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set @XX=‘‘; SELECT @XX := CONCAT( @XX, ID , ‘,‘ ) FROM (SELECT DISTINCT ID FROM TX) A; set @YY = CONCAT(‘SELECT TX.*,‘,LEFT(@XX,LENGTH(@XX)-1),‘ FROM TX ‘); PREPARE stmt2 FROM @YY; EXECUTE stmt2;
很简单的列数据作为行字段输出(但是输出的动态列下的数据是有问题的,按场景修改)
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原文地址:http://my.oschina.net/reesechou/blog/417101