Zeugswetter Andreas ADI SD wrote:
And I also see a lot of unhappiness from users of system tables when column numbers all over the system tables would not be logical column positions any more.

Are you arguing against the feature? Or against the suggested design?

I should have thought (without much looking) one possible way to implement it would be to put Oids on pg_attribute for the permanent id, and keep attnum for the (now mutable) logical order, adding a further column for the physical order.



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