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** Setup **
** Connecting con0 using root **
** Connecting con1 using root **
** Connection con0 **
SET @start_global_value = @@GLOBAL.query_cache_wlock_invalidate;
SET @start_session_value = @@SESSION.query_cache_wlock_invalidate;
SET @old_cache_size = @@GLOBAL.query_cache_size;
SET @old_cache_type = @@GLOBAL.query_cache_type;
CREATE TABLE t1(id int, value varchar(10));
INSERT INTO t1 VALUES(1, 'val1');
INSERT INTO t1 VALUES(2, 'val2');
INSERT INTO t1 VALUES(3, 'val3');
SET GLOBAL query_cache_size = 131072;
FLUSHING CACHE
SET GLOBAL query_cache_size = 0;
SET GLOBAL query_cache_size = 131072;
SET GLOBAL query_cache_type = ON;
Testing for value ON
** Connection con0 **
SET SESSION query_cache_wlock_invalidate = ON;
** Connection con1 **
SET SESSION query_cache_wlock_invalidate = ON;
'#----------------------------FN_DYNVARS_136_01--------------#'
Testing for cache invalidation
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 1
1 Expected
LOCK TABLE t1 WRITE;
UNLOCK TABLES;
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 0
0 Expected
'#----------------------------FN_DYNVARS_136_02-----------------------#'
SELECT * FROM t1;
SHOW STATUS LIKE 'Qcache_queries_in_cache';
** Connection con1 **
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
** Connection con0 **
LOCK TABLE t1 WRITE;
** Connection con1 **
** Asynchronous Execution **
SELECT * FROM t1;
** Connection con0 **
wait until table is locked
UNLOCK TABLES;
** Connection con1 **
** Asynchronous Result **
id value
1 val1
2 val2
3 val3
Testing for value OFF
** Connection con0 **
SET SESSION query_cache_wlock_invalidate = OFF;
** Connection con1 **
SET SESSION query_cache_wlock_invalidate = OFF;
'#----------------------------FN_DYNVARS_136_03------------------#'
Testing for cache invalidation
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 1
1 Expected
LOCK TABLE t1 WRITE;
UNLOCK TABLES;
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 0
0 Expected
'#----------------------------FN_DYNVARS_136_04---------------------#'
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
SHOW STATUS LIKE 'Qcache_queries_in_cache';
Variable_name Value
Qcache_queries_in_cache 1
1 Expected
** Connection con1 **
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
** Connection con0 **
LOCK TABLE t1 WRITE;
** Connection con1 **
** Should not be blocked **
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
SELECT * FROM t1;
id value
1 val1
2 val2
3 val3
** Connection con0 **
UNLOCK TABLES;
** Connection con1 **
'#----------------------------FN_DYNVARS_136_05------------------------#'
SET GLOBAL query_cache_wlock_invalidate = OFF;
** Connecting con_int1 using root **
** Connection con_int1 **
SELECT @@SESSION.query_cache_wlock_invalidate;
@@SESSION.query_cache_wlock_invalidate
0
Expected Value : 0 / OFF;
SET SESSION query_cache_wlock_invalidate = ON;
** Connecting con_int2 using root **
** Connection con_int2 **
SELECT @@SESSION.query_cache_wlock_invalidate;
@@SESSION.query_cache_wlock_invalidate
0
Expected Value : 0 / OFF;
SET SESSION query_cache_wlock_invalidate = OFF;
** Connection con_int1 **
SELECT @@SESSION.query_cache_wlock_invalidate;
@@SESSION.query_cache_wlock_invalidate
1
Expected Value : 1 / ON;
** Connection con_int2 **
SELECT @@SESSION.query_cache_wlock_invalidate;
@@SESSION.query_cache_wlock_invalidate
0
Expected Value : 0 / OFF;
SELECT @@GLOBAL.query_cache_wlock_invalidate;
@@GLOBAL.query_cache_wlock_invalidate
0
Expected Value : 0 / OFF;
** Connection default **
Disconnecting Connections con_int1, con_int2
CLEANUP
** Connection con0 **
SET @@GLOBAL.query_cache_wlock_invalidate = @start_global_value;
SET @@SESSION.query_cache_wlock_invalidate = @start_session_value ;
SET @@GLOBAL.query_cache_size = @old_cache_size;
SET @@GLOBAL.query_cache_type = @old_cache_type;
** Connection default **
Disconnecting Connections con0, con1
DROP TABLE t1;
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