SELECT * FROM yzl_column WHERE FatherID= AND (ISNULL(DoDelete) OR DoDelete='' OR DoDelete='No')SELECT * FROM yzl_column WHERE FatherID= AND (ISNULL(DoDelete) OR DoDelete='' OR DoDelete='No')SELECT * FROM yzl_product WHERE ( FatherID=) AND (ISNULL(DoDelete) OR DoDelete='' OR DoDelete='No') ORDER BY CASE WHEN Sort > 0 THEN 0 ELSE 1 END, Sort ASC, AddTime DESC;