可以这样设置,但是会出现多个列名
建议数据集SQL语句处理好
SWITCH($$$,"华北","北方","东北","北方","西北","北方","华南","南方","西南","南方","华东","华东")


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数据集使用下面语句,然后,直接使用区域字段
SELECT *,case when 地区 in ('华北','东北','西北') then '北方' when 地区 in ('华南','西南') then '南方'
else 地区 end 区域 FROM S客户

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