Re: Please help me.. problem in to_char

From: azah azah <izza76(at)gmail(dot)com>
To: Theodore Petrosky <tedpet5(at)yahoo(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Please help me.. problem in to_char
Date: 2004-07-22 02:43:35
Message-ID: 235b1a2804072119431ee36f53@mail.gmail.com
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Why still not working???
I have try all the suggestions, still error like below:
ERROR: cannot cast type character varying to date
I'm using latest version of postresql.

On Wed, 21 Jul 2004 05:35:06 -0700 (PDT), Theodore Petrosky
<tedpet5(at)yahoo(dot)com> wrote:
>
> what kind of column is t1.created? It appears that it
> is a text column and the format looks like a date. Is
> this correct or is it a date? I need more information
> about your table structure.
>
> What about:
>
> SELECT t2.id, t2.name, to_char(cast (t1.created as
> date),'DD/MM/YYYY')
>
> but the other '::' should work also.
>
> extremedb=> SELECT to_char(cast ('12/4/2004' as
> date),'DD/MM/YYYY');
> to_char
> ------------
> 04/12/2004
> (1 row)
>
> extremedb=> SELECT
> to_char('12/4/2004'::date,'DD/MM/YYYY');
> to_char
> ------------
> 04/12/2004
> (1 row)
>
> I have a table with a timestamp in it called
> createdate..
>
> \d clientinfo
> Table "public.clientinfo"
> Column | Type |
> Modifiers
> -----------------+--------------------------+-----
> acode | text |
> not null
> createdate | timestamp with time zone | default
> now()
>
> extremedb=> SELECT to_char(cast (clientinfo.createdate
> as date),'DD/MM/YYYY') from clientinfo;
> to_char
> ------------
> 14/07/2004
> 14/07/2004
> 14/07/2004
>
> Ted
>
> --- azah azah <izza76(at)gmail(dot)com> wrote:
> > Hi,
> > I want convert from mysql to postresql, previously
> > in mysql the code as below:
> >
> > SELECT t2.id, t2.name, date_format(t1.created,\'%W
> > %M %e, %Y - %r\')
> >
> > In postresql no date_format function, we need to use
> > to_char function
> > but it still work because still need to put ::date
> > such as
> > SELECT to_char('2005-03-27'::date,'DD/MM/YYYY');
> >
> > How can i put ::date beside t1.created to get the
> > output?
> > Any idea??
> >
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