Re: [HACKERS] Issues with generate_series using integer boundaries

From: Thom Brown <thom(at)linux(dot)com>
To: Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PGSQL Mailing List <pgsql-general(at)postgresql(dot)org>
Subject: Re: [HACKERS] Issues with generate_series using integer boundaries
Date: 2011-02-08 10:12:47
Message-ID: AANLkTikSRudj6B6yeJ0L+ft+mVGbomkbR-rVzf0RNaVX@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general pgsql-hackers

On 8 February 2011 09:22, Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> wrote:
> On Mon, Feb 7, 2011 at 20:38, Thom Brown <thom(at)linux(dot)com> wrote:
>> Yes, of course, int8 functions are separate.  I attach an updated
>> patch, although I still think there's a better way of doing this.
>
> Thanks. Please add the patch to the *current* commitfest
> because it's a bugfix.
> https://commitfest.postgresql.org/action/commitfest_view?id=9
>
> I've not tested the patch yet, but if we could drop the following
> line in the patch, the code could be much cleaner.
>  /* ensure first value in series should exist */
>
>> I'm not sure how this should be handled.  Should there just be a check
>> for either kind of infinity and return an error if that's the case?  I
>
> Maybe so. It also works if we had infinity on timestamp overflow, but
> I've not tested yet.  Anyway, we need similar fix for timestamp versions.

Well, in its current state, I expect it to get rejected, but I guess
at least it gets a better chance of being looked at. I've added it to
the commitfest now.

--
Thom Brown
Twitter: @darkixion
IRC (freenode): dark_ixion
Registered Linux user: #516935

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Oleg Bartunov 2011-02-08 10:34:32 Re: fulltext search and hunspell
Previous Message OTSUKA Kenji 2011-02-08 10:09:46 about PostgreSQL 9.0.3 RPMs

Browse pgsql-hackers by date

  From Date Subject
Next Message Dimitri Fontaine 2011-02-08 10:51:11 Re: Extensions support for pg_dump, patch v27
Previous Message Ibrar Ahmed 2011-02-08 10:05:40 Re: REVIEW: Determining client_encoding from client locale