[PATCH 3/3] Document geqo_seed variable.

---doc/src/sgml/config.sgml |   16 ++++++++++++++++1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 99d25d7..5d8eca9 100644
*** a/doc/src/sgml/config.sgml
--- b/doc/src/sgml/config.sgml
*************** archive_command = 'copy "%p" "C:\\server
*** 2150,2155 ****
--- 2150,2171 ----       </listitem>      </varlistentry>      
+      <varlistentry id="guc-geqo-seed" xreflabel="geqo_seed">
+       <term><varname>geqo_seed</varname>
+       (<type>floating point</type>)</term>
+       <indexterm>
+        <primary><varname>geqo_seed</> configuration parameter</primary>
+       </indexterm>
+       <listitem>
+        <para>
+         Controls the initialization of the random number generator used
+         by GEQO to select random paths through the join order search space.
+         With the default setting of zero the join order planning is not repeatable.
+         For repeatable planning set a value between 0 (exclusive) and 1 (inclusive).
+        </para>
+       </listitem>
+      </varlistentry>
+       </variablelist>     </sect2>      <sect2 id="runtime-config-query-other">
-- 
1.6.3.3.335.ge09a8