Re: Display Pg buffer cache (WIP)

Mark Kirkwood wrote:
> +         tupledesc = CreateTemplateTupleDesc(NUM_BUFFERCACHE_PAGES_ELEM, false);
> +         TupleDescInitEntry(tupledesc, (AttrNumber) 1, "bufferid",
> +                                     INT4OID, -1, 0);
> +         TupleDescInitEntry(tupledesc, (AttrNumber) 2, "relfilenode",
> +                                     OIDOID, -1, 0);
> +         TupleDescInitEntry(tupledesc, (AttrNumber) 3, "reltablespace",
> +                                     OIDOID, -1, 0);
> +         TupleDescInitEntry(tupledesc, (AttrNumber) 4, "reldatabase",
> +                                     OIDOID, -1, 0);
> +         TupleDescInitEntry(tupledesc, (AttrNumber) 5, "relblockbumber",
> +                                     NUMERICOID, -1, 0);

I think this should be an int4, not numeric.

Otherwise, looks good to me. Barring any objections, I'll apply this
with a few stylistic tweaks and the numeric -> int4 change tomorrow.

-Neil