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

Re: Timestamp conversion can't use index

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: thomas(at)pgsql(dot)com, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Timestamp conversion can't use index
Date: 2001-12-27 04:45:45
Message-ID: 200112270445.fBR4jjt05093@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
OK, new text:

	Some datatype() function calls now evaluated differently   

At least it is a warning.

---------------------------------------------------------------------------

> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Added to same files:
> > 	datatype(const,...) function calls now evaluated earlier   
> 
> This is quite wrong, since (a) the change only applies to single-
> argument function calls (so, no "..."), (b) the call is not
> evaluated "earlier", but "differently", and (c) it doesn't only
> apply to constant arguments.
> 
> Not sure that I can come up with a one-liner definition of this change,
> but the above definitely doesn't do the job.
> 
> We already have
> 
>    Modify type coersion logic to attempt binary-compatible functions first (Tom)
> 
> and I'm not sure there is a better one-liner for it.
> 
> 			regards, tom lane
> 

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

In response to

pgsql-hackers by date

Next:From: Bruce MomjianDate: 2001-12-27 05:00:02
Subject: Re: History question
Previous:From: Tom LaneDate: 2001-12-27 04:39:15
Subject: Re: Timestamp conversion can't use index

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group