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fixed server crash on moving query block with pointers to same table in it (BUG#988)

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removed server options


BitKeeper/deleted/.del-query_cache-master.opt~c4daeaa5e40881:
  Delete: mysql-test/t/query_cache-master.opt
mysql-test/r/query_cache.result:
  test for BUG#988
mysql-test/t/query_cache.test:
  test for BUG#988
  removed server options
sql/sql_cache.cc:
  fixed moving query block with pointers to same table in it
This commit is contained in:
unknown
2003-09-15 15:16:13 +03:00
parent cdbc2fe43a
commit c35f246bd6
4 changed files with 120 additions and 5 deletions
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43
mysql-test/r/query_cache.result
View File

@ -1,8 +1,9 @@
set GLOBAL query_cache_size=1355776;
flush query cache;
flush query cache;
reset query cache;
flush status;
drop table if exists t1,t2,t3;
drop table if exists t1,t2,t3,t4,t11,t21;
drop database if exists mysqltest;
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
@ -640,3 +641,43 @@ Variable_name Value
Qcache_queries_in_cache 2
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
flush query cache;
reset query cache;
flush status;
set GLOBAL query_cache_size=1048576;
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
create table t2 (a text not null);
create table t3 (a text not null);
insert into t3 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
drop table t2;
create table t2 (a int not null);
insert into t2 values (1),(2),(3);
create table t4 (a int not null);
insert into t4 values (1),(2),(3);
select * from t4;
select * from t2;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
delete from t2 where a=1;
flush query cache;
select * from t3;
delete from t4 where a=1;
flush query cache;
drop table t1,t2,t3,t4;
set GLOBAL query_cache_size=0;

1
mysql-test/t/query_cache-master.opt
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@ -1 +0,0 @@
--set-variable=query_cache_size=1355776

55
mysql-test/t/query_cache.test
View File

@ -3,6 +3,7 @@
#
# Tests with query cache
#
set GLOBAL query_cache_size=1355776;
# Reset query cache variables.
@ -10,7 +11,7 @@ flush query cache; # This crashed in some versions
flush query cache; # This crashed in some versions
reset query cache;
flush status;
drop table if exists t1,t2,t3;
drop table if exists t1,t2,t3,t4,t11,t21;
drop database if exists mysqltest;
#
@ -450,3 +451,55 @@ select * from t1;
show status like "Qcache_queries_in_cache";
SET OPTION SQL_SELECT_LIMIT=DEFAULT;
drop table t1;
#
# query cache crash on using same table twice in one query test
#
flush query cache;
reset query cache;
flush status;
set GLOBAL query_cache_size=1048576;
create table t1 (a int not null);
insert into t1 values (1),(2),(3);
create table t2 (a text not null);
create table t3 (a text not null);
insert into t3 values("1111111111111111111111111111111111111111111111111111");
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
insert into t2 select * from t3;
insert into t3 select * from t2;
drop table t2;
create table t2 (a int not null);
insert into t2 values (1),(2),(3);
create table t4 (a int not null);
insert into t4 values (1),(2),(3);
disable_result_log;
select * from t4;
select * from t2;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
select * from t2;
select * from t4;
select * from t1 as tt, t1 as ttt where tt.a=1 and ttt.a=2;
delete from t2 where a=1;
flush query cache;
select * from t3;
enable_result_log;
delete from t4 where a=1;
flush query cache;
drop table t1,t2,t3,t4;
set GLOBAL query_cache_size=0;