1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>DB->get_priority()</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C API Reference" /> 10 <link rel="up" href="db.html" title="Chapter��2.�� The DB Handle" /> 11 <link rel="prev" href="dbget_pagesize.html" title="DB->get_pagesize()" /> 12 <link rel="next" href="dbget_q_extentsize.html" title="DB->get_q_extentsize()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB->get_priority()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="dbget_pagesize.html">Prev</a>��</td> 22 <th width="60%" align="center">Chapter��2.�� 23 The DB Handle 24 </th> 25 <td width="20%" align="right">��<a accesskey="n" href="dbget_q_extentsize.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="dbget_priority"></a>DB->get_priority()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB->get_priority(DB *db, DB_CACHE_PRIORITY *priorityp); </pre> 42 <p> 43 The <code class="methodname">DB->get_priority()</code> method returns the cache priority for pages 44 referenced by the <a class="link" href="db.html" title="Chapter��2.�� The DB Handle">DB</a> 45 handle. This priority value is set using the 46 <a class="xref" href="dbset_priority.html" title="DB->set_priority()">DB->set_priority()</a> 47 method. 48 </p> 49 <p> 50 The <code class="methodname">DB->get_priority()</code> method may be called only after the database has been opened. 51 </p> 52 <p> 53 The <code class="methodname">DB->get_priority()</code> <span> 54 <span> 55 method returns a non-zero error value on failure and 0 on success. 56 </span> 57 58 </span> 59 </p> 60 <div class="sect2" lang="en" xml:lang="en"> 61 <div class="titlepage"> 62 <div> 63 <div> 64 <h3 class="title"><a id="id1637809"></a>Parameters</h3> 65 </div> 66 </div> 67 </div> 68 <div class="sect3" lang="en" xml:lang="en"> 69 <div class="titlepage"> 70 <div> 71 <div> 72 <h4 class="title"><a id="id1637779"></a>priorityp</h4> 73 </div> 74 </div> 75 </div> 76 <p> 77 The <code class="methodname">DB->get_priority()</code> 78 method returns a reference to the cache priority 79 in <span class="bold"><strong>priorityp</strong></span>. 80 See <a class="xref" href="dbset_priority.html" title="DB->set_priority()">DB->set_priority()</a> 81 for a list of possible priorities. 82 </p> 83 </div> 84 </div> 85 <div class="sect2" lang="en" xml:lang="en"> 86 <div class="titlepage"> 87 <div> 88 <div> 89 <h3 class="title"><a id="id1637620"></a>Class</h3> 90 </div> 91 </div> 92 </div> 93 <p> 94 <a class="link" href="db.html" title="Chapter��2.�� The DB Handle">DB</a> 95 </p> 96 </div> 97 <div class="sect2" lang="en" xml:lang="en"> 98 <div class="titlepage"> 99 <div> 100 <div> 101 <h3 class="title"><a id="id1637887"></a>See Also</h3> 102 </div> 103 </div> 104 </div> 105 <p> 106 <a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>, 107 <a class="xref" href="dbset_priority.html" title="DB->set_priority()">DB->set_priority()</a> 108 </p> 109 </div> 110 </div> 111 <div class="navfooter"> 112 <hr /> 113 <table width="100%" summary="Navigation footer"> 114 <tr> 115 <td width="40%" align="left"><a accesskey="p" href="dbget_pagesize.html">Prev</a>��</td> 116 <td width="20%" align="center"> 117 <a accesskey="u" href="db.html">Up</a> 118 </td> 119 <td width="40%" align="right">��<a accesskey="n" href="dbget_q_extentsize.html">Next</a></td> 120 </tr> 121 <tr> 122 <td width="40%" align="left" valign="top">DB->get_pagesize()��</td> 123 <td width="20%" align="center"> 124 <a accesskey="h" href="index.html">Home</a> 125 </td> 126 <td width="40%" align="right" valign="top">��DB->get_q_extentsize()</td> 127 </tr> 128 </table> 129 </div> 130 </body> 131</html> 132