Re: Moving SS_finalize_plan processing to the end of planning

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Moving SS_finalize_plan processing to the end of planning
Date: 2015-09-10 21:40:25
Message-ID: CA+TgmoZdm2c6gUfc1jzzVzZRmhzXUPLXURBvRK3TC0aqPCpKkg@mail.gmail.com
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On Sun, Aug 9, 2015 at 3:50 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I've started to work on path-ification of the upper planner (finally),
> and since that's going to be a large patch in any case, I've been looking
> for pieces that could be bitten off and done separately. One such piece
> is the fact that SS_finalize_plan (computation of extParams/allParams)
> currently gets run at the end of subquery_planner; as long as that's true,
> we cannot have subquery_planner returning paths rather than concrete
> plans. The attached patch moves that processing to occur just before
> set_plan_references is run.

Tom,

Do you expect to do more work on the upper planner path-ification stuff soon?

Just checking.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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