diff options
| author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2015-02-17 17:25:57 +0000 |
|---|---|---|
| committer | <> | 2015-03-17 16:26:24 +0000 |
| commit | 780b92ada9afcf1d58085a83a0b9e6bc982203d1 (patch) | |
| tree | 598f8b9fa431b228d29897e798de4ac0c1d3d970 /docs/api_reference/C/envset_data_len.html | |
| parent | 7a2660ba9cc2dc03a69ddfcfd95369395cc87444 (diff) | |
| download | berkeleydb-master.tar.gz | |
Diffstat (limited to 'docs/api_reference/C/envset_data_len.html')
| -rw-r--r-- | docs/api_reference/C/envset_data_len.html | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/docs/api_reference/C/envset_data_len.html b/docs/api_reference/C/envset_data_len.html new file mode 100644 index 00000000..252b9dc8 --- /dev/null +++ b/docs/api_reference/C/envset_data_len.html @@ -0,0 +1,165 @@ +<?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_ENV->set_data_len()</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="env.html" title="Chapter 5. The DB_ENV Handle" /> + <link rel="prev" href="envset_data_dir.html" title="DB_ENV->set_data_dir()" /> + <link rel="next" href="envset_create_dir.html" title="DB_ENV->set_create_dir()" /> + </head> + <body> + <div xmlns="" class="navheader"> + <div class="libver"> + <p>Library Version 12.1.6.1</p> + </div> + <table width="100%" summary="Navigation header"> + <tr> + <th colspan="3" align="center">DB_ENV->set_data_len()</th> + </tr> + <tr> + <td width="20%" align="left"><a accesskey="p" href="envset_data_dir.html">Prev</a> </td> + <th width="60%" align="center">Chapter 5. + The DB_ENV Handle + </th> + <td width="20%" align="right"> <a accesskey="n" href="envset_create_dir.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="envset_data_len"></a>DB_ENV->set_data_len()</h2> + </div> + </div> + </div> + <pre class="programlisting">#include <db.h> + +int +DB_ENV->set_data_len(DB_ENV *dbenv, u_int32_t bytes); </pre> + <p> + Limits the amount of data displayed when + <a class="xref" href="lockstat_print.html" title="DB_ENV->lock_stat_print()">DB_ENV->lock_stat_print()</a> + is called with the <code class="literal">DB_STAT_ALL</code> or + <code class="literal">DB_STAT_LOCK_OBJECTS</code> flag. + </p> + <p> + This method is explicitly called in the + <a class="xref" href="db_printlog.html" title="db_printlog">db_printlog</a> + and + <a class="xref" href="db_dump.html" title="db_dump">db_dump</a> utilities when using the + <span class="bold"><strong>-D</strong></span> command line option. When + used in this manner it will set the maximum number of bytes to + display for each key/data item. These utilities run in their own + environment context. + </p> + <p> + If you want to call this method from the primary application and + have it set the maximum number of bytes to display for each + key/data item, then you must bring the db_dump/db_printlog code + into the primary application and ensure that the same environment + handle is used throughout. + </p> + <p> + This limit may also be configured + using the environment's <a href="../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class="olink">DB_CONFIG</a> file. In this case, the limit + will equally affect your application code, as well as the command + line utilities noted above without modification to their code. The + syntax of the entry in that file is a single line with the string + "set_data_len", one or more whitespace characters, and the limit + in bytes that you want to set. + </p> + <p> + The <code class="methodname">DB_ENV->set_data_len()</code> method + configures operations performed using the specified + <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a> handle, not all operations + performed on the underlying database environment. + </p> + <p> + The <code class="methodname">DB_ENV->set_data_len()</code> method may be + called at any time during the life of the application. + </p> + <p> + The <code class="methodname">DB_ENV->set_data_len()</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> + <h3 class="title"><a id="idp1503648"></a>Parameters</h3> + </div> + </div> + </div> + <div class="sect3" lang="en" xml:lang="en"> + <div class="titlepage"> + <div> + <div> + <h4 class="title"><a id="idp1503840"></a>bytes</h4> + </div> + </div> + </div> + <p> + The <span class="bold"><strong>bytes</strong></span> parameter + identifies the maximum number of bytes to display when + dumping the database or printing the log. + The value specified here must be greater than + <code class="literal">0</code>. + </p> + </div> + </div> + <div class="sect2" lang="en" xml:lang="en"> + <div class="titlepage"> + <div> + <div> + <h3 class="title"><a id="idp1485328"></a>Class</h3> + </div> + </div> + </div> + <p> + <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a> + </p> + </div> + <div class="sect2" lang="en" xml:lang="en"> + <div class="titlepage"> + <div> + <div> + <h3 class="title"><a id="idp1425000"></a>See Also</h3> + </div> + </div> + </div> + <p> + <a class="xref" href="env.html#envlist" title="Database Environments and Related Methods">Database Environments and Related Methods</a> + </p> + </div> + </div> + <div class="navfooter"> + <hr /> + <table width="100%" summary="Navigation footer"> + <tr> + <td width="40%" align="left"><a accesskey="p" href="envset_data_dir.html">Prev</a> </td> + <td width="20%" align="center"> + <a accesskey="u" href="env.html">Up</a> + </td> + <td width="40%" align="right"> <a accesskey="n" href="envset_create_dir.html">Next</a></td> + </tr> + <tr> + <td width="40%" align="left" valign="top">DB_ENV->set_data_dir() </td> + <td width="20%" align="center"> + <a accesskey="h" href="index.html">Home</a> + </td> + <td width="40%" align="right" valign="top"> DB_ENV->set_create_dir()</td> + </tr> + </table> + </div> + </body> +</html> |