# Tests for PERFORMANCE_SCHEMA --source include/not_embedded.inc --source include/have_perfschema.inc --disable_result_log select * from performance_schema.hosts limit 1; select * from performance_schema.hosts where host='FOO'; --enable_result_log --error ER_TABLEACCESS_DENIED_ERROR insert into performance_schema.hosts set host='FOO', current_connections=1, total_connections=2; --error ER_TABLEACCESS_DENIED_ERROR update performance_schema.hosts set current_connections=12; --error ER_TABLEACCESS_DENIED_ERROR update performance_schema.hosts set current_connections=12 where host like "FOO"; --error ER_TABLEACCESS_DENIED_ERROR delete from performance_schema.hosts where total_connections=1; --error ER_TABLEACCESS_DENIED_ERROR delete from performance_schema.hosts; -- error ER_TABLEACCESS_DENIED_ERROR LOCK TABLES performance_schema.hosts READ; UNLOCK TABLES; -- error ER_TABLEACCESS_DENIED_ERROR LOCK TABLES performance_schema.hosts WRITE; UNLOCK TABLES; --echo # --echo # MDEV-25325 column_comment for performance_schema tables --echo # select column_name, column_comment from information_schema.columns where table_schema='performance_schema' and table_name='hosts';