| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Piyush Newe <piyush(dot)newe(at)enterprisedb(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Rectifying wrong Date outputs |
| Date: | 2011-03-21 16:39:24 |
| Message-ID: | 2701.1300725564@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Mar 21, 2011 at 10:18 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> As far as I can see, that would completely destroy the use-case of
>> trying to parse a string where there's not non-digit delimiters and
>> so you have to take exactly the specified number of digits, not more.
> Yeah, I thought about that, but it seems that use case is already
> hopelessly broken in both PostgreSQL and Oracle, so I'm disinclined to
> worry about it.
How so?
regression=# select to_date('20110321', 'YYYYMMDD');
to_date
------------
2011-03-21
(1 row)
regression=# select to_date('110321', 'YYMMDD');
to_date
------------
2011-03-21
(1 row)
If you break the latter case, I am sure the villagers will be on your
doorstep shortly.
regards, tom lane
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