Re: pgsql: Support partition pruning at execution time

David Rowley wrote:

> I've made another pass over the nodeAppend.c code and I'm unable to
> see what might cause this, although I did discover a bug where
> first_partial_plan is not set taking into account that some subplans
> may have been pruned away during executor init. The only thing I think
> this would cause is for parallel workers to not properly help out with
> some partial plans if some earlier subplans were pruned. I can see no
> reason for this to have caused this particular issue since the
> first_partial_plan would be 0 with and without the attached fix.

Pushed this.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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