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MDEV-9374 having '2015-01-01 01:00:00.000001' > coalesce(NULL) returns true

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The problem was earlier fixed by the patch for MDEV-9521.
Adding tests only.
This commit is contained in:
Alexander Barkov 2016-06-16 14:57:32 +04:00
commit 0a50e43e9d
2 changed files with 16 additions and 0 deletions
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8
mysql-test/t/type_datetime.test
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@ -610,6 +610,14 @@ EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
DROP TABLE t1,t2;
--echo #
--echo # MDEV-9374 having '2015-01-01 01:00:00.000001' > coalesce(NULL) returns true
--echo #
CREATE TABLE t1 (c1 DATETIME(0));
INSERT INTO t1 VALUES (NULL);
SELECT * FROM t1 HAVING '2015-01-01 01:00:00.000001' > COALESCE(c1);
DROP TABLE t1;
--echo #
--echo # End of 5.5 tests
--echo #