Hi Sami, Thanks for the review. I agree, rewriting the existing sentence reads much better than appending a separate one.
I've adopted your suggestion in v2, with one addition: a sentence noting that invalid indexes remain on the partition and should be dropped manually if no longer needed. I think this helps make it clear that the user is responsible for cleaning those up. The full paragraph now reads: For each index in the target table, if a valid equivalent index already exists in the partition, it will be attached to the target table's index, as if ALTER INDEX ATTACH PARTITION had been executed; otherwise, a corresponding one will be created. Any invalid indexes on the partition remain unchanged and should be dropped manually if they are no longer needed. v2 patch attached. -- Mohamed Ali
v2-0001-doc-attach-partition-invalid-index-skip.patch
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