1<!--$Id: memp.so,v 1.3 2007/04/05 21:19:32 bostic Exp $--> 2<!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> 3<!--See the file LICENSE for redistribution information.--> 4<html> 5<head> 6<title>Berkeley DB Reference Guide: Release 4.5: Memory Pool API</title> 7<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> 8<meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> 9</head> 10<body bgcolor=white> 11<table width="100%"><tr valign=top> 12<td><b><dl><dt>Berkeley DB Reference Guide:<dd>Upgrading Berkeley DB Applications</dl></b></td> 13<td align=right><a href="/upgrade.4.5/rep_event.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.4.5/paniccall.html"><img src="/images/next.gif" alt="Next"></a> 14</td></tr></table> 15<p align=center><b>Release 4.5: Memory Pool API</b></p> 16<p>As part of implementing support for multi-version concurrency control, 17the <a href="/api_c/memp_fget.html#DB_MPOOL_DIRTY">DB_MPOOL_DIRTY</a> flag is now specified to the 18<a href="/api_c/memp_fget.html">DB_MPOOLFILE->get</a> method instead of <a href="/api_c/memp_fput.html">DB_MPOOLFILE->put</a>, and the 19DB_MPOOLFILE->set method has been removed. In addition, a new 20transaction handle parameter has been added to the <a href="/api_c/memp_fget.html">DB_MPOOLFILE->get</a> method.</p> 21<p>The DB_MPOOL_CLEAN flag is no longer supported.</p> 22<p>Applications which use the memory pool API directly should update to 23the new API in order to use 4.5.</p> 24<table width="100%"><tr><td><br></td><td align=right><a href="/upgrade.4.5/rep_event.html"><img src="/images/prev.gif" alt="Prev"></a><a href="/toc.html"><img src="/images/ref.gif" alt="Ref"></a><a href="/upgrade.4.5/paniccall.html"><img src="/images/next.gif" alt="Next"></a> 25</td></tr></table> 26<p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> 27</body> 28</html> 29
