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<title>tmudr: tmudr::CardinalityConstraintInfo Class Reference</title>
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<div class="navpath"><b>tmudr</b>::<a class="el" href="classtmudr_1_1CardinalityConstraintInfo.html">CardinalityConstraintInfo</a>
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<h1>tmudr::CardinalityConstraintInfo Class Reference</h1><!-- doxytag: class="tmudr::CardinalityConstraintInfo" --><!-- doxytag: inherits="tmudr::ConstraintInfo" -->
<p>A cardinality constraint.
<a href="#_details">More...</a></p>
<p><code>#include &lt;<a class="el" href="sqludr_8h_source.html">sqludr.h</a>&gt;</code></p>
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Inheritance diagram for tmudr::CardinalityConstraintInfo:</div>
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<area href="classtmudr_1_1ConstraintInfo.html" alt="tmudr::ConstraintInfo" shape="rect" coords="0,0,188,24"/>
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<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtmudr_1_1CardinalityConstraintInfo.html#aa25bef11164f258550666409889986aa">CardinalityConstraintInfo</a> (long minNumRows=0, long maxNumRows=-1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtmudr_1_1CardinalityConstraintInfo.html#a56857ab936894a5e38302e1ab52c4373">getMinNumRows</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtmudr_1_1CardinalityConstraintInfo.html#a00601c3f04c4bf11efb94f8d2425af10">getMaxNumRows</a> () const </td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>A cardinality constraint. </p>
<p>Upper and/or lower bounds for the cardinality of a table. Note that unlike cardinality estimates, this is a hard constraint that must be followed by the table, otherwise incorrect results and errors may occur. </p>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="aa25bef11164f258550666409889986aa"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::CardinalityConstraintInfo" ref="aa25bef11164f258550666409889986aa" args="(long minNumRows=0, long maxNumRows=&#45;1)" -->
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<td class="memname">CardinalityConstraintInfo::CardinalityConstraintInfo </td>
<td>(</td>
<td class="paramtype">long&nbsp;</td>
<td class="paramname"> <em>minNumRows</em> = <code>0</code>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long&nbsp;</td>
<td class="paramname"> <em>maxNumRows</em> = <code>-1</code></td><td>&nbsp;</td>
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<td>)</td>
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<p>Construct a new cardinality constraint.</p>
<p>A cardinality constraint allows to specify a lower and/or an upper limit for the number of rows in a table.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>minNumRows</em>&nbsp;</td><td>The minimum number of rows in the table, 0 or a positive number. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>maxNumRows</em>&nbsp;</td><td>The maximum number of rows in the table, or -1 if there is no upper bound. If it is not -1, maxNumRows must be greater or equal minNumRows. </td></tr>
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<dl><dt><b>Exceptions:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em><a class="el" href="classtmudr_1_1UDRException.html" title="This is the exception to throw when an error occurs in a UDR.">UDRException</a></em>&nbsp;</td><td></td></tr>
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</dd>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a00601c3f04c4bf11efb94f8d2425af10"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::getMaxNumRows" ref="a00601c3f04c4bf11efb94f8d2425af10" args="() const " -->
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<td class="memname">long CardinalityConstraintInfo::getMaxNumRows </td>
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<td>&nbsp;)&nbsp;</td>
<td> const</td>
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<p>Return the maximum number of rows in a table.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>Maximum number of rows or -1 if there is no upper bound. </dd></dl>
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<a class="anchor" id="a56857ab936894a5e38302e1ab52c4373"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::getMinNumRows" ref="a56857ab936894a5e38302e1ab52c4373" args="() const " -->
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<td class="memname">long CardinalityConstraintInfo::getMinNumRows </td>
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<td class="paramname"></td>
<td>&nbsp;)&nbsp;</td>
<td> const</td>
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<p>Return the minimum number of rows in a table.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>Minimum number of rows (0 or a positive number). </dd></dl>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="sqludr_8h_source.html">sqludr.h</a></li>
<li>sqludr.cpp</li>
</ul>
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