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evgen@moonbone.local
2006-01-13 12:13:50 +03:00
parent 026e3984b2 605f62fce8
commit 8dbedc9ffd
5 changed files with 42 additions and 3 deletions
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2
mysql-test/r/func_group.result
View File

@ -865,6 +865,7 @@ select 1, min(a) from t1m where 1=99;
1 NULL
select 1, min(1) from t1m where a=99;
1 min(1)
1 NULL
select 1, min(1) from t1m where 1=99;
1 min(1)
1 NULL
@ -876,6 +877,7 @@ select 1, max(a) from t1m where 1=99;
1 NULL
select 1, max(1) from t1m where a=99;
1 max(1)
1 NULL
select 1, max(1) from t1m where 1=99;
1 max(1)
1 NULL

13
mysql-test/r/select.result
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@ -3337,6 +3337,19 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 Using index
1 SIMPLE t3 const PRIMARY PRIMARY 8 const,const 1
DROP TABLE t1,t2,t3;
create table t1 (f1 int unique);
create table t2 (f2 int unique);
create table t3 (f3 int unique);
insert into t1 values(1),(2);
insert into t2 values(1),(2);
insert into t3 values(1),(NULL);
select * from t3 where f3 is null;
f3
NULL
select t2.f2 from t1 left join t2 on f1=f2 join t3 on f1=f3 where f1=1;
f2
1
drop table t1,t2,t3;
create table t1(f1 char, f2 char not null);
insert into t1 values(null,'a');
create table t2 (f2 char not null);

14
mysql-test/t/select.test
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@ -2806,6 +2806,20 @@ EXPLAIN SELECT t2.key_a,foo
DROP TABLE t1,t2,t3;
#
# Bug #15633 Evaluation of Item_equal for non-const table caused wrong
# select result
#
create table t1 (f1 int unique);
create table t2 (f2 int unique);
create table t3 (f3 int unique);
insert into t1 values(1),(2);
insert into t2 values(1),(2);
insert into t3 values(1),(NULL);
select * from t3 where f3 is null;
select t2.f2 from t1 left join t2 on f1=f2 join t3 on f1=f3 where f1=1;
drop table t1,t2,t3;
#
# Bug#15268 Unchecked null value caused server crash
#