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sql/item_cmpfunc.h:
  Auto merged
mysql-test/r/join_outer.result:
  SCCS merged
mysql-test/t/join_outer.test:
  SCCS merged
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2005-03-11 02:23:16 +03:00
parent dd843ee4b5 7c90fa7b2c
commit ff2fcba35b
3 changed files with 34 additions and 0 deletions
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20
mysql-test/r/join_outer.result
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@ -683,6 +683,26 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 2
drop table t1, t2, t3;
create table t1 (
a int(11),
b char(10),
key (a)
);
insert into t1 (a) values (1),(2),(3),(4);
create table t2 (a int);
select * from t1 left join t2 on t1.a=t2.a where not (t2.a <=> t1.a);
a b a
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a);
a b a
1 NULL NULL
2 NULL NULL
3 NULL NULL
4 NULL NULL
drop table t1,t2;
create table t1 (
match_id tinyint(3) unsigned not null auto_increment,
home tinyint(3) unsigned default '0',
unique key match_id (match_id),

13
mysql-test/t/join_outer.test
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@ -457,6 +457,19 @@ explain select * from t1 left join t2 on b1 = a1 left join t3 on c1 = a1 an
drop table t1, t2, t3;
# Test for BUG#8711 '<=>' was considered to be a NULL-rejecting predicate.
create table t1 (
a int(11),
b char(10),
key (a)
);
insert into t1 (a) values (1),(2),(3),(4);
create table t2 (a int);
select * from t1 left join t2 on t1.a=t2.a where not (t2.a <=> t1.a);
select * from t1 left join t2 on t1.a=t2.a having not (t2.a <=> t1.a);
drop table t1,t2;
# Test for BUG#5088
create table t1 (

1
sql/item_cmpfunc.h
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@ -284,6 +284,7 @@ public:
Item_func_equal(Item *a,Item *b) :Item_bool_rowready_func2(a,b) {};
longlong val_int();
void fix_length_and_dec();
table_map not_null_tables() const { return 0; }
enum Functype functype() const { return EQUAL_FUNC; }
enum Functype rev_functype() const { return EQUAL_FUNC; }
cond_result eq_cmp_result() const { return COND_TRUE; }