<!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::SQLite::Extractor</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.SQLite.html" class="namespace">Poco::Data::SQLite</a></h1> <h1 class="symbol">class Extractor</h1> </div> <div class="body"> <p> <b>Library:</b> Data/SQLite<br /> <b>Package:</b> SQLite<br /> <b>Header:</b> Poco/Data/SQLite/Extractor.h</p> <h2>Description</h2> <div class="description"> <p>Extracts and converts data values form the result row returned by <a href="Poco.Data.SQLite.html" title="namespace Poco::Data::SQLite">SQLite</a>. If NULL is received, the incoming val value is not changed and false is returned </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b><a href="Poco.Data.AbstractExtractor.html" title="class Poco::Data::AbstractExtractor">Poco::Data::AbstractExtractor</a></p> <p><b>All Base Classes: </b><a href="Poco.Data.AbstractExtractor.html" title="class Poco::Data::AbstractExtractor">Poco::Data::AbstractExtractor</a></p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.Data.SQLite.Extractor.html#1332" title="Poco::Data::SQLite::Extractor::extract()">extract</a></p> <p><b>Inherited Functions: </b><a href="Poco.Data.AbstractExtractor.html#2159" title="Poco::Data::AbstractExtractor::extract()">extract</a></p> <h2>Constructors</h2> <h3><a name="1329">Extractor</a></h3> <p class="decl"><a href="Poco.Data.SQLite.Extractor.html" title="class Poco::Data::SQLite::Extractor">Extractor</a>(<br /> sqlite3_stmt * pStmt<br />);</p> <div class="description"> <p>Creates the <a href="Poco.Data.SQLite.Extractor.html" title="class Poco::Data::SQLite::Extractor">Extractor</a>. </p> </div> <h2>Destructor</h2> <h3><a name="1331">~Extractor</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">~<a href="Poco.Data.SQLite.Extractor.html" title="class Poco::Data::SQLite::Extractor">Extractor</a>();</p> <div class="description"> <p>Destroys the <a href="Poco.Data.SQLite.Extractor.html" title="class Poco::Data::SQLite::Extractor">Extractor</a>. </p> </div> <h2>Member Functions</h2> <h3><a name="1332">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11349" title="Poco::Int8">Poco::Int8</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11349" title="Poco::Int8">Int8</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2159" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1335">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11350" title="Poco::UInt8">Poco::UInt8</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11350" title="Poco::UInt8">UInt8</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2162" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1338">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11351" title="Poco::Int16">Poco::Int16</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11351" title="Poco::Int16">Int16</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2165" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1341">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11352" title="Poco::UInt16">Poco::UInt16</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11352" title="Poco::UInt16">UInt16</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2168" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1344">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11353" title="Poco::Int32">Poco::Int32</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11353" title="Poco::Int32">Int32</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2171" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1347">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11354" title="Poco::UInt32">Poco::UInt32</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11354" title="Poco::UInt32">UInt32</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2174" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1350">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11357" title="Poco::Int64">Poco::Int64</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11357" title="Poco::Int64">Int64</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2177" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1353">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.html#11358" title="Poco::UInt64">Poco::UInt64</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.html#11358" title="Poco::UInt64">UInt64</a>. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2180" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1356">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> bool & val<br />);</p> <div class="description"> <p>Extracts a boolean. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2183" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1359">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> float & val<br />);</p> <div class="description"> <p>Extracts a float. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2186" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1362">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> double & val<br />);</p> <div class="description"> <p>Extracts a double. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2189" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1365">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> char & val<br />);</p> <div class="description"> <p>Extracts a single character. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2192" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1368">extract</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> std::string & val<br />);</p> <div class="description"> <p>Extracts a string. </p> </div> <div class="description"><p><b>See also:</b> <a href="Poco.Data.AbstractExtractor.html#2195" title="Poco::Data::AbstractExtractor::extract()">Poco::Data::AbstractExtractor::extract()</a></p></div> <h3><a name="1371">extract</a></h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.Data.BLOB.html" title="class Poco::Data::BLOB">Poco::Data::BLOB</a> & val<br />);</p> <div class="description"> <p>Extracts a <a href="Poco.Data.BLOB.html" title="class Poco::Data::BLOB">BLOB</a>. </p> </div> <h3><a name="1374">extract</a></h3> <p class="decl">bool extract(<br /> std::size_t pos,<br /> <a href="Poco.Any.html" title="class Poco::Any">Poco::Any</a> & val<br />);</p> <div class="description"> <p>Extracts an <a href="Poco.Any.html" title="class Poco::Any">Any</a>. </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>
