动态,适用于列不确定情况,
第一种:
SET @EE='';
SELECT GROUP_CONCAT('SUM(IF(C2=\'',C2,'\'',',C3,0)) AS ',C2)INTO @EE FROM (SELECT DISTINCT C2 FROM TX) A;
SET @QQ=CONCAT('SELECT ifnull(c1,\'total\') as ''合计'',',@EE,' ,SUM(C3) AS TOTAL FROM TX GROUP BY C1 WITH ROLLUP');
PREPARE stmt2 FROM @QQ;
EXECUTE stmt2;
DEALLOCATE PREPARE stmt2;
第二种:
SET @EE='';
SELECT @EE:=CONCAT(@EE,'SUM(IF(C2=\'',C2,'\'',',C3,0)) AS ',C2,',') FROM (SELECT DISTINCT C2 FROM TX) A;
SET @QQ=CONCAT('SELECT ifnull(c1,\'total\'),',LEFT(@EE,LENGTH(@EE)-1),' ,SUM(C3) AS TOTAL FROM TX GROUP BY C1 WITH ROLLUP');