Re: Common Table Expressions (WITH RECURSIVE) patch

Tom Lane <tgl@sss.pgh.pa.us> writes:

> Yeah, I'd been running into that issue too.  Adding an explicit pointer
> to the CTE into the RTE doesn't work because it renders the parse tree
> un-copiable (at least without something a lot more sophisticated than
> copyObject; and saving/loading rule parsetrees would be tough too).

Well the alternative to direct pointers is as you did with subqueries, turning
the set into a flat array and storing indexes into the array. I'm not sure if
that applies here or not.

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