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<title>Class Poco::Data::Limit</title>
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<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
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<meta name="date" content="2009-11-24"/>
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<h1 class="namespace"><a href="Poco.Data.html" class="namespace">Poco::Data</a></h1>
<h1 class="symbol">class Limit</h1>
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<p>
<b>Library:</b> Data<br />
<b>Package:</b> DataCore<br />
<b>Header:</b> Poco/Data/Limit.h</p>
<h2>Description</h2>
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<p><a href="Poco.Data.Limit.html" title="class Poco::Data::Limit">Limit</a> stores information how many rows a query should return. </p>
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<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.Data.Limit.html#2722" title="Poco::Data::Limit::isHardLimit()">isHardLimit</a>, <a href="Poco.Data.Limit.html#2723" title="Poco::Data::Limit::isLowerLimit()">isLowerLimit</a>, <a href="Poco.Data.Limit.html#2721" title="Poco::Data::Limit::value()">value</a></p>
<h2>Enumerations</h2>
<h3><i>Anonymous</i></h3>
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<p></p>
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<p class="decl"><a name="2715">LIMIT_UNLIMITED</a> = 0xffffffffu</p>
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<p></p>
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<h2>Constructors</h2>
<h3><a name="2716">Limit</a></h3>
<p class="decl"><a href="Poco.Data.Limit.html" title="class Poco::Data::Limit">Limit</a>(<br /> <a href="Poco.html#11354" title="Poco::UInt32">Poco::UInt32</a> value,<br /> bool hardLimit,<br /> bool isLowerLimit<br />);</p>
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<p>Creates the <a href="Poco.Data.Limit.html" title="class Poco::Data::Limit">Limit</a>. </p>
<p>Value contains the upper row hint, if hardLimit is set to true, the limit acts as a hard border, ie. every query must return exactly value rows, returning more than value objects will throw an exception! LowerLimits always act as hard-limits! </p>
<p>A value of <a href="Poco.Data.Limit.html#2715" title="Poco::Data::Limit::LIMIT_UNLIMITED">LIMIT_UNLIMITED</a> disables the limit. </p>
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<h2>Destructor</h2>
<h3><a name="2720">~Limit</a></h3>
<p class="decl">~<a href="Poco.Data.Limit.html" title="class Poco::Data::Limit">Limit</a>();</p>
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<p>Destroys the <a href="Poco.Data.Limit.html" title="class Poco::Data::Limit">Limit</a>. </p>
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<h2>Member Functions</h2>
<h3><a name="2722">isHardLimit</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool isHardLimit() const;</p>
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<p>Returns true if the limit is a hard limit. </p>
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<h3><a name="2723">isLowerLimit</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool isLowerLimit() const;</p>
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<p>Returns true if the limit is a lower limit, otherwise it is an upperLimit </p>
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<h3><a name="2721">value</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl"><a href="Poco.html#11354" title="Poco::UInt32">Poco::UInt32</a> value() const;</p>
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<p>Returns the value of the limit </p>
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<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>
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