From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Unused pg_class columns |
Date: | 2001-05-30 14:52:57 |
Message-ID: | 200105301452.f4UEqvG13300@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > I have marked these columns as unused in pg_class.h.
>
> Keep your hands off 'em!
>
> There are other purposes for system catalogs besides the internal
> convenience of the backend, you know. "Unused at the moment by the
> backend" does not mean "removable" --- you have no way to know what
> user code you may break by removing such info.
I didn't remove them. I marked them as unused, like other columns
already marked as unused in the file.
For example:
int2 relrefs; /* # of references to this rel (not used) */
was already marked as "(not used)".
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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