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是否可以使用条件选择?我想实现类似的东西:
if (some_condition) with .... select .... from **cube1** else with ... select ... from **cube2**
列数可能因我们使用的多维数据集而异。是否有可能使这段代码工作?如果是的话,如何用更少的血来做到这一点(我的意思是用最少的立方体修正)?