| From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
|---|---|
| To: | Amit Langote <amitlangote09(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: update/delete and execution-time partition pruning |
| Date: | 2021-05-11 03:46:13 |
| Message-ID: | CAApHDvqhhQHrLBQdgyC=e3ykdf2rDp4a-KfyAO7MQHG59W-1rg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, 11 May 2021 at 15:36, Amit Langote <amitlangote09(at)gmail(dot)com> wrote:
>
> We apparently forgot in 86dc90056df to remove a note in 5.11.4.
> Partition Pruning saying this:
>
> <note>
> <para>
> Execution-time partition pruning currently only occurs for the
> <literal>Append</literal> and <literal>MergeAppend</literal> node types.
> It is not yet implemented for the <literal>ModifyTable</literal> node
> type, but that is likely to be changed in a future release of
> <productname>PostgreSQL</productname>.
> </para>
> </note>
>
> Now because we include the Append/MergeAppend node even if the query
> is update/delete, this note is no longer useful or valid.
>
> Attached patch removes that note.
Yeah. Agreed. That's out of date now.
I'll take care of this.
David
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