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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>dbQueryElementAllocator class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.15 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </center><hr><h1>dbQueryElementAllocator Class Reference</h1><code>#include <<a class="el" href="query_8h-source.html">query.h</a>></code><p><a href="classdbQueryElementAllocator-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0><tr><td colspan=2><br><h2>Public Methods</h2></td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatora0" doxytag="dbQueryElementAllocator::deallocate"></a>void </td><td valign=bottom><b>deallocate</b> (<a class="el" href="classdbQueryElement.html">dbQueryElement</a> *first, <a class="el" href="classdbQueryElement.html">dbQueryElement</a> **lastNext)</td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatora1" doxytag="dbQueryElementAllocator::allocate"></a>void * </td><td valign=bottom><b>allocate</b> (size_t size)</td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatora2" doxytag="dbQueryElementAllocator::dbQueryElementAllocator"></a> </td><td valign=bottom><b>dbQueryElementAllocator</b> ()</td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatora3" doxytag="dbQueryElementAllocator::~dbQueryElementAllocator"></a> </td><td valign=bottom><b>~dbQueryElementAllocator</b> ()</td></tr><tr><td colspan=2><br><h2>Static Public Attributes</h2></td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatorp0" doxytag="dbQueryElementAllocator::instance"></a>dbQueryElementAllocator </td><td valign=bottom><b>instance</b></td></tr><tr><td colspan=2><br><h2>Friends</h2></td></tr><tr><td nowrap align=right valign=top><a name="dbQueryElementAllocatorl0" doxytag="dbQueryElementAllocator::dbDatabase"></a>class </td><td valign=bottom><a class="el" href="classdbDatabase.html#dbQueryElementAllocatorl0">dbDatabase</a></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>Allocator of query elements. This class links deallocated elements in the list of free elements, and reused them in future. So number of system memory allocator invocations is dramatically reduced. Cleanup of free elements lst is performed by <code><a class="el" href="classdbDatabase.html#dbSubSqld0">dbDatabase::cleanup</a>()</code> method <p><hr>The documentation for this class was generated from the following file:<ul><li><a class="el" href="query_8h-source.html">query.h</a></ul><hr><address align="right"><small>Generated on Fri Nov 15 21:06:30 2002 for FastDB by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.15 </small></address></body></html>⌨️ 快捷键说明
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