Re: Unused system table columns

Tom Lane wrote:
> Rod Taylor <rbt@zort.ca> writes:
> > For all intent and purpose, pg_index.indisprimary can be added to that
> > list.  Can't make a primary key without a pg_constraint entry.
> 
> I disagree.  For one thing, there are clients that look at that column.
> There's no percentage in breaking them to gain zero (and it will be
> zero, because of alignment considerations...)

Yes, pgaccess uses it, as I remember.  Would be nice if it was accurate.

> 
> indisclustered is currently pretty useless, but may become less so
> if CLUSTER gets upgraded to usefulness, so I'm not in favor of deleting
> that either.

Yea, I can see that being useful some day.

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