| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: full outer join bug? |
| Date: | 2001-11-18 21:17:03 |
| Message-ID: | 200111182117.fAILH3F07059@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> I wrote:
> > I have plans to revise the handling of join variables at some point
> > in the future, probably as part of the fabled querytree redesign.
> > And mergejoining on expressions should be allowed too, sooner or later.
> > Neither one is going to happen for 7.2 though ...
>
> There probably ought to be something in the master TODO list about
> these. Bruce, would you add something along the lines of:
>
> * Nested FULL OUTER JOINs don't work (Tom)
> * Allow merge and hash joins on expressions not just simple variables (Tom)
Added.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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