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null.test, null.result:

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Added test case for bug #4256.
join_outer.result:
  Fixed bug #4256.
item_cmpfunc.h:
  Fixed inconsistency of values of used_tables_cache and
  const_item_cache for Item_func_isnull objects.
  This inconsistency caused bug #4256.


sql/item_cmpfunc.h:
  Fixed inconsistency of values of used_tables_cache and
  const_item_cache for Item_func_isnull objects.
  This inconsistency caused bug #4256.
mysql-test/r/join_outer.result:
  Fixed bug #4256.
mysql-test/r/null.result:
  Added test case for bug #4256.
mysql-test/t/null.test:
  Added test case for bug #4256.
This commit is contained in:
unknown
2004-08-20 23:48:30 -07:00
parent 4f0e2da316
commit c1fd20bb5e
4 changed files with 44 additions and 1 deletions
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mysql-test/r/join_outer.result
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@ -91,7 +91,7 @@ grp a c id a c d
NULL NULL NULL NULL NULL NULL
explain select t1.*,t2.* from t1,t2 where t1.a=t2.a and isnull(t2.a)=1;
Comment
Impossible WHERE noticed after reading const tables
Impossible WHERE
explain select t1.*,t2.* from t1 left join t2 on t1.a=t2.a where isnull(t2.a)=1;
table type possible_keys key key_len ref rows Extra
t1 ALL NULL NULL NULL NULL 7