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auto merge

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This commit is contained in:
Georgi Kodinov
2009-02-20 11:57:33 +02:00
parent 1f6d6fa905 664bb23a30
commit 30bb35bcda
10 changed files with 264 additions and 107 deletions
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1
mysql-test/t/disabled.def
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@ -10,5 +10,4 @@
#
##############################################################################
kill : Bug#37780 2008-12-03 HHunger need some changes to be robust enough for pushbuild.
query_cache_28249 : Bug#41098 Query Cache returns wrong result with concurrent insert
innodb_bug39438 : BUG#42383 2009-01-28 lsoares "This fails in embedded and on windows. Note that this test is not run on windows and on embedded in PB for main trees currently"

68
mysql-test/t/query_cache_debug.test
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@ -44,3 +44,71 @@ set global query_cache_size= 0;
use test;
drop table t1;
#
# Bug#41098: Query Cache returns wrong result with concurrent insert
#
SET @old_concurrent_insert= @@GLOBAL.concurrent_insert;
SET @old_query_cache_size= @@GLOBAL.query_cache_size;
--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings
CREATE TABLE t1 (a INT);
CREATE TABLE t2 (a INT);
INSERT INTO t1 VALUES (1),(2),(3);
SET GLOBAL concurrent_insert= 1;
SET GLOBAL query_cache_size= 1024*512;
SET GLOBAL query_cache_type= ON;
connect(con1,localhost,root,,test,,);
connect(con2,localhost,root,,test,,);
connection con1;
--echo # Switch to connection con1
SET SESSION debug='+d,wait_after_query_cache_invalidate';
--echo # Send concurrent insert, will wait in the query cache table invalidate
--send INSERT INTO t1 VALUES (4)
connection default;
--echo # Switch to connection default
--echo # Wait for concurrent insert to reach the debug point
let $wait_condition=
SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE STATE = "wait_after_query_cache_invalidate" AND
INFO = "INSERT INTO t1 VALUES (4)";
--source include/wait_condition.inc
connection con2;
--echo # Switch to connection con2
--echo # Send SELECT that shouldn't be cached
SELECT * FROM t1;
connection default;
--echo # Switch to connection default
--echo # Notify the concurrent insert to proceed
SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE STATE = 'wait_after_query_cache_invalidate' INTO @thread_id;
KILL QUERY @thread_id;
connection con1;
--echo # Switch to connection con1
--echo # Gather insert result
--reap
SHOW STATUS LIKE "Qcache_queries_in_cache";
--echo # Test that it's cacheable
SELECT * FROM t1;
SHOW STATUS LIKE "Qcache_queries_in_cache";
--echo # Disconnect
disconnect con1;
disconnect con2;
connection default;
--echo # Restore defaults
RESET QUERY CACHE;
DROP TABLE t1,t2;
SET GLOBAL concurrent_insert= DEFAULT;
SET GLOBAL query_cache_size= DEFAULT;
SET GLOBAL query_cache_type= DEFAULT;