Re: plan difference between set-returning function with ROWS within IN() and a plain join

[PFC <lists@xxxxxxxxxx>]

On Tue, 06 May 2008 10:21:43 +0200, Frank van Vugt <ftm.van.vugt@xxxxxxx>  
wrote:

> L.S.
>
> I'm noticing a difference in planning between a join and an in() clause,
> before trying to create an independent test-case, I'd like to know if  
> there's
> an obvious reason why this would be happening:

Is the function STABLE ?