2011-09-13 17:44:24 +00:00
|
|
|
|
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
|
|
|
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
|
|
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
|
|
|
|
<head>
|
|
|
|
|
|
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
|
|
|
|
|
|
<title>DB->get_q_extentsize()</title>
|
|
|
|
|
|
<link rel="stylesheet" href="apiReference.css" type="text/css" />
|
|
|
|
|
|
<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
|
|
|
|
|
|
<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
|
|
|
|
|
|
<link rel="up" href="db.html" title="Chapter 2. The DB Handle" />
|
|
|
|
|
|
<link rel="prev" href="dbget_priority.html" title="DB->get_priority()" />
|
|
|
|
|
|
<link rel="next" href="dbget_re_delim.html" title="DB->get_re_delim()" />
|
|
|
|
|
|
</head>
|
|
|
|
|
|
<body>
|
|
|
|
|
|
<div xmlns="" class="navheader">
|
|
|
|
|
|
<div class="libver">
|
|
|
|
|
|
<p>Library Version 11.2.5.2</p>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<table width="100%" summary="Navigation header">
|
|
|
|
|
|
<tr>
|
|
|
|
|
|
<th colspan="3" align="center">DB->get_q_extentsize()</th>
|
|
|
|
|
|
</tr>
|
|
|
|
|
|
<tr>
|
|
|
|
|
|
<td width="20%" align="left"><a accesskey="p" href="dbget_priority.html">Prev</a> </td>
|
|
|
|
|
|
<th width="60%" align="center">Chapter 2.
|
|
|
|
|
|
The DB Handle
|
|
|
|
|
|
</th>
|
|
|
|
|
|
<td width="20%" align="right"> <a accesskey="n" href="dbget_re_delim.html">Next</a></td>
|
|
|
|
|
|
</tr>
|
|
|
|
|
|
</table>
|
|
|
|
|
|
<hr />
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="sect1" lang="en" xml:lang="en">
|
|
|
|
|
|
<div class="titlepage">
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<h2 class="title" style="clear: both"><a id="dbget_q_extentsize"></a>DB->get_q_extentsize()</h2>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<pre class="programlisting">#include <db.h>
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
|
DB->get_q_extentsize(DB *db, u_int32_t *extentsizep); </pre>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
The <code class="methodname">DB->get_q_extentsize()</code> method returns the number of pages in an
|
|
|
|
|
|
extent. This value is used only for Queue databases and is set using the
|
|
|
|
|
|
<a class="xref" href="dbset_q_extentsize.html" title="DB->set_q_extentsize()">DB->set_q_extentsize()</a>
|
|
|
|
|
|
method.
|
|
|
|
|
|
</p>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
The <code class="methodname">DB->get_q_extentsize()</code> method may be
|
|
|
|
|
|
called only after the database has been opened.
|
|
|
|
|
|
</p>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
The <code class="methodname">DB->get_q_extentsize()</code> <span>
|
|
|
|
|
|
<span>
|
|
|
|
|
|
method returns a non-zero error value on failure and 0 on success.
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
</p>
|
|
|
|
|
|
<div class="sect2" lang="en" xml:lang="en">
|
|
|
|
|
|
<div class="titlepage">
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<div>
|
2011-12-20 00:07:10 +00:00
|
|
|
|
<h3 class="title"><a id="id3679830"></a>Parameters</h3>
|
2011-09-13 17:44:24 +00:00
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="sect3" lang="en" xml:lang="en">
|
|
|
|
|
|
<div class="titlepage">
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<div>
|
2011-12-20 00:07:10 +00:00
|
|
|
|
<h4 class="title"><a id="id3679819"></a>extentsizep</h4>
|
2011-09-13 17:44:24 +00:00
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
The <code class="methodname">DB->get_q_extentsize()</code> method returns the number of pages in an
|
|
|
|
|
|
extent in <span class="bold"><strong>extentsizep</strong></span>. If used on a handle that has not yet been opened,
|
|
|
|
|
|
<code class="literal">0</code> is returned.
|
|
|
|
|
|
</p>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="sect2" lang="en" xml:lang="en">
|
|
|
|
|
|
<div class="titlepage">
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<div>
|
2011-12-20 00:07:10 +00:00
|
|
|
|
<h3 class="title"><a id="id3679417"></a>Class</h3>
|
2011-09-13 17:44:24 +00:00
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
<a class="link" href="db.html" title="Chapter 2. The DB Handle">DB</a>
|
|
|
|
|
|
</p>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="sect2" lang="en" xml:lang="en">
|
|
|
|
|
|
<div class="titlepage">
|
|
|
|
|
|
<div>
|
|
|
|
|
|
<div>
|
2011-12-20 00:07:10 +00:00
|
|
|
|
<h3 class="title"><a id="id3679837"></a>See Also</h3>
|
2011-09-13 17:44:24 +00:00
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<p>
|
|
|
|
|
|
<a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>,
|
|
|
|
|
|
<a class="xref" href="dbset_q_extentsize.html" title="DB->set_q_extentsize()">DB->set_q_extentsize()</a>
|
|
|
|
|
|
</p>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
<div class="navfooter">
|
|
|
|
|
|
<hr />
|
|
|
|
|
|
<table width="100%" summary="Navigation footer">
|
|
|
|
|
|
<tr>
|
|
|
|
|
|
<td width="40%" align="left"><a accesskey="p" href="dbget_priority.html">Prev</a> </td>
|
|
|
|
|
|
<td width="20%" align="center">
|
|
|
|
|
|
<a accesskey="u" href="db.html">Up</a>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td width="40%" align="right"> <a accesskey="n" href="dbget_re_delim.html">Next</a></td>
|
|
|
|
|
|
</tr>
|
|
|
|
|
|
<tr>
|
|
|
|
|
|
<td width="40%" align="left" valign="top">DB->get_priority() </td>
|
|
|
|
|
|
<td width="20%" align="center">
|
|
|
|
|
|
<a accesskey="h" href="index.html">Home</a>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td width="40%" align="right" valign="top"> DB->get_re_delim()</td>
|
|
|
|
|
|
</tr>
|
|
|
|
|
|
</table>
|
|
|
|
|
|
</div>
|
|
|
|
|
|
</body>
|
|
|
|
|
|
</html>
|
