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-- source include/have_query_cache.inc --echo # --echo # MDEV-4520: Assertion `0' fails in Query_cache::end_of_result on --echo # concurrent drop event and event execution --echo # set @save_query_cache_size=@@query_cache_size; set GLOBAL query_cache_size=1355776; create user mysqltest1@localhost; grant SELECT on test.* to mysqltest1@localhost; create table t1 (a int); connect (con1,localhost,mysqltest1,,); connection con1; --echo # This explain put here to be sure that init connection query --echo # has 'Impossible WHERE'. explain extended select * from test.t1 where 0; connection default; disconnect con1; revoke all privileges, grant option from mysqltest1@localhost; drop user mysqltest1@localhost; drop table t1; set GLOBAL query_cache_size=@save_query_cache_size;