Re: After Upgrade from 8.2.6 to 8.3.6: function to_timestamp does not exist

On Thu, Mar 5, 2009 at 11:53 PM, Nico Grubert <nicogrubert(at)gmail(dot)com> wrote:
>
>> This query makes little sense.  Why are you trying to convert a
>> timestamp to a timestamp?  Is this a bizarre substitute for date_trunc()?
>
> The "from_datetime" column is of type "timestamp" but I want to check only
> the date, not the time.
> In this example I want to retrieve all records whose "from_datetime" is e.g.
>>= 2009/05/06 (Now()) so I'd like to get results with a "from_datetime" like
> e.g.
> - 2009/05/06 00:05:00
> - 2009/05/06 23:30:00
> - 2009/05/07 10:15:00

Then just cast it to date...

select * from table where timestampfield::date >= '2009-01-01'::date;