Re: Unused system table columns

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От Bruce Momjian
Тема Re: Unused system table columns
Дата
Msg-id 200207160612.g6G6Crp09260@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Unused system table columns  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Unused system table columns  ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>)
Re: Unused system table columns  (Tom Lane <tgl@sss.pgh.pa.us>)
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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.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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