mysql中event例子
-- Create event ev_test_006 delimiter $$ Create event ev_test_006 on schedule every 35 MINUTE DO Begin declare v_di_game_id int; declare v_di_database varchar(50); declare m_stop_flag int default 0; declare cursor_game cursor for select di_game_id,di_database from t910_database_info; declare continue handler for not found set m_stop_flag=1; open cursor_game; repeat fetch cursor_game into v_di_game_id,v_di_database; if m_stop_flag=0 then -- t_user_remain set @v_sql=concat("delete from t006_today_data where td_game_id=",v_di_game_id); prepare stmt from @v_sql; EXECUTE stmt; deallocate prepare stmt; set @v_sql=concat("insert into t006_today_data(td_game_id,td_server_id,td_platform_id,td_channel_id,td_calc_date,td_user_reg_count,td_user_reg_count_total,td_user_pay_new_count,td_amount,td_amount_total,td_update_time,td_create_time) select ",v_di_game_id,",td_server_id,td_platform_id,td_channel_id,td_calc_date,td_user_reg_count,td_user_reg_count_total,td_user_pay_new_count,td_amount,td_amount_total,td_update_time,date_format(now(),'%Y-%m-%d %H:%i:%s') from ",v_di_database,".t006_today_data where td_calc_date=date_format(now(),'%Y-%m-%d')"); prepare stmt from @v_sql; EXECUTE stmt; deallocate prepare stmt; end if; until m_stop_flag=1 end repeat; close cursor_game; END $$ delimiter ;