1-- source include/have_query_cache.inc 2 3--echo # 4--echo # MDEV-4520: Assertion `0' fails in Query_cache::end_of_result on 5--echo # concurrent drop event and event execution 6--echo # 7set @save_query_cache_size=@@query_cache_size; 8set GLOBAL query_cache_size=1355776; 9 10create user mysqltest1@localhost; 11grant SELECT on test.* to mysqltest1@localhost; 12 13create table t1 (a int); 14 15connect (con1,localhost,mysqltest1,,); 16connection con1; 17--echo # This explain put here to be sure that init connection query 18--echo # has 'Impossible WHERE'. 19explain extended select * from test.t1 where 0; 20connection default; 21disconnect con1; 22revoke all privileges, grant option from mysqltest1@localhost; 23drop user mysqltest1@localhost; 24 25drop table t1; 26 27set GLOBAL query_cache_size=@save_query_cache_size; 28