| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/mysql/mysql-test/suite/sys_vars/r/ |
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** Setup ** connect con0,localhost,root,,; connect con1, localhost, 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; SET GLOBAL query_cache_type= ON; SET LOCAL query_cache_type= ON; connection con1; SET LOCAL query_cache_type= ON; connection con0; 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; connect con_int1,localhost,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; connect con_int2,localhost,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; disconnect con_int1; disconnect 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; disconnect con0; disconnect con1; DROP TABLE t1;