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Document the sign() function.

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Peter Eisentraut 2001-09-20 16:41:26 +00:00
parent a1ee06625c
commit 14ac04710a
1 changed files with 9 additions and 1 deletions
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doc/src/sgml/func.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.72 2001/09/20 14:20:26 petere Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.73 2001/09/20 16:41:26 petere Exp $ -->
<chapter id="functions">
<title>Functions and Operators</title>
@ -640,6 +640,14 @@
<entry></entry>
</row>
-->
<row>
<entry><function>sign</function>(<type>numeric</type>)</entry>
<entry><type>numeric</type></entry>
<entry>sign of the argument (-1, 0, +1)</entry>
<entry><literal>sign(-8.4)</literal></entry>
<entry>-1</entry>
</row>
<row>
<entry><function>sqrt</function>(<type>dp</type>)</entry>
<entry><type>dp</type></entry>