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LP bug#994275 fix.

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In 5.3 we substitute constants in ref access values it can't be null so we do not need add NOT NULL for early NULL filtering.
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unknown 2012-05-07 21:14:37 +03:00
commit ea8314fdd5
5 changed files with 61 additions and 0 deletions
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12
mysql-test/r/select_pkeycache.result
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@ -5101,3 +5101,15 @@ Warning 1292 Incorrect datetime value: 'aa'
DROP TABLE t1;
DROP VIEW v1;
SET optimizer_switch=@save_optimizer_switch;
#
# LP bug#994275 Assertion `real->type() == Item::FIELD_ITEM' failed
# in add_not_null_conds(JOIN*) with JOIN, ZEROFILL column, PK
#
CREATE TABLE t1 ( a INT(6) ZEROFILL );
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 ( b INT PRIMARY KEY );
INSERT INTO t2 VALUES (3),(4);
SELECT * FROM t1, t2 WHERE a=3 AND a=b;
a b
drop table t1,t2;
End of 5.3 tests