Re: Review: B-Tree emulation for GIN

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Teodor Sigaev <teodor(at)sigaev(dot)ru>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Review: B-Tree emulation for GIN
Date: 2009-01-19 16:58:43
Message-ID: 1232384323.7281.116.camel@jdavis
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On Mon, 2009-01-19 at 11:35 -0500, Tom Lane wrote:
> Jeff Davis <pgsql(at)j-davis(dot)com> writes:
> > I like the fact that this patch does not modify the numeric ADT. It
> > still relies on the fact that the numeric type will never make use of
> > the minimal varlena struct, however. I bring this up in case someone
> > sees it as a problem.
>
> I'm pretty certain I recall Greg Stark recommending that we adopt
> something like that as the standard numeric representation of zero.
> It didn't get done yet, but it might happen someday.
>

Then we should use the previous version of the patch here:

http://archives.postgresql.org/message-id/1231709713.25019.129.camel@jdavis

Was there any talk of supporting a +/- infinity in numeric? If we did
that, it would allow numeric to be supported for btree-gin.

Regards,
Jeff Davis

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