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Re: Some incorrect comments and out-dated README from run-time pruning - Mailing list pgsql-hackers

From David Rowley
Subject Re: Some incorrect comments and out-dated README from run-time pruning
Date
Msg-id CAKJS1f-JvCH6X1Corc0=4uVFw-G1+6_cz9MsJ5yvwO-=HbRJxQ@mail.gmail.com
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In response to Some incorrect comments and out-dated README from run-time pruning  (David Rowley <david.rowley@2ndquadrant.com>)
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On 28 September 2018 at 09:20, David Rowley
<david.rowley@2ndquadrant.com> wrote:
> I've noticed that the comments above the PartitionedRelPruneInfo
> struct incorrectly document how subplan_map and subpart_map are
> indexed. This seems to have snuck in on 4e232364033.
>
> Also, while reading the executor README file, I noticed that we
> mentioned that executor nodes are created one for one for each
> corresponding plan node. This is no longer completely true. Some
> Append / MergeAppend subnodes may be skipped when performing run-time
> pruning at executor startup. I thought it might be best to mention
> that in the README.
>
> Patch attached.

Added to the November 'fest.

https://commitfest.postgresql.org/20/1812/

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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