[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