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: | Mike Mascari <mascarm(at)mascari(dot)com>, Ferruccio Zamuner <nonsolosoft(at)diff(dot)org>, pgsql-general(at)hub(dot)org |
Subject: | Re: Partial indices |
Date: | 2000-07-07 01:30:41 |
Message-ID: | 200007070130.VAA28052@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-general |
Added to TODO:
* Re-enable partial indexes
> Mike Mascari <mascarm(at)mascari(dot)com> writes:
> >> Are Partial Indices still supported into latest release of PostgreSQL?
>
> > I think they have suffered some serious bit-rot over the years
> > and are no longer functional, although some of the core code
> > still exists in the backend.
>
> Actually, quite a LOT of partial-index support code still exists in the
> backend. Someone removed support for the "WHERE predicate" clause of
> CREATE INDEX from the grammar, but I don't know when or why that was
> done. AFAICT everything is still there to support the feature
> downstream, and it doesn't look particularly bit-rotted.
>
> Someday when we don't have any more-pressing problems, I'd like to try
> to re-enable that support. At the very least I might learn why it
> was disabled ;-)
>
> (Hey Bruce, do we have a TODO item for "Fix partial indices"?)
>
> regards, tom lane
>
--
Bruce Momjian | http://candle.pha.pa.us
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