diff options
Diffstat (limited to 'mysql-test/r/query_cache_debug.result')
| -rw-r--r-- | mysql-test/r/query_cache_debug.result | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/mysql-test/r/query_cache_debug.result b/mysql-test/r/query_cache_debug.result index c90165368e3..b03a71d3fec 100644 --- a/mysql-test/r/query_cache_debug.result +++ b/mysql-test/r/query_cache_debug.result @@ -22,3 +22,52 @@ Qcache_queries_in_cache 0 set global query_cache_size= 0; use test; drop table t1; +SET @old_concurrent_insert= @@GLOBAL.concurrent_insert; +SET @old_query_cache_size= @@GLOBAL.query_cache_size; +DROP TABLE IF EXISTS t1, t2; +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; +# Switch to connection con1 +SET SESSION debug='+d,wait_after_query_cache_invalidate'; +# Send concurrent insert, will wait in the query cache table invalidate +INSERT INTO t1 VALUES (4); +# Switch to connection default +# Wait for concurrent insert to reach the debug point +# Switch to connection con2 +# Send SELECT that shouldn't be cached +SELECT * FROM t1; +a +1 +2 +3 +# Switch to connection default +# 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; +# Switch to connection con1 +# Gather insert result +SHOW STATUS LIKE "Qcache_queries_in_cache"; +Variable_name Value +Qcache_queries_in_cache 0 +# Test that it's cacheable +SELECT * FROM t1; +a +1 +2 +3 +4 +SHOW STATUS LIKE "Qcache_queries_in_cache"; +Variable_name Value +Qcache_queries_in_cache 1 +# Disconnect +# 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; |