Alvaro Herrera <[email protected]> writes:
> FWIW it has been said that whoever is concerned about pg_attribute bloat
> should be first looking at getting rid of the redundant entries for
> system columns, for each and every table.
That's been overtaken by events, unfortunately: we now need those
entries to carry per-column permissions on system columns. So they're
no longer merely overhead.
Possibly we could hack things so that only system columns with
non-default permissions are actually stored, but that feels like
a kluge.
regards, tom lane
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