[HACKERS] Putting OIDs etc back into pg_dump?

[Richard Huxton]

There was a recent post on -performance where someone had run 
pg_resetxlog and nuked their transaction counter. Whenever someone has 
filesystem-level problems like this they need to know:
 - "current" transaction ID
 - OIDs of system objects

Of course, OIDs have been removed from a standard pg_dump so different 
installations can diff their schemas (and a good thing too).

So - should this information be:
 1. Logged nightly via standard logging procedures.
 2. Stored in a format=custom dump but not for textual schemas.
 3. Stored in a different file, that is updated on occasion
 4. Not stored at all, it's pointless.
 5. Not stored at all, PITR means this is academic now.
--
  Richard Huxton
  Archonet Ltd
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