Re: Custom Plan node

On Mon, Sep 9, 2013 at 1:20 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Let me be clear that I'm not against the concept of custom plan nodes.
> But it was obvious from the beginning that making the executor deal with
> them would be much easier than making the planner deal with them.  I don't
> think we should commit a bunch of executor-side infrastructure in the
> absence of any (ahem) plan for doing something realistic on the planner
> side.  Either that infrastructure will go unused, or we'll be facing a
> continual stream of demands for doubtless-half-baked planner changes
> so that people can do something with it.
>
> I'd be willing to put in the infrastructure as soon as it's clear that we
> have a way forward, but not if it's never going to be more than a kluge.

Fair enough, I think.  So the action item for KaiGai is to think of
how the planner integration might work.

-- 
Robert Haas
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