diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/config.sgml | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index e9b420f3ddb..39e658b7808 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -5475,6 +5475,21 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" </listitem> </varlistentry> + <varlistentry id="guc-enable-eager-aggregate" xreflabel="enable_eager_aggregate"> + <term><varname>enable_eager_aggregate</varname> (<type>boolean</type>) + <indexterm> + <primary><varname>enable_eager_aggregate</varname> configuration parameter</primary> + </indexterm> + </term> + <listitem> + <para> + Enables or disables the query planner's ability to partially push + aggregation past a join, and finalize it once all the relations are + joined. The default is <literal>on</literal>. + </para> + </listitem> + </varlistentry> + <varlistentry id="guc-enable-gathermerge" xreflabel="enable_gathermerge"> <term><varname>enable_gathermerge</varname> (<type>boolean</type>) <indexterm> @@ -6095,6 +6110,22 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" </listitem> </varlistentry> + <varlistentry id="guc-min-eager-agg-group-size" xreflabel="min_eager_agg_group_size"> + <term><varname>min_eager_agg_group_size</varname> (<type>floating point</type>) + <indexterm> + <primary><varname>min_eager_agg_group_size</varname> configuration parameter</primary> + </indexterm> + </term> + <listitem> + <para> + Sets the minimum average group size required to consider applying + eager aggregation. This helps avoid the overhead of eager + aggregation when it does not offer significant row count reduction. + The default is <literal>8</literal>. + </para> + </listitem> + </varlistentry> + <varlistentry id="guc-jit-above-cost" xreflabel="jit_above_cost"> <term><varname>jit_above_cost</varname> (<type>floating point</type>) <indexterm> |