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160 lines
5.7 KiB
HTML
160 lines
5.7 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DbSequence::set_cachesize()</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ API Reference" />
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<link rel="up" href="seq.html" title="Chapter 12. The DbSequence Handle" />
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<link rel="prev" href="seqremove.html" title="DbSequence::remove()" />
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<link rel="next" href="seqset_flags.html" title="DbSequence::set_flags()" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DbSequence::set_cachesize()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="seqremove.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 12.
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The DbSequence Handle
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="seqset_flags.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="seqset_cachesize"></a>DbSequence::set_cachesize()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db_cxx.h>
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int
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DbSequence::set_cachesize(int32_t size); </pre>
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<p>
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Configure the number of elements cached by a sequence handle.
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</p>
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<p>
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The <code class="methodname">DbSequence::set_cachesize()</code> method may not be called after the
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<a class="xref" href="seqopen.html" title="DbSequence::open()">DbSequence::open()</a>
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method is called.
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</p>
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<p>
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The <code class="methodname">DbSequence::set_cachesize()</code> <span>
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<span>
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method either returns a non-zero error value or throws an
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exception that encapsulates a non-zero error value on
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failure, and returns 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3668404"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3669010"></a>size</h4>
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</div>
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</div>
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</div>
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<p>
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The number of elements in the cache.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3668603"></a>Errors</h3>
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</div>
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</div>
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</div>
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<p>
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The <code class="methodname">DbSequence::set_cachesize()</code> <span>
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<span>
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method may fail and throw a <a class="link" href="dbexception.html" title="Chapter 6. The DbException Class">DbException</a>
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exception, encapsulating one of the following non-zero errors, or return one
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of the following non-zero errors:
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</span>
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</span>
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</p>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3668482"></a>EINVAL</h4>
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</div>
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</div>
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</div>
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<p>
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An invalid flag value or parameter was specified.
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</p>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3668772"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="seq.html" title="Chapter 12. The DbSequence Handle">DbSequence</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3669115"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="seq.html#seqlist" title="Sequences and Related Methods">Sequences and Related Methods</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="seqremove.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="seq.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="seqset_flags.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DbSequence::remove() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> DbSequence::set_flags()</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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