE TABLE b(a int);
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--error ER_PARSE_ERROR
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DELETE FROM b ORDER BY(SELECT 1 FROM a ORDER BY a ORDER BY a);
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DROP TABLE a, b;
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--echo # bug #17727401
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--error ER_PARSE_ERROR
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SELECT '' IN (SELECT '1' c FROM t1 ORDER BY '' ORDER BY '') FROM t1;
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--echo # regression & coverage tests
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--echo # uniform syntax for FROM DUAL clause:
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SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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FOR UPDATE;
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--error ER_ORDER_WITH_PROC
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SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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PROCEDURE ANALYSE() FOR UPDATE;
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SELECT 1 FROM
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(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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FOR UPDATE) a;
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--error ER_WRONG_USAGE
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SELECT 1 FROM
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(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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PROCEDURE ANALYSE() FOR UPDATE) a;
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SELECT 1 FROM t1
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WHERE EXISTS(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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FOR UPDATE);
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--error ER_WRONG_USAGE
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SELECT 1 FROM t1
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WHERE EXISTS(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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PROCEDURE ANALYSE() FOR UPDATE);
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SELECT 1 FROM t1
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UNION
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SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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FOR UPDATE;
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--error ER_WRONG_USAGE
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SELECT 1 FROM t1
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UNION
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SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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PROCEDURE ANALYSE() FOR UPDATE;
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--error ER_WRONG_USAGE
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SELECT 1 FROM DUAL PROCEDURE ANALYSE()
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UNION
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SELECT 1 FROM t1;
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(SELECT 1 FROM t1)
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UNION
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(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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FOR UPDATE);
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--error ER_WRONG_USAGE
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(SELECT 1 FROM t1)
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UNION
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(SELECT 1 FROM DUAL WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1
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PROCEDURE ANALYSE() FOR UPDATE);
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--echo # "FOR UPDATE" tests
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SELECT 1 FROM t1 UNION SELECT 1 FROM t1 ORDER BY 1 LIMIT 1;
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SELECT 1 FROM t1 FOR UPDATE UNION SELECT 1 FROM t1 ORDER BY 1 LIMIT 1;
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SELECT 1 FROM t1 UNION SELECT 1 FROM t1 ORDER BY 1 LIMIT 1 FOR UPDATE;
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--echo # "INTO" clause tests
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SELECT 1 FROM t1 INTO @var17727401;
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SELECT 1 FROM DUAL INTO @var17727401;
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SELECT 1 INTO @var17727401;
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SELECT 1 INTO @var17727401 FROM t1;
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SELECT 1 INTO @var17727401 FROM DUAL;
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--error ER_WRONG_USAGE
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SELECT 1 INTO @var17727401_1 FROM t1 INTO @var17727401_2;
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--error ER_WRONG_USAGE
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SELECT 1 INTO @var17727401_1 FROM DUAL
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INTO @var17727401_2;
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SELECT 1 INTO @var17727401 FROM t1 WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1 LIMIT 1;
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SELECT 1 FROM t1 WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1 LIMIT 1 INTO @var17727401;
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--error ER_PARSE_ERROR
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SELECT 1 FROM t1 WHERE 1 INTO @var17727401 GROUP BY 1 HAVING 1 ORDER BY 1 LIMIT 1;
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--error ER_WRONG_USAGE
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SELECT 1 INTO @var17727401_1
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FROM t1 WHERE 1 GROUP BY 1 HAVING 1 ORDER BY 1 LIMIT 1
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INTO @var17727401_2;
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--error ER_PARSE_ERROR
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SELECT (SELECT 1 FROM t1 INTO @var17727401);
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--error ER_PARSE_ERROR
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SELECT 1 FROM (SELECT 1 FROM t1 INTO @var17727401) a;
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--error ER_PARSE_ERROR
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SELECT EXISTS(SELECT 1 FROM t1 INTO @var17727401);
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--error ER_WRONG_USAGE
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SELECT 1 FROM t1 INTO @var17727401 UNION SELECT 1 FROM t1 INTO t1;
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--error ER_WRONG_USAGE
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(SELECT 1 FROM t1 INTO @var17727401) UNION (SELECT 1 FROM t1 INTO t1);
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SELECT 1 FROM t1 UNION SELECT 1 FROM t1 INTO @var17727401;
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--error ER_WRONG_USAGE
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SELECT 1 INTO @var17727401 FROM t1 PROCEDURE ANALYSE();
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--error ER_WRONG_USAGE
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SELECT 1 FROM t1 PROCEDURE ANALYSE() INTO @var17727401;
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--echo # ORDER and LIMIT clause combinations
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# Limited support for (SELECT ...) ORDER/LIMIT:
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(SELECT 1 FROM t1 ORDER BY 1) ORDER BY 1;
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(SELECT 1 FROM t1 LIMIT 1) LIMIT 1;
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--error ER_PARSE_ERROR
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((SELECT 1 FROM t1 ORDER BY 1) ORDER BY 1) ORDER BY 1;
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--error ER_PARSE_ERROR
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((SELECT 1 FROM t1 LIMIT 1) LIMIT 1) LIMIT 1;
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(SELECT 1 FROM t1 ORDER BY 1) LIMIT 1;
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(SELECT 1 FROM t1 LIMIT 1) ORDER BY 1;
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--error ER_PARSE_ERROR
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((SELECT 1 FROM t1 ORDER BY 1) LIMIT 1) ORDER BY 1);
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--error ER_PARSE_ERROR
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((SELECT 1 FROM t1 LIMIT 1) ORDER BY 1) LIMIT 1);
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# ORDER/LIMIT and UNION:
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let $q=SELECT 1 FROM t1 UNION SELECT 1 FROM t1 ORDER BY 1;
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eval $q;
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eval SELECT ($q);
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 UNION SELECT 1 FROM t1 LIMIT 1;
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eval $q;
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eval SELECT ($q);
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 UNION SELECT 1 FROM t1 ORDER BY 1 LIMIT 1;
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eval $q;
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eval SELECT ($q);
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 UNION SELECT 1 FROM t1 LIMIT 1 ORDER BY 1;
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--error ER_PARSE_ERROR
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eval $q;
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--error ER_PARSE_ERROR
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eval SELECT ($q);
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--error ER_PARSE_ERROR
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 ORDER BY 1 UNION SELECT 1 FROM t1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 LIMIT 1 UNION SELECT 1 FROM t1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 ORDER BY 1 LIMIT 1 UNION SELECT 1 FROM t1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 LIMIT 1 ORDER BY 1 UNION SELECT 1 FROM t1;
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--error ER_PARSE_ERROR
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eval $q;
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--error ER_PARSE_ERROR
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 ORDER BY 1 UNION SELECT 1 FROM t1 ORDER BY 1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 LIMIT 1 UNION SELECT 1 FROM t1 LIMIT 1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 LIMIT 1 UNION SELECT 1 FROM t1 ORDER BY 1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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let $q=SELECT 1 FROM t1 ORDER BY 1 UNION SELECT 1 FROM t1 LIMIT 1;
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--error ER_WRONG_USAGE
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eval $q;
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--error ER_WRONG_USAGE
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eval SELECT ($q);
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--error ER_WRONG_USAGE
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eval SELECT 1 FROM ($q) a;
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DROP TABLE t1;
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--echo #
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--echo # MDEV-8380: Subquery parse error
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--echo #
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CREATE TABLE t1 ( a INT);
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INSERT INTO t1 VALUES ( 2 );
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SELECT *
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FROM ( (SELECT a FROM t1 ORDER BY a) UNION (SELECT 1 as b ORDER BY b ) ) AS a1
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WHERE a1.a = 1 OR a1.a = 2;
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DROP TABLE t1;
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