SELECT
DATE_FORMAT(visit_date,'%Y-%m-%d') AS days,
COUNT(*) AS counts
FROM wx_visitcount
WHERE
DATE_FORMAT(visit_date,'%Y-%m-%d') <= '2015-04-15'
GROUP BY DAY(visit_date);
SELECT
DATE_FORMAT(visit_date,'%Y-%m-%d') AS days,
COUNT(*) AS counts
FROM wx_visitcount
WHERE
DATE_FORMAT(visit_date,'%Y-%m-%d') <= '2015-04-15'
GROUP BY DAY(visit_date);