| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: WIP: Faster Expression Processing v4 |
| Date: | 2017-03-22 17:41:26 |
| Message-ID: | 20170322174126.pgzgpipkgn24j5e3@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2017-03-22 13:15:41 -0400, Tom Lane wrote:
> BTW, I'm fairly concerned by what you did in nodeTidscan.c, ie delaying
> compile of the TID expressions until TidListCreate. I think that probably
> fails for cases involving, eg, subplans in the expressions; we need
> subplans to get linked to the parent node, and this way won't do it till
> (maybe) too late. Barring objection I'm going to rearrange that so that
> we still do the compile part at executor start.
No objection here.
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