Re: t_self as system column - Mailing list pgsql-hackers

From Tom Lane
Subject Re: t_self as system column
Date
Msg-id 19647.1278353287@sss.pgh.pa.us
Whole thread Raw
In response to t_self as system column  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
Responses Re: t_self as system column
List pgsql-hackers
Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Is there a reason we don't have t_self as one of the system columns that
> you can examine from SQL?  I'd propose its addition otherwise.

pg_attribute bloat?  I'm a bit hesitant to add a row per table for
something we've gotten along without for so long, especially something
with as bizarre a definition as "t_self" has got.

At one time I was hoping to get rid of explicit entries in pg_attribute
for system columns, which would negate this concern.  I think we're
stuck with them now, though, because of per-column permissions.
        regards, tom lane


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