RE: [GENERAL] SELECT Date

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От Jackson, DeJuan
Тема RE: [GENERAL] SELECT Date
Дата
Msg-id F10BB1FAF801D111829B0060971D839F46ABB5@cpsmail
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Список pgsql-general
> I tried this but, got the following:
>
> ---------------------------------------
> mytest=> select fagentname from feedback where ftdate between
> now()::date and
> mytest-> (now()::datetime - '@ 7 days'::timespan)::date;
> ERROR:  function date(timestamp) does not exist
> ---------------------------------------
>
> I have this column identified as type date and not timestamp.
try:
SELECT fagentname
  FROM feedback
 WHERE '@ 7 days'::timespan >= ftdate::datetime - now()::datetime;
> Any suggestions?
>
>
>
>
> On Thu, 8 Oct 1998, Jackson, DeJuan wrote:
>
> >> >I have a table with somedate defined as date.
> >> >
> >> >I want to select all rows that are from todays date back to 7 days
> >> >ago. Or in this case 10-1-1998.
> >>
> >> Use the function age() somewhat like this:
> >>
> >> select * from sometable
> >> where date_part( 'epoch' , age( 'now', somedate ) ) > 604800
> >>
> >> The 'epoch' date part is the total number of seconds between the
> two
> >> dates.
> >> For other variations, see:
> >>
> >> http://www/postgresql.org/docs/user/functions1574.htm
> >>
> >Why don't you just use between:
> >select * from sometable
> >where somedate between now()::date and (now()::datetime - '@ 7
> >days'::timespan)::date;
> >    -DEJ
> >

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