From PG
http://developer.postgresql.org/docs/postgres/diskusage.html:
"(Remember, relpages is only updated by VACUUM and
ANALYZE.)"
--- Litao Wu <litaowu@yahoo.com> wrote:
> Hi,
>
> After a table analyzed a table, the table's relpages
>
> of pg_class gets updated, but not those of
> associated
> indexes, which can be updated by "vacuum analyze".
>
> Is this a feature or a bug?
>
> I have some tables and there are almost only
> inserts. So I do not care about the "dead tuples",
> but do care about the statistics.
>
> Does the above "future/bug" affect the performance?
>
> My PG version is 7.3.2.
>
> Thanks,
>
>
>
>
>
>
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