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MDEV-28080 Crash when using HAVING with NOT EXIST predicate in an equality

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MDEV-28082 Crash when using HAVING with IS NULL predicate in an equality

These bugs have been fixed by the patch for MDEV-26402.
Only test cases are added.
This commit is contained in:
Igor Babaev
2022-04-29 10:37:01 -07:00
parent 0beed9b5e9
commit c8228369f6
2 changed files with 64 additions and 0 deletions
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33
mysql-test/main/having_cond_pushdown.test
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@ -1450,3 +1450,36 @@ SELECT * FROM t1 GROUP BY i HAVING i IN ( i IS NULL);
SELECT * FROM t1 GROUP BY i HAVING i IN ( i IS NULL AND 'x' = 0);
SELECT * FROM t1 GROUP BY i HAVING i='1' IN ( i IS NULL AND 'x' = 0);
DROP TABLE t1;
--echo #
--echo # MDEV-28080: HAVING with NOT EXIST predicate in an equality
--echo # (fixed by the patch for MDEV-26402)
--echo #
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int);
INSERT INTO t1 VALUES (0), (1), (1), (0);
INSERT INTO t2 VALUES (3), (7);
SELECT a FROM t1
GROUP BY a HAVING a= (NOT EXISTS (SELECT b FROM t2 WHERE b = 1));
SELECT a FROM t1
GROUP BY a HAVING a= (NOT EXISTS (SELECT b FROM t2 WHERE b = 7));
DROP TABLE t1, t2;
--echo #
--echo # MDEV-28082: HAVING with IS NULL predicate in an equality
--echo # (fixed by the patch for MDEV-26402)
--echo #
CREATE TABLE t1 (a int, b int NOT NULL) ;
INSERT INTO t1 VALUES (1,10), (0,11), (0,11), (1,10);
SELECT a,b FROM t1 GROUP BY a HAVING a = (b IS NULL);
SELECT a,b FROM t1 GROUP BY a,b HAVING a = (b IS NULL);
DROP TABLE t1;
--echo End of 10.4 tests