On Tue, Jan 21, 2014 at 7:54 PM, carlo cancellieri <
[email protected]> wrote:
> Andrea,
> what about performing a count then add something like this?
> If count ==0 then
> Bbox = 0 0 0 0
>
Try doing select count(*) on a oracle table with 50 millions polygon and
see how many
minutes you have to wait to get the result.
Doing a count with a "limit 1" should be fast enough though, that could work
Cheers
Andrea
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