Re: After Upgrade from 8.2.6 to 8.3.6: function to_timestamp does not exist - Mailing list pgsql-general

From Scott Marlowe
Subject Re: After Upgrade from 8.2.6 to 8.3.6: function to_timestamp does not exist
Date
Msg-id dcc563d10903052302p3d07b472xf134545bbd364c0d@mail.gmail.com
Whole thread Raw
In response to Re: After Upgrade from 8.2.6 to 8.3.6: function to_timestamp does not exist  (Nico Grubert <nicogrubert@gmail.com>)
Responses Re: After Upgrade from 8.2.6 to 8.3.6: function to_timestamp does not exist  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On Thu, Mar 5, 2009 at 11:59 PM, Nico Grubert <nicogrubert@gmail.com> wrote:
>
>> OK, so you want to see if a timestamp is greater than now()?  Why not
>> just compare them?
>>
>> where a.from_datetime >= now()
>
> No, not the whole timestamp. I dont want to check the time.
> So I had to truncate the datetime with:
>
> date_trunc('day', a.from_datetime) >= date_trunc('day', NOW())

The functionality is the same, since the now() will get rounded down
to the date with time of 00:00:00.  So, anytime for that day will be
>= to the output of date_trunc('day',now())

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