From: | Karel Zak <zakkr(at)zf(dot)jcu(dot)cz> |
---|---|
To: | Oliver Elphick <olly(at)lfix(dot)co(dot)uk> |
Cc: | Matthew Lock <lock_matthew(at)hotmail(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Convert number of month to name of month |
Date: | 2002-08-05 11:17:37 |
Message-ID: | 20020805131737.B23020@zf.jcu.cz |
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Lists: | pgsql-general |
On Fri, Aug 02, 2002 at 06:59:43PM +0100, Oliver Elphick wrote:
> On Tue, 2002-07-30 at 07:02, Matthew Lock wrote:
> > How do I build a query that takes a field containing the number of the
> > month (1, 2, ..12) and displays it as the name of the month (Jan, Feb,
> > ..Dec)?
> >
> > For example:
> > 1 as Jan
> > 2 as Feb
> > etc.
>
> In plain SQL, use CASE:
>
> SELECT CASE
> WHEN monthno = 1 THEN 'January'
> WHEN monthno = 2 THEN 'February'
> ...
> END AS month
> FROM ...
>
> You could also write a function in PL/PGSQL...
Too long :-)
test=# SELECT to_char(('2000-'|| 8 || '-01')::date , 'Month');
to_char
-----------
August
--
Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
http://home.zf.jcu.cz/~zakkr/
C, PostgreSQL, PHP, WWW, http://docs.linux.cz, http://mape.jcu.cz
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