On Mon, 26 Jul 2004, Harmon S. Nine wrote:
> However, we can't get the planner to do an timestamp-based index scan.
>
> Anyone know what to do?
I'd wonder if the type conversion is causing you problems.
CURRENT_TIMESTAMP - INTERVAL '10 minutes' is a timestamp with time zone
while the column is timestamp without time zone. Casting
CURRENT_TIMESTAMP to timestamp without time zone seemed to make it able to
choose an index scan on 7.4.