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Merge mysql.com:/home/jimw/my/mysql-5.0-12689

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into  mysql.com:/home/jimw/my/mysql-5.0-clean
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2005-08-22 10:19:09 -07:00
parent 0b4ec2fb42 05001e7504
commit 0b93c1abe6
4 changed files with 54 additions and 0 deletions
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24
mysql-test/r/func_misc.result
View File

@ -70,3 +70,27 @@ select timediff(b, a) >= '00:00:03' from t1;
timediff(b, a) >= '00:00:03'
1
drop table t1;
set global query_cache_size=1355776;
create table t1 (a int);
insert into t1 values (1),(1),(1);
create table t2 (a datetime default null, b datetime default null);
insert into t2 set a = now();
select a from t1 where sleep(1);
a
update t2 set b = now() where b is null;
insert into t2 set a = now();
select a from t1 where sleep(a);
a
update t2 set b = now() where b is null;
insert into t2 set a = now();
select a from t1 where sleep(1);
a
update t2 set b = now() where b is null;
select timediff(b, a) >= '00:00:03' from t2;
timediff(b, a) >= '00:00:03'
1
1
1
drop table t2;
drop table t1;
set global query_cache_size=default;

23
mysql-test/t/func_misc.test
View File

@ -55,3 +55,26 @@ select sleep(3);
update t1 set b = now();
select timediff(b, a) >= '00:00:03' from t1;
drop table t1;
#
# Bug #12689: SLEEP() gets incorrectly cached/optimized-away
#
set global query_cache_size=1355776;
create table t1 (a int);
insert into t1 values (1),(1),(1);
create table t2 (a datetime default null, b datetime default null);
insert into t2 set a = now();
select a from t1 where sleep(1);
update t2 set b = now() where b is null;
insert into t2 set a = now();
select a from t1 where sleep(a);
update t2 set b = now() where b is null;
insert into t2 set a = now();
select a from t1 where sleep(1);
update t2 set b = now() where b is null;
select timediff(b, a) >= '00:00:03' from t2;
drop table t2;
drop table t1;
set global query_cache_size=default;
# End of 5.0 tests