On Thu, May 13, 2021 at 11:59 PM Bruce Momjian <bruce@momjian.us> wrote:
> On Thu, May 13, 2021 at 02:46:58PM +0900, Amit Langote wrote:
> > How about writing the 2nd line instead as:
> >
> > Updates/deletes on partitioned tables can now use execution-time
> > partition pruning.
> >
> > We don't seem to use the term "run-time pruning" anywhere else in the
> > documentation, and "pruning of updates/deletes" sounds strange.
>
> Good point, updated text:
>
> <listitem>
> <!--
> Author: Tom Lane <tgl@sss.pgh.pa.us>
> 2021-03-31 [86dc90056] Rework planning and execution of UPDATE and DELETE.
> Author: Tom Lane <tgl@sss.pgh.pa.us>
> 2021-04-06 [a1115fa07] Postpone some more stuff out of ExecInitModifyTable.
> Author: Tom Lane <tgl@sss.pgh.pa.us>
> 2021-04-06 [c5b7ba4e6] Postpone some stuff out of ExecInitModifyTable.
> -->
>
> <para>
> Improve the performance of updates/deletes on partitioned tables
> when only a few partitions are affected (Amit Langote, Tom Lane)
> </para>
>
> <para>
> This also allows updates/deletes on partitioned tables to use
> execution-time partition pruning.
> </para>
> </listitem>
Thank you.
--
Amit Langote
EDB: http://www.enterprisedb.com