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>DbEnv::txn_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="txn.html" title="Chapter 13. The DbTxn Handle" /> 11 <link rel="prev" href="txnstat.html" title="DbEnv::txn_stat()" /> 12 <link rel="next" href="utilities.html" title="Appendix 1. Berkeley DB Command Line Utilities" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DbEnv::txn_stat_print()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="txnstat.html">Prev</a> </td> 22 <th width="60%" align="center">Chapter 13. 23 The DbTxn Handle 24 </th> 25 <td width="20%" align="right"> <a accesskey="n" href="utilities.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="txnstat_print"></a>DbEnv::txn_stat_print()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db_cxx.h> 39 40int 41DbEnv::txn_stat_print(u_int32_t flags);</pre> 42 <p> 43 The <code class="methodname">DbEnv::txn_stat_print()</code> method displays the transaction 44 subsystem statistical information, as described for the 45 <code class="methodname">DbEnv::txn_stat()</code> method. The information is printed to a specified 46 output channel (see the <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 <a class="xref" href="envset_msgcall.html" title="DbEnv::set_msgcall()">DbEnv::set_msgcall()</a> 49 method for more information). 50 </p> 51 <p> 52 The <code class="methodname">DbEnv::txn_stat_print()</code> method may not be called before the 53 <a class="xref" href="envopen.html" title="DbEnv::open()">DbEnv::open()</a> method is 54 called. 55 </p> 56 <p> 57 The <code class="methodname">DbEnv::txn_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="id1716275"></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="id1716278"></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> 91 <code class="literal">DB_STAT_ALL</code> 92 </p> 93 <p> 94 Display all available information. 95 </p> 96 </li> 97 <li> 98 <p> 99 <code class="literal">DB_STAT_CLEAR</code> 100 </p> 101 <p> 102 Reset statistics after displaying their values. 103 </p> 104 </li> 105 </ul> 106 </div> 107 </div> 108 </div> 109 <div class="sect2" lang="en" xml:lang="en"> 110 <div class="titlepage"> 111 <div> 112 <div> 113 <h3 class="title"><a id="id1716769"></a>Class</h3> 114 </div> 115 </div> 116 </div> 117 <p> 118 <a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>, <a class="link" href="txn.html" title="Chapter 13. The DbTxn Handle">DbTxn</a> 119 </p> 120 </div> 121 <div class="sect2" lang="en" xml:lang="en"> 122 <div class="titlepage"> 123 <div> 124 <div> 125 <h3 class="title"><a id="id1716530"></a>See Also</h3> 126 </div> 127 </div> 128 </div> 129 <p> 130 <a class="xref" href="txn.html#txnlist" title="Transaction Subsystem and Related Methods">Transaction Subsystem and Related Methods</a> 131 </p> 132 </div> 133 </div> 134 <div class="navfooter"> 135 <hr /> 136 <table width="100%" summary="Navigation footer"> 137 <tr> 138 <td width="40%" align="left"><a accesskey="p" href="txnstat.html">Prev</a> </td> 139 <td width="20%" align="center"> 140 <a accesskey="u" href="txn.html">Up</a> 141 </td> 142 <td width="40%" align="right"> <a accesskey="n" href="utilities.html">Next</a></td> 143 </tr> 144 <tr> 145 <td width="40%" align="left" valign="top">DbEnv::txn_stat() </td> 146 <td width="20%" align="center"> 147 <a accesskey="h" href="index.html">Home</a> 148 </td> 149 <td width="40%" align="right" valign="top"> Appendix 1. 150 Berkeley DB Command Line Utilities 151 </td> 152 </tr> 153 </table> 154 </div> 155 </body> 156</html> 157