Re: Add generate_series(date,date) and generate_series(date,date,integer)

On Tue, Jan 26, 2016 at 09:53:26PM +0900, Michael Paquier wrote:
> On Tue, Jan 26, 2016 at 7:00 PM, Torsten Zuehlsdorff
> <mailinglists@toco-domains.de> wrote:
> >
> > On 26.01.2016 07:52, Simon Riggs wrote:
> >
> >>> Imagine for example a script that in some rare cases passes
> >>> happens to pass infinity into generate_series() - in that case
> >>> I'd much rather error out than wait till the end of the
> >>> universe.
> >>>
> >>> So +1 from me to checking for infinity.
> >>>
> >>
> >> +1
> >>
> >> ERROR infinite result sets are not supported, yet
> >
> >
> > Maybe we should skip the "yet". Or do we really plan to support
> > them in (infinite) future? ;)
> >
> > +1 from me to check infinity also.
> 
> Something like the patch attached would be fine? This wins a
> backpatch because the query continuously running eats memory, no?

+1 for back-patching.  There's literally no case where an infinite
input could be correct as the start or end of an interval for
generate_series.

Cheers,
David.
-- 
David Fetter <david@fetter.org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david.fetter@gmail.com

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