<!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> <title>Class Poco::Data::InternalExtraction</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="language" content="en"/> <meta name="date" content="2009-11-24"/> <meta name="generator" content="PocoDoc"/> <link rel="stylesheet" href="css/styles.css" type="text/css"/> </head> <body bgcolor="#ffffff" leftmargin="0" topmargin="0"> <div class="header"> <h1 class="namespace"><a href="Poco.Data.html" class="namespace">Poco::Data</a></h1> <h1 class="template">template < class T, class C = std::vector < T > ></h1> <h1 class="symbol">class InternalExtraction</h1> </div> <div class="body"> <p> <b>Library:</b> Data<br /> <b>Package:</b> DataCore<br /> <b>Header:</b> Poco/Data/Extraction.h</p> <h2>Description</h2> <div class="description"> <p>Vector <a href="Poco.Data.html" title="namespace Poco::Data">Data</a> Type specialization for extraction of values from a query result set. List <a href="Poco.Data.html" title="namespace Poco::Data">Data</a> Type specialization for extraction of values from a query result set. Container <a href="Poco.Data.html" title="namespace Poco::Data">Data</a> Type specialization extension for extraction of values from a query result set. </p> <p>This class is intended for PocoData internal use - it is used by <a href="Poco.Data.StatementImpl.html" title="class Poco::Data::StatementImpl">StatementImpl</a> to automaticaly create internal <a href="Poco.Data.Extraction.html" title="class Poco::Data::Extraction">Extraction</a> in cases when statement returns data and no external storage was supplied. It is later used by <a href="Poco.Data.RecordSet.html" title="class Poco::Data::RecordSet">RecordSet</a> to retrieve the fetched data after statement execution. It takes ownership of the <a href="Poco.Data.Column.html" title="class Poco::Data::Column">Column</a> pointer supplied as constructor argument. <a href="Poco.Data.Column.html" title="class Poco::Data::Column">Column</a> object, in turn owns the data vector pointer. </p> <p><a href="Poco.Data.InternalExtraction.html" title="class Poco::Data::InternalExtraction">InternalExtraction</a> objects can not be copied or assigned. </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b>Extraction < C ></p> <p><b>All Base Classes: </b>Extraction < C ></p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.Data.InternalExtraction.html#2701" title="Poco::Data::InternalExtraction::column()">column</a>, <a href="Poco.Data.InternalExtraction.html#2698" title="Poco::Data::InternalExtraction::reset()">reset</a>, <a href="Poco.Data.InternalExtraction.html#2699" title="Poco::Data::InternalExtraction::value()">value</a></p> <h2>Constructors</h2> <h3><a name="2694">InternalExtraction</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">explicit <a href="Poco.Data.InternalExtraction.html" title="class Poco::Data::InternalExtraction">InternalExtraction</a>(<br /> C & result,<br /> <a href="Poco.Data.Column.html" title="class Poco::Data::Column">Column</a> < T > * pColumn<br />);</p> <div class="description"> <p>Creates <a href="Poco.Data.InternalExtraction.html" title="class Poco::Data::InternalExtraction">InternalExtraction</a>. </p> </div> <h2>Destructor</h2> <h3><a name="2697">~InternalExtraction</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">~<a href="Poco.Data.InternalExtraction.html" title="class Poco::Data::InternalExtraction">InternalExtraction</a>();</p> <div class="description"> <p>Destroys <a href="Poco.Data.InternalExtraction.html" title="class Poco::Data::InternalExtraction">InternalExtraction</a>. </p> </div> <h2>Member Functions</h2> <h3><a name="2701">column</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">const <a href="Poco.Data.Column.html" title="class Poco::Data::Column">Column</a> < T > & column() const;</p> <div class="description"> <p></p> </div> <h3><a name="2698">reset</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">void reset();</p> <div class="description"> <p></p> </div> <h3><a name="2699">value</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">const T & value(<br /> int index<br />) const;</p> <div class="description"> <p></p> </div> <p class="footer">POCO C++ Libraries 1.3.6-all<br /> Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p> </div> </body> </html>
