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Re: [PgFoundry] Unsigned Data Types [1 of 2]

From: "Jaime Casanova" <jcasanov(at)systemguards(dot)com(dot)ec>
To: "Ryan Bradetich" <rbradetich(at)gmail(dot)com>
Cc: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: [PgFoundry] Unsigned Data Types [1 of 2]
Date: 2008-09-08 06:34:30
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-patches
On Mon, Sep 8, 2008 at 1:14 AM, Ryan Bradetich <rbradetich(at)gmail(dot)com> wrote:
>> If you read the comments around that stuff it leaves quite a lot to be
>> desired, but I don't really have better ideas at the moment.  The best
>> near-term solution for the uint module is probably not to rely on
>> scalarltsel/scalargtsel for uint comparisons, but to make its own
>> selectivity functions that know the uint types plus whatever standard
>> types you want to have comparisons with.
> Ok.  Looks like I need to review these functions and develop new functions
> specific for the unsigned type.

the same problem happens in joins, unions, hash, etc... so you have to
look at those functions as well

PS: Jaime not Jamie :)

Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. (593) 87171157

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