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| author | Peter Geoghegan <pg@bowt.ie> | 2020-07-27 17:53:17 -0700 |
|---|---|---|
| committer | Peter Geoghegan <pg@bowt.ie> | 2020-07-27 17:53:17 -0700 |
| commit | 5a6cc6ffa914775e0184207686c2216998126549 (patch) | |
| tree | 5828b1272fe84a1e64f5bc651fff4ceba06228a8 /doc/src | |
| parent | 0caf1fc6e86a8985ef8b881a4dbb3488381ff976 (diff) | |
Remove hashagg_avoid_disk_plan GUC.
Note: This GUC was originally named enable_hashagg_disk when it appeared
in commit 1f39bce0, which added disk-based hash aggregation. It was
subsequently renamed in commit 92c58fd9.
Author: Peter Geoghegan
Reviewed-By: Jeff Davis, Álvaro Herrera
Discussion: https://postgr.es/m/9d9d1e1252a52ea1bad84ea40dbebfd54e672a0f.camel%40j-davis.com
Backpatch: 13-, where disk-based hash aggregation was introduced.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 17 | ||||
| -rw-r--r-- | doc/src/sgml/release-13.sgml | 3 |
2 files changed, 1 insertions, 19 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 6124142097a..145306eec69 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -4813,23 +4813,6 @@ 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> - </variablelist> </sect2> <sect2 id="runtime-config-query-constants"> diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml index 22363a186bc..95d6631faab 100644 --- a/doc/src/sgml/release-13.sgml +++ b/doc/src/sgml/release-13.sgml @@ -627,8 +627,7 @@ Author: Jeff Davis <jdavis@postgresql.org> <para> Previously, hash aggregation was avoided if it was expected to use - more than <xref linkend="guc-work-mem"/> memory. This is controlled - by <xref linkend="guc-hashagg-avoid-disk-plan"/>. + more than <xref linkend="guc-work-mem"/> memory. </para> </listitem> |