install plugin test_sql_service soname 'test_sql_service'; show status like 'test_sql_service_passed'; Variable_name Value Test_sql_service_passed 1 set global test_sql_service_run_test= 1; show status like 'test_sql_service_passed'; Variable_name Value Test_sql_service_passed 1 set global test_sql_service_execute_sql_local= 'create table test.t1(id int)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 0 rows. set global test_sql_service_execute_sql_local= 'insert into test.t1 values (1), (2)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 2 rows. set global test_sql_service_execute_sql_local= 'select * from test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 2 rows. set global test_sql_service_execute_sql_local= 'drop table test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 0 rows. set global test_sql_service_execute_sql_local= 'drop table test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Error 1051 returned. Unknown table 'test.t1' set global test_sql_service_execute_sql_global= 'create table test.t1(id int)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 0 rows. set global test_sql_service_execute_sql_global= 'insert into test.t1 values (1), (2)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 2 rows. set global test_sql_service_execute_sql_global= 'select * from test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 2 rows. set global test_sql_service_execute_sql_global= 'drop table test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query affected 0 rows. set global test_sql_service_execute_sql_global= 'drop table test.t1'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Error 1051 returned. Unknown table 'test.t1' create table t1 (id int, time timestamp); insert into t1 values (1, NULL), (2, NULL), (3, NULL), (4, NULL), (5, NULL); set global test_sql_service_execute_sql_global= 'select * FROM test.t1 WHERE time < DATE_SUB(NOW(), interval 5 minute)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 0 rows. set global test_sql_service_execute_sql_global= 'select * FROM test.t1 WHERE time <= NOW()'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 5 rows. set global test_sql_service_execute_sql_local= 'select * FROM test.t1 WHERE time < DATE_SUB(NOW(), interval 5 minute)'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 0 rows. set global test_sql_service_execute_sql_local= 'select * FROM test.t1 WHERE time <= NOW()'; show status like 'test_sql_query_result'; Variable_name Value Test_sql_query_result Query returned 5 rows. drop table t1; uninstall plugin test_sql_service; Warnings: Warning 1620 Plugin is busy and will be uninstalled on shutdown