CASE...WHEN 进行多重判断
CASE WHEN A IS NOT NULL THEN B WHEN C IS NULL THEN CASE WHEN D IS NOT NULL THEN E ELSE 0 END END contract_amount_total,
posted on 2019-03-12 20:32 辉仔一刀 阅读(1821) 评论(0) 编辑 收藏 举报
