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Document and enforce that the usable range of setseed() arguments is

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-1 to 1, not 0 to 1.  The actual behavior for values within this range
does not change.  Kris Jurka
This commit is contained in:
Tom Lane
2008-03-10 12:39:23 +00:00
parent bfce56eea4
commit 23c356ccec
4 changed files with 12 additions and 8 deletions
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4
doc/src/sgml/ref/set.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/set.sgml,v 1.91 2007/09/11 00:06:41 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/set.sgml,v 1.92 2008/03/10 12:39:22 tgl Exp $
PostgreSQL documentation
-->
@@ -166,7 +166,7 @@ SET [ SESSION | LOCAL ] TIME ZONE { <replaceable class="PARAMETER">timezone</rep
<para>
Sets the internal seed for the random number generator (the
function <function>random</function>). Allowed values are
floating-point numbers between 0 and 1, which are then
floating-point numbers between -1 and 1, which are then
multiplied by 2<superscript>31</>-1.
</para>