DW,

> The idea of the control is, of course, to subtract the overhead of  
> the benchmarking function from the code actually being tested. So I  
> guess my question is, how important is it to have the control there,  
> and, if it is important, how should it actually work?

Well, per our conversation the approach doesn't really work.   EXECUTE 
'string' + generate_series seems to carry a substantial and somewhat random 
overhead, between 100ms and 200ms -- enough to wipe out any differences 
between queries.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco

---------------------------(end of broadcast)---------------------------
TIP 5: don't forget to increase your free space map settings

Reply via email to