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Type:
Bug
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Status: Open
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Priority:
Major
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Resolution: Unresolved
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Affects Version/s: v2.6.2
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Fix Version/s: None
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Component/s: Query Engine
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Labels:None
```
select dim1, case grouping(dim2) when 1 then 'ALL' else dim2 end, sum(col) as metric1 from table group by grouping sets((dim1, dim2), (dim1));
```
`case grouping(dim2) when 2 then 'All' else dim2 end` can work in version v2.5.2, but invalid in version v2.6.2.
How to query aggregate by grouping sets?