| From: | Amit Langote <amitlangote09(at)gmail(dot)com> |
|---|---|
| To: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | update/delete and execution-time partition pruning |
| Date: | 2021-05-11 03:35:36 |
| Message-ID: | CA+HiwqFxQn7Hz1wT+wYgnf_9SK0c4BwOOwFFT8jcSZwJrd8HEA@mail.gmail.com |
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| Lists: | pgsql-hackers |
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.
--
Amit Langote
EDB: http://www.enterprisedb.com
| Attachment | Content-Type | Size |
|---|---|---|
| update-delete-exec-pruning-doc.patch | application/octet-stream | 831 bytes |
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