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Is it possible to add an Index Column without breaking Query Folding?
My data source is SAP HANA.
Solved! Go to Solution.
Hi @justinh ,
Not according to this:
Hi @justinh ,
Not according to this:
It's wierd that this information was removed like his page on https://learn.microsoft.com/en-us/power-query/query-folding-basics :
Theoretically, couldn't Microsoft translate adding an index into something that does fold into a native query? E.g. something like this pattern:
SELECT
[...]
ROW_NUMBER(ORDER BY [...]) AS index
FROM [...]
While it's not currently implemented this way, is there anything fundamentally preventing indexing from being folded into a native query?
This would be very helpful to add surrogate integer keys without processing every row within Power Query.
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