Обсуждение: day of week

Hi,

I have records with date column. Is there a way I can get which day of
week this date is?

Cheers,
Anton

On 31/10/2007, Anton Andreev <anton.andreev@fmi.uni-sofia.bg> wrote:
> Hi,
>
> I have records with date column. Is there a way I can get which day of
> week this date is?
>
> Cheers,
> Anton

Hello

http://www.postgresql.org/docs/8.2/interactive/functions-datetime.html
EXTRACT or function date_part

Regards
Pavel Stehule

>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
>

Anton Andreev wrote on 31.10.2007 15:34:
> Hi,
>
> I have records with date column. Is there a way I can get which day of
> week this date is?

What about the extract() function with the dow parameter?

<http://www.postgresql.org/docs/8.2/static/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT>

Thomas

am  Wed, dem 31.10.2007, um 16:34:44 +0200 mailte Anton Andreev folgendes:
> Hi,
>
> I have records with date column. Is there a way I can get which day of
> week this date is?

Yes, no problem. select extract (dow from date).


Andreas
--
Andreas Kretschmer
Kontakt:  Heynitz: 035242/47150,   D1: 0160/7141639 (mehr: -> Header)
GnuPG-ID:   0x3FFF606C, privat 0x7F4584DA   http://wwwkeys.de.pgp.net

> Hi,
>
> I have records with date column. Is there a way I can get which day of
> week this date is?

http://www.postgresql.org/docs/8.2/interactive/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT

t.v.