From 1b992b468bc5fef62f5a1470f382c70311e9d162 Mon Sep 17 00:00:00 2001
From: "Thomas G. Lockhart" <lockhart@fourpalms.org>
Date: Fri, 7 Apr 2000 13:31:18 +0000
Subject: [PATCH] Document new SET SEED command.
---
doc/src/sgml/ref/set.sgml | 40 ++++++++++++++++++++++++++++++++++++++-
1 file changed, 39 insertions(+), 1 deletion(-)
diff --git a/doc/src/sgml/ref/set.sgml b/doc/src/sgml/ref/set.sgml
index 434fede66b..f6e7a68cdc 100644
--- a/doc/src/sgml/ref/set.sgml
+++ b/doc/src/sgml/ref/set.sgml
@@ -1,5 +1,5 @@
<!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.35 2000/03/31 17:45:32 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.36 2000/04/07 13:31:18 thomas Exp $
Postgres documentation
-->
@@ -201,6 +201,44 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZABLE }
</listitem>
</varlistentry>
+ <varlistentry>
+ <term>Seed</term>
+ <listitem>
+ <para>
+ Sets the internal seed for the random number generator.
+
+ <variablelist>
+ <varlistentry>
+ <term><replaceable class="parameter">value</replaceable></term>
+ <listitem>
+ <para>
+ The value for the seed to be used by the
+ <function>random</function> catalog function. Significant
+ values are floating point numbers between 0 and 1, which
+ are then multiplied by RAND_MAX. This product will
+ silently overflow if a number outside the range is used.
+ </para>
+
+ <para>
+ The seed can also be set by invoking the
+ <function>setseed</function> SQL function:
+
+ <programlisting>
+SELECT setseed(<replaceable>value</replaceable>);
+ </programlisting>
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+
+ <para>
+ This option is only available if MULTIBYTE support was enabled
+ during the configure step of building Postgres.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term>SERVER_ENCODING</term>
<listitem>
--
2.24.1