> >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