Philip Warner <[EMAIL PROTECTED]> writes:
> It seems that the optimizer does not know about (or calculate values of)
> constant expressions when determining strategy.
Datetime calculations are not considered constant-foldable. See
prior discussions, eg thread "Constant propagation and similar is
It seems that the optimizer does not know about (or calculate values of)
constant expressions when determining strategy. Perhaps I am doing
something silly, but:
select tmax from ping where pingtime > current_timestamp - interval '2
hour'
order by pingtime asc limit 30;
is very slo
