eVl <[EMAIL PROTECTED]> writes:
>       When executing this SELECT (see SELECT.A above) it executes in about 
> 700 ms, but when I want wipe out all info about local traffic, with query 
> like this:
>       SELECT * FROM ( SELECT.A ) a WHERE type = 'global';
> It executes about 10000 ms - more then 10 TIMES SLOWER!

>  Why this could be?

You tell us --- let's see EXPLAIN ANALYZE results for both cases.

                        regards, tom lane

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