id,merchant_id,statistic_date,view_num INSERT INTO com_convenient_view_statistics (merchant_id, statistic_date) VALUES (#{merchantId}, NOW()) UPDATE com_convenient_view_statistics SET view_num = view_num + 1 WHERE merchant_id = #{merchantId} AND statistic_date = #{nowDate} SELECT IF(SUM(view_num) IS NULL,0,SUM(view_num)) FROM com_convenient_view_statistics WHERE merchant_id = #{merchantId} AND (statistic_date LIKE CONCAT(#{moth}, '%') OR statistic_date IS NULL) SELECT IF(SUM(view_num) IS NULL,0,SUM(view_num)) FROM com_convenient_view_statistics WHERE merchant_id = #{merchantId} AND (statistic_date = #{day} OR statistic_date IS NULL) SELECT merchant_id, SUM(view_num) AS totalViewNum FROM com_convenient_view_statistics GROUP BY merchant_id SELECT IF(SUM(view_num) IS NULL,0,SUM(view_num)) FROM com_convenient_view_statistics WHERE merchant_id = #{merchantId}