Re: COALESCE and NULLIF semantics - Mailing list pgsql-hackers

From Kevin Grittner
Subject Re: COALESCE and NULLIF semantics
Date
Msg-id 4AAA4A0E020000250002AD05@gw.wicourts.gov
Whole thread Raw
In response to Re: COALESCE and NULLIF semantics  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: COALESCE and NULLIF semantics
List pgsql-hackers
Tom Lane <tgl@sss.pgh.pa.us> wrote:
> "Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
>> I was thinking of changing what is currently done, for example,
>> here:
>  
>> newc->coalescetype = select_common_type(pstate, newargs,
>> "COALESCE", NULL);
>  
>> Is that so late as you say, or is there a reason that can't work?
> 
> It's what happens afterwards that's the problem --- try it and see.
Anything in particular I should test or be looking for, or will the
error of my ways be glaringly obvious on any usage?
-Kevin


pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: COPY enhancements
Next
From: Tom Lane
Date:
Subject: Re: COALESCE and NULLIF semantics