benchmark.sql

-- use wp_sample;
-- select * from wp_posts group by post_date order by post_name;

DELIMITER $$
DROP PROCEDURE IF EXISTS wp_sample.vx_multiple_select $$

CREATE PROCEDURE wp_sample.vx_multiple_select() 
    BEGIN
        DECLARE l INT DEFAULT 0;
        declare tmp INT default 0;
		declare startTime datetime;
        declare endTime datetime;
        SET startTime = (Select current_timestamp);
        
        WHILE (l < 10000) DO
			select sum(id) into @tmp from wp_posts;
			 -- set @vnull := (select id INTO vnull from wp_posts where id = 1); -- order by post_date;
			-- set tmp = (select * from wp_posts group by post_date order by post_date);

			SET l = l + 1;
        END WHILE;
        
        SET endTime = (Select current_timestamp);
	   select TIMESTAMPDIFF(second, startTime, endTime);
    END $$

DELIMITER ;

CALL wp_sample.vx_multiple_select();