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Re: timestamp format bug

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Jon Roberts" <Jon(dot)Roberts(at)asurion(dot)com>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: timestamp format bug
Date: 2008-01-31 20:00:23
Message-ID: 47A1D476.EE98.0025.0@wicourts.gov (view raw or flat)
Thread:
Lists: pgsql-hackers
>>> On Thu, Jan 31, 2008 at 12:34 PM, in message
<1A6E6D554222284AB25ABE3229A92762715526(at)nrtexcus702(dot)int(dot)asurion(dot)com>, "Roberts,
Jon" <Jon(dot)Roberts(at)asurion(dot)com> wrote: 
 
> doesn't round the zeros off for timestamp
 
Sorry to have been so slow, but I think this is the crux of it:
 
A timestamp represents a moment in time, without storing any
precision information.  These timestamp literals represent exactly
the same moment, and therefore have exactly the same internal
representation:
 
timestamp '2008-01-31 12:31:40.50'
timestamp '2008-01-31 12:31:40.500'
timestamp '2008-01-31 12:31:40.500000'
  
to_char turns that into a string of your chosen format.
 
I hope that helps.
 
-Kevin
 



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