| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Marko Tiikkaja <marko(dot)tiikkaja(at)cs(dot)helsinki(dot)fi>, PostgreSQL hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Using results from INSERT ... RETURNING |
| Date: | 2009-09-29 16:36:28 |
| Message-ID: | 11377.1254242188@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Tue, Sep 29, 2009 at 11:29 AM, Alvaro Herrera
> <alvherre(at)commandprompt(dot)com> wrote:
>> BTW what was the conclusion of the idea about having three separate
>> nodes Insert, Delete, Update instead of a single Dml node?
> It wasn't obvious from reading the patch why multiple node types would
> be superior; but I'm not 100% sure I understand what Tom had in mind,
> either.
I thought they would be simpler/faster individually. However, that
might not be enough to outweigh 3x repetition of the per-node-type
boilerplate. I haven't read the patch yet so this isn't an informed
recommendation, just a suggestion of an alternative to consider.
regards, tom lane
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