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MDEV-8189 field<>const and const<>field are not symmetric

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This commit is contained in:
Alexander Barkov
2015-06-30 12:56:31 +04:00
parent 1b2f9126b8
commit 768620ee5c
14 changed files with 271 additions and 5 deletions
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10
mysql-test/include/icp_tests.inc
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@ -639,6 +639,16 @@ SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t2.pk <> t1.d1 AND t2.pk = 4;
# MDEV-8189 field<>const and const<>field are not symmetric
# Do the same EXPLAIN and SELECT
# with "t1.d1 <> t2.pk" instead of "t2.pk <> t1.d1"
EXPLAIN
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t1.d1 <> t2.pk AND t2.pk = 4;
SELECT t1.d1, t2.pk, t2.i1 FROM t1 STRAIGHT_JOIN t2 ON t2.i1
WHERE t1.d1 <> t2.pk AND t2.pk = 4;
DROP TABLE t1, t2;
--echo #