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List:       pgsql-bugs
Subject:    Re: [BUGS] BUG #12367: Wrong result on to_char() when inputing dates
From:       Tom Lane <tgl () sss ! pgh ! pa ! us>
Date:       2014-12-29 14:55:42
Message-ID: 5680.1419864942 () sss ! pgh ! pa ! us
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Israelins85@yahoo.com.br writes:
> this select shows the diference:

> SELECT 
> to_char(('2014-12-28 22:01:39.151-03' AT TIME ZONE 'UTC'),
> 'IYYY-MM-DD"T"HH24:MI:SS.MS"Z"'), 
> to_char(('2014-12-28 22:01:39.151-03' AT TIME ZONE 'UTC'),
> 'YYYY-MM-DD"T"HH24:MI:SS.MS"Z"')

The results look correct to me: today is the first day of ISO year
2015.  See
http://en.wikipedia.org/wiki/ISO_week_date

The construction IYYY-MM-DD basically never makes any sense.  You
should use IYYY with IDDD and/or IW.

			regards, tom lane


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