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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0

Browse source 
into moonbone.local:/work/13424-bug-5.0-mysql
This commit is contained in:
evgen@moonbone.local 2005-09-26 19:45:05 +04:00
commit 0061782cd0
3 changed files with 23 additions and 1 deletions
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9
mysql-test/r/view_query_cache.result
View file

@ -123,4 +123,13 @@ select * from v3;
a b
drop view v3;
drop table t1, t2;
create table t1(f1 int);
insert into t1 values(1),(2),(3);
create view v1 as select * from t1;
set query_cache_wlock_invalidate=1;
lock tables v1 read /*!32311 local */;
unlock tables;
set query_cache_wlock_invalidate=default;
drop view v1;
drop table t1;
set GLOBAL query_cache_size=default;

12
mysql-test/t/view_query_cache.test
View file

@ -84,4 +84,16 @@ select * from v3;
drop view v3;
drop table t1, t2;
#
# Bug #13424 locking view with query cache enabled crashes server
#
create table t1(f1 int);
insert into t1 values(1),(2),(3);
create view v1 as select * from t1;
set query_cache_wlock_invalidate=1;
lock tables v1 read /*!32311 local */;
unlock tables;
set query_cache_wlock_invalidate=default;
drop view v1;
drop table t1;
set GLOBAL query_cache_size=default;

3
sql/sql_cache.cc
View file

@ -1295,7 +1295,8 @@ void Query_cache::invalidate_locked_for_write(TABLE_LIST *tables_used)
DUMP(this);
for (; tables_used; tables_used= tables_used->next_local)
{
if (tables_used->lock_type & (TL_WRITE_LOW_PRIORITY | TL_WRITE))
if (tables_used->lock_type & (TL_WRITE_LOW_PRIORITY | TL_WRITE) &&
tables_used->table)
invalidate_table(tables_used->table);
}
}