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Merge bodhi.(none):/opt/local/work/mysql-5.0-runtime

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into  bodhi.(none):/opt/local/work/mysql-5.1-runtime
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kostja@bodhi.(none)
2007-07-16 23:31:36 +04:00
parent 06d656b808 5466b0df14
commit 88fc7cab26
36 changed files with 1784 additions and 269 deletions
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41
mysql-test/r/query_cache.result
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@@ -1495,6 +1495,46 @@ insert into t1 values ('c');
a
drop table t1;
set GLOBAL query_cache_size= default;
Bug#28249 Query Cache returns wrong result with concurrent insert/ certain lock
set GLOBAL query_cache_type=1;
set GLOBAL query_cache_limit=10000;
set GLOBAL query_cache_min_res_unit=0;
set GLOBAL query_cache_size= 100000;
flush tables;
drop table if exists t1, t2;
create table t1 (a int);
create table t2 (a int);
insert into t1 values (1),(2),(3);
Locking table T2 with a write lock.
lock table t2 write;
Select blocked by write lock.
select *, (select count(*) from t2) from t1;;
Sleeing is ok, because selecting should be done very fast.
Inserting into table T1.
insert into t1 values (4);
Unlocking the tables.
unlock tables;
Collecting result from previously blocked select.
Next select should contain 4 rows, as the insert is long finished.
select *, (select count(*) from t2) from t1;
a (select count(*) from t2)
1 0
2 0
3 0
4 0
reset query cache;
select *, (select count(*) from t2) from t1;
a (select count(*) from t2)
1 0
2 0
3 0
4 0
drop table t1,t2;
set GLOBAL query_cache_type=default;
set GLOBAL query_cache_limit=default;
set GLOBAL query_cache_min_res_unit=default;
set GLOBAL query_cache_size=default;
End of 5.0 tests
drop database if exists db1;
drop database if exists db2;
set GLOBAL query_cache_size=15*1024*1024;
@@ -1543,3 +1583,4 @@ Variable_name Value
Qcache_queries_in_cache 1
drop database db2;
drop database db3;
End of 5.1 tests