| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: WIP patch for LATERAL subqueries |
| Date: | 2012-08-07 23:08:14 |
| Message-ID: | 25601.1344380894@sss.pgh.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
I wrote:
> What I'd like to do next, barring objections, is to band-aid the places
> where the planner could crash on a LATERAL query (probably just make it
> throw FEATURE_NOT_SUPPORTED errors), write some documentation, and
> then commit what I've got. After that I can go back to improve the
> planner and work on the parser refactoring issues as separate patches.
... and done (though the pgsql-committers message seems to have got hung
up for moderation). I put some simplistic examples into section 7.2.1.5
and the SELECT reference page ... if anybody has ideas for
more-compelling small examples, please speak up.
regards, tom lane
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