Will adding the logical attribute number break all of the external tools? pg_dump, etc are all dependent on attnum now?
Would it be possible to keep the meaning of attnum the same externally and add another column internally to represent the physical number?
Interesting idea. It would require a lot of code renaming in the backend, but it could be done.
Given that the interfaces comprise pgadmin, phppgadmin, jdbc and odbc and all the main developers for those lists read all these posts, I think the massive amount of effort to maintain the external interface isn't worth it.
I can vouch that it would take me exactly 2 minutes to add support for attlognums in phpPgAdmin.
Chris
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