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你如何在dremio中设置变量?
在sql中,通常您可以执行以下操作:
SET @ID = (SELECT id FROM table LIMIT 1)
或者
SELECT @ID = (SELECT id FROM table LIMIT 1)
这似乎不适用于 Dremio 查询。有人知道变量在dremio中是如何工作的吗?