Re: PostGreSQL and recursive queries...

"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

> Gregory Stark <stark(at)enterprisedb(dot)com> writes:
>> I could imagine problems the planner would have to deal with though, such as
>> what type is "bogon" in this query?
>
>> WITH RECURSIVE x(bogon) AS (select bogon from x) select * from x;
>
> Just a note --- that's not the planner's problem, either. Semantic
> interpretation of the meaning of a query is supposed to be completed
> during parse analysis.

I was being sloppy. I just mean as opposed to the executor. Ie, that the code
to build the plan is harder than actually running it.

--
Gregory Stark
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