mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-03-13 19:57:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Doc fixup for hashagg_avoid_disk_plan GUC.

Browse Source 
Reported-by: Justin Pryzby
Discussion: https://postgr.es/m/20200620220402.GZ17995@telsasoft.com
Backport-through: 13
This commit is contained in:
Jeff Davis 2020-06-22 12:14:55 -07:00
parent 63d2ac23b0
commit 7ce4615601
1 changed files with 17 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
doc/src/sgml/config.sgml
View File

@ -4560,23 +4560,6 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
</listitem>
</varlistentry>
<varlistentry id="guc-hashagg-avoid-disk-plan" xreflabel="hashagg_avoid_disk_plan">
<term><varname>hashagg_avoid_disk_plan</varname> (<type>boolean</type>)
<indexterm>
<primary><varname>hashagg_avoid_disk_plan</varname> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
If set to <literal>on</literal>, causes the planner to avoid choosing
hashed aggregation plans that are expected to use the disk. If hashed
aggregation is chosen, it may still require the use of disk at
execution time, even if this parameter is enabled. The default is
<literal>off</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry id="guc-enable-hashjoin" xreflabel="enable_hashjoin">
<term><varname>enable_hashjoin</varname> (<type>boolean</type>)
<indexterm>
@ -4823,6 +4806,23 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class="
</listitem>
</varlistentry>
<varlistentry id="guc-hashagg-avoid-disk-plan" xreflabel="hashagg_avoid_disk_plan">
<term><varname>hashagg_avoid_disk_plan</varname> (<type>boolean</type>)
<indexterm>
<primary><varname>hashagg_avoid_disk_plan</varname> configuration parameter</primary>
</indexterm>
</term>
<listitem>
<para>
If set to <literal>on</literal>, causes the planner to avoid choosing
hashed aggregation plans that are expected to use the disk. If hashed
aggregation is chosen, it may still require the use of disk at
execution time, even if this parameter is enabled. The default is
<literal>off</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</sect2>
<sect2 id="runtime-config-query-constants">