| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | jwieck(at)debis(dot)com |
| Cc: | jwieck(at)debis(dot)com, vadim(at)krs(dot)ru, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] TIME QUALIFICATION |
| Date: | 1999-02-11 15:44:57 |
| Message-ID: | 199902111544.KAA20079@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> For that preprocessing required to associate RTE's with
> snapshots I need the exact output of the rewrite system at
> ExecutorStart() time, so I'm able to find all the RTE's.
>
> So far I've found that the planner NULL's out subselects in
> _make_subplan(). A first (very little) test showed, that it
> seems to work without doing so too. Who coded that and why
> is it done there?
>
> Does anyone know about other places in the code mucking with
> the parsetrees after I'm done with them in the rewrite
> system?
Vadim originally wrote the file. Is he splitting up the subqueries?
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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