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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
commit 768620ee5c
14 changed files with 271 additions and 5 deletions
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21
mysql-test/t/range.test
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@ -1777,3 +1777,24 @@ explain extended select * from t2 where (b > 25 and b < 15) or c < 44;
explain extended select * from t2 where (b > 25 and b < 15) or (a>55 and a<44);
drop table t1,t2;
--echo #
--echo # Start of 10.1 tests
--echo #
--echo #
--echo # MDEV-8189 field<>const and const<>field are not symmetric
--echo #
CREATE TABLE t1 (a INT, b INT, KEY(a));
INSERT INTO t1 (a) VALUES (10),(10),(10),(10),(10),(10),(10),(10),(10),(10),(70);
EXPLAIN SELECT * FROM t1 WHERE a<>10;
EXPLAIN SELECT * FROM t1 WHERE 10<>a;
SELECT * FROM t1 WHERE a<>10;
SELECT * FROM t1 WHERE 10<>a;
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #