Skip site navigation (1) Skip section navigation (2)

Re: Inconsistent Errors on Row Comparisons

From: David Fetter <david(at)fetter(dot)org>
To: "David E(dot) Wheeler" <david(at)kineticode(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,pgsql-hackers Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Inconsistent Errors on Row Comparisons
Date: 2009-06-30 23:54:34
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Tue, Jun 30, 2009 at 03:16:09PM -0700, David Wheeler wrote:
> On Jun 30, 2009, at 3:05 PM, David Fetter wrote:
>>>> Would this be the first C piece?  If not, it might be worth
>>>> doing.
>>> I don't understand the question.
>> I was thinking of this as part of PgTAP.
> Oh.  There is a piece of C, but it's just an implementation of
> pg_typeof() so that pgTAP can use it in versions of PostgreSQL <
> 8.4.  In 8.4 and later, no C code is built.  Have been trying to
> keep it that way for now.

OK, so the can is already open, but you're trying to discourage the
worms from escaping. :)

>>> But yes, I think it'd be worth doing.  I'd like to have functions
>>> like:
>>>    pg_record_attrs(RECORD) RETURNS SETOF regtype[]
>>> And maybe another function to return attribute names. If it could
>>> returns both names and types, that'd be cool, but I'm not sure what  
>>> kind
>>> of data type that would be.
>> It's possible to have it return SETOF RECORD with OUT parameters, I
>> think.
> Out parameters?

    IN r RECORD,
    OUT "regtype" RETYPE,
    OUT "name" NAME,
AS 'filename', 'pg_record_info';

> I was thinking of SETOF RECORD with two attributes in  each record:
> name and type. Are there other attributes of RECORD  attributes that
> might be of interest?
>>> Does this sound interesting to other folks?
>> Sure.  Maybe that should go in pg_catalog in 8.5...
> Right, that was my thought. I could then throw it in pgTAP when
> building on < 8.5.

Right :)

David Fetter <david(at)fetter(dot)org>
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david(dot)fetter(at)gmail(dot)com

Remember to vote!
Consider donating to Postgres:

In response to

pgsql-hackers by date

Next:From: Stephen FrostDate: 2009-07-01 01:05:55
Subject: Re: 8.5 development schedule
Previous:From: David E. WheelerDate: 2009-06-30 22:16:09
Subject: Re: Inconsistent Errors on Row Comparisons

Privacy Policy | About PostgreSQL
Copyright © 1996-2017 The PostgreSQL Global Development Group