Re: Avoid needless copy in nodeMaterial

This has been saved for the 8.4 release:

    http://momjian.postgresql.org/cgi-bin/pgpatches_hold

---------------------------------------------------------------------------

Neil Conway wrote:
> Attached is a patch that avoids a needless copy of the result tuple in
> nodeMaterial, in the case that we don't have a previously-materialized
> tuple to return. We can just return the TTS produced by executing our
> child node, rather than returning a copy of it.
>
> I didn't bother pulling the MinimalTuple out of "outerslot" and stuffing
> it back into the nodeMaterial's result slot, as AFAICS that is not
> necessary. Although I suppose you could make a cleanliness argument that
> that would be worth doing instead.
>
> (This is 8.4 material...)
>
> -Neil
>

[ Attachment, skipping... ]

>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: You can help support the PostgreSQL project by donating at
>
>                 http://www.postgresql.org/about/donate

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +