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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 <<a class="el" href="sqludr_8h_source.html">sqludr.h</a>></code></p> |
| <div class="dynheader"> |
| Inheritance diagram for tmudr::CardinalityConstraintInfo:</div> |
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| <img src="classtmudr_1_1CardinalityConstraintInfo.gif" usemap="#tmudr::CardinalityConstraintInfo_map" alt=""/> |
| <map id="tmudr::CardinalityConstraintInfo_map" name="tmudr::CardinalityConstraintInfo_map"> |
| <area href="classtmudr_1_1ConstraintInfo.html" alt="tmudr::ConstraintInfo" shape="rect" coords="0,0,188,24"/> |
| </map> |
| </div> |
| </div> |
| <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"> </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 </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 </td><td class="memItemRight" valign="bottom"><a class="el" href="classtmudr_1_1CardinalityConstraintInfo.html#a00601c3f04c4bf11efb94f8d2425af10">getMaxNumRows</a> () const </td></tr> |
| </table> |
| <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 & Destructor Documentation</h2> |
| <a class="anchor" id="aa25bef11164f258550666409889986aa"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::CardinalityConstraintInfo" ref="aa25bef11164f258550666409889986aa" args="(long minNumRows=0, long maxNumRows=-1)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">CardinalityConstraintInfo::CardinalityConstraintInfo </td> |
| <td>(</td> |
| <td class="paramtype">long </td> |
| <td class="paramname"> <em>minNumRows</em> = <code>0</code>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">long </td> |
| <td class="paramname"> <em>maxNumRows</em> = <code>-1</code></td><td> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td><td></td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <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> </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> </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> |
| </table> |
| </dd> |
| </dl> |
| <dl><dt><b>Exceptions:</b></dt><dd> |
| <table border="0" cellspacing="2" cellpadding="0"> |
| <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> </td><td></td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <hr/><h2>Member Function Documentation</h2> |
| <a class="anchor" id="a00601c3f04c4bf11efb94f8d2425af10"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::getMaxNumRows" ref="a00601c3f04c4bf11efb94f8d2425af10" args="() const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">long CardinalityConstraintInfo::getMaxNumRows </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <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> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a56857ab936894a5e38302e1ab52c4373"></a><!-- doxytag: member="tmudr::CardinalityConstraintInfo::getMinNumRows" ref="a56857ab936894a5e38302e1ab52c4373" args="() const " --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">long CardinalityConstraintInfo::getMinNumRows </td> |
| <td>(</td> |
| <td class="paramname"></td> |
| <td> ) </td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div> |
| <div class="memdoc"> |
| <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> |
| |
| </div> |
| </div> |
| <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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