Robert Haas <robertmhaas@gmail.com> writes:
> I think getting it working is probably a good first goal. I am not
> really sure that we want to commit it that way, and I think my vote
> would be for you to work on the approach we discussed before rather
> than this one, but it's your project, and I think you'll probably
> learn enough in getting it working that it will be a step forward in
> any case. The planner is complex enough that it's worth trying to get
> something that works, first, before trying to make it perfect.
Remember Brooks' advice: "Plan to throw one away. You will anyhow."
regards, tom lane