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::stat_print()</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="dbstat.html" title="Db::stat()" /> 12 <link rel="next" href="dbsync.html" title="Db::sync()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">Db::stat_print()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="dbstat.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="dbsync.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="dbstat_print"></a>Db::stat_print()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db_cxx.h> 39 40int 41Db::stat_print(u_int32_t flags);</pre> 42 <p> 43 The <code class="methodname">Db::stat_print()</code> method displays the database statistical 44 information, as described for the <code class="methodname">Db::stat()</code> method. The information 45 is printed to a specified output channel (see the 46 <a class="xref" href="envset_msgfile.html" title="DbEnv::set_msgfile()">DbEnv::set_msgfile()</a> 47 method for more information), or passed to an application callback 48 function (see the 49 <a class="xref" href="envset_msgcall.html" title="DbEnv::set_msgcall()">DbEnv::set_msgcall()</a> 50 method for more information). 51 </p> 52 <p> 53 The <code class="methodname">Db::stat_print()</code> method may not be called before the 54 <a class="xref" href="dbopen.html" title="Db::open()">Db::open()</a> method is called. 55 </p> 56 <p> 57 The <code class="methodname">Db::stat_print()</code> <span> 58 59 <span> 60 method either returns a non-zero error value or throws an 61 exception that encapsulates a non-zero error value on 62 failure, and returns 0 on success. 63 </span> 64 </span> 65 </p> 66 <div class="sect2" lang="en" xml:lang="en"> 67 <div class="titlepage"> 68 <div> 69 <div> 70 <h3 class="title"><a id="id1653006"></a>Parameters</h3> 71 </div> 72 </div> 73 </div> 74 <div class="sect3" lang="en" xml:lang="en"> 75 <div class="titlepage"> 76 <div> 77 <div> 78 <h4 class="title"><a id="id1653014"></a>flags</h4> 79 </div> 80 </div> 81 </div> 82 <p> 83 The <span class="bold"><strong>flags</strong></span> parameter must be set to 0 84 or by bitwise inclusively <span class="bold"><strong>OR</strong></span>'ing 85 together one or more of the following values: 86 </p> 87 <div class="itemizedlist"> 88 <ul type="disc"> 89 <li> 90 <p><a id="stat_print_DB_FAST_STAT"></a> 91 <code class="literal">DB_FAST_STAT</code> 92 </p> 93 <p> 94 Return only the values which do not require traversal of the database. 95 Among other things, this flag makes it possible for applications to 96 request key and record counts without incurring the performance 97 penalty of traversing the entire database. 98 </p> 99 </li> 100 <li> 101 <p><a id="stat_print_DB_STAT_ALL"></a> 102 <code class="literal">DB_STAT_ALL</code> 103 </p> 104 <p> 105 Display all available information. 106 </p> 107 </li> 108 </ul> 109 </div> 110 </div> 111 </div> 112 <div class="sect2" lang="en" xml:lang="en"> 113 <div class="titlepage"> 114 <div> 115 <div> 116 <h3 class="title"><a id="id1653241"></a>Class</h3> 117 </div> 118 </div> 119 </div> 120 <p> 121 <a class="link" href="db.html" title="Chapter 2. The Db Handle">Db</a> 122 </p> 123 </div> 124 <div class="sect2" lang="en" xml:lang="en"> 125 <div class="titlepage"> 126 <div> 127 <div> 128 <h3 class="title"><a id="id1653009"></a>See Also</h3> 129 </div> 130 </div> 131 </div> 132 <p> 133 <a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a> 134 </p> 135 </div> 136 </div> 137 <div class="navfooter"> 138 <hr /> 139 <table width="100%" summary="Navigation footer"> 140 <tr> 141 <td width="40%" align="left"><a accesskey="p" href="dbstat.html">Prev</a> </td> 142 <td width="20%" align="center"> 143 <a accesskey="u" href="db.html">Up</a> 144 </td> 145 <td width="40%" align="right"> <a accesskey="n" href="dbsync.html">Next</a></td> 146 </tr> 147 <tr> 148 <td width="40%" align="left" valign="top">Db::stat() </td> 149 <td width="20%" align="center"> 150 <a accesskey="h" href="index.html">Home</a> 151 </td> 152 <td width="40%" align="right" valign="top"> Db::sync()</td> 153 </tr> 154 </table> 155 </div> 156 </body> 157</html> 158