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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.plan.volcano</a></div>
<h2 title="Class VolcanoPlannerTraitTest" class="title">Class VolcanoPlannerTraitTest</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.plan.volcano.VolcanoPlannerTraitTest</li>
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<pre>public class <span class="typeNameLabel">VolcanoPlannerTraitTest</span>
extends java.lang.Object</pre>
<div class="block">Unit test for handling of traits by <code>VolcanoPlanner</code>.</div>
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<table class="memberSummary">
<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a></span></code></th>
<td class="colLast">
<div class="block">Implementation of <code>RelTrait</code> for testing.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.AltTraitConverter.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTraitConverter</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression that converts between <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.AltTrait</code></a> values.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.AltTraitConverterRule.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTraitConverterRule</a></span></code></th>
<td class="colLast">
<div class="block">Planner rule that converts between <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.AltTrait</code></a>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.AltTraitDef.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTraitDef</a></span></code></th>
<td class="colLast">
<div class="block">Definition of <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.AltTrait</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>(package private) static interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.FooRel.html" title="interface in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.FooRel</a></span></code></th>
<td class="colLast">
<div class="block">A mix-in interface to extend <code>RelNode</code>, for testing.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.IterMergedRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.IterMergedRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with no inputs, that implements the <a href="VolcanoPlannerTraitTest.FooRel.html" title="interface in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.FooRel</code></a>
mix-in interface.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.IterSinglePhysMergeRule.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.IterSinglePhysMergeRule</a></span></code></th>
<td class="colLast">
<div class="block">Planner rule that converts an <a href="VolcanoPlannerTraitTest.IterSingleRel.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.IterSingleRel</code></a> on a
<a href="VolcanoPlannerTraitTest.PhysToIteratorConverter.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.PhysToIteratorConverter</code></a> into a <a href="VolcanoPlannerTraitTest.IterMergedRel.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.IterMergedRel</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.IterSingleRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.IterSingleRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with one input, that implements the <a href="VolcanoPlannerTraitTest.FooRel.html" title="interface in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.FooRel</code></a>
mix-in interface.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.IterSingleRule.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.IterSingleRule</a></span></code></th>
<td class="colLast">
<div class="block">Planner rule to convert a <a href="VolcanoPlannerTraitTest.NoneSingleRel.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.NoneSingleRel</code></a> to ENUMERABLE
convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.IterSingleRule2.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.IterSingleRule2</a></span></code></th>
<td class="colLast">
<div class="block">Another planner rule to convert a <a href="VolcanoPlannerTraitTest.NoneSingleRel.html" title="class in org.apache.calcite.plan.volcano"><code>VolcanoPlannerTraitTest.NoneSingleRel</code></a> to ENUMERABLE
convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.NoneLeafRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.NoneLeafRel</a></span></code></th>
<td class="colLast">
<div class="block">A relational expression with zero inputs, of NONE convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.NoneSingleRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.NoneSingleRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with one input, of NONE convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.NoneTinyLeafRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.NoneTinyLeafRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with zero input, of NONE convention, and tiny cost.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.PhysLeafRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.PhysLeafRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with zero inputs, of PHYS convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.PhysLeafRule.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.PhysLeafRule</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with zero inputs, of the PHYS convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.PhysToIteratorConverter.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.PhysToIteratorConverter</a></span></code></th>
<td class="colLast">
<div class="block">Planner rule that converts PHYS to ENUMERABLE convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.PhysToIteratorConverterRule.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.PhysToIteratorConverterRule</a></span></code></th>
<td class="colLast">
<div class="block">Planner rule that converts from PHYS to ENUMERABLE convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.TestLeafRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.TestLeafRel</a></span></code></th>
<td class="colLast">
<div class="block">A relational expression with zero inputs.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="VolcanoPlannerTraitTest.TestSingleRel.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.TestSingleRel</a></span></code></th>
<td class="colLast">
<div class="block">Relational expression with one input.</div>
</td>
</tr>
</table>
</li>
</ul>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ALT_EMPTY_TRAIT">ALT_EMPTY_TRAIT</a></span></code></th>
<td class="colLast">
<div class="block">Private alternate trait.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ALT_TRAIT">ALT_TRAIT</a></span></code></th>
<td class="colLast">
<div class="block">Private alternate trait.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static <a href="VolcanoPlannerTraitTest.AltTraitDef.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTraitDef</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ALT_TRAIT_DEF">ALT_TRAIT_DEF</a></span></code></th>
<td class="colLast">
<div class="block">Private trait definition for an alternate type of traits.</div>
</td>
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<td class="colFirst"><code>private static <a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ALT_TRAIT2">ALT_TRAIT2</a></span></code></th>
<td class="colLast">
<div class="block">Private alternate trait.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#altTraitOrdinal">altTraitOrdinal</a></span></code></th>
<td class="colLast">
<div class="block">Ordinal count for alternate traits (so they can implement equals() and
avoid being canonized into the same trait).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static org.apache.calcite.plan.Convention</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#PHYS_CALLING_CONVENTION">PHYS_CALLING_CONVENTION</a></span></code></th>
<td class="colLast">
<div class="block">Private calling convention representing a generic "physical" calling
convention.</div>
</td>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">VolcanoPlannerTraitTest</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#testDoubleConversion()">testDoubleConversion</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#testPlanWithNoneConvention()">testPlanWithNoneConvention</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#testRuleMatchAfterConversion()">testRuleMatchAfterConversion</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#testTraitPropagation()">testTraitPropagation</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>PHYS_CALLING_CONVENTION</h4>
<pre>private static final&nbsp;org.apache.calcite.plan.Convention PHYS_CALLING_CONVENTION</pre>
<div class="block">Private calling convention representing a generic "physical" calling
convention.</div>
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<h4>ALT_TRAIT_DEF</h4>
<pre>private static final&nbsp;<a href="VolcanoPlannerTraitTest.AltTraitDef.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTraitDef</a> ALT_TRAIT_DEF</pre>
<div class="block">Private trait definition for an alternate type of traits.</div>
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<h4>ALT_EMPTY_TRAIT</h4>
<pre>private static final&nbsp;<a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a> ALT_EMPTY_TRAIT</pre>
<div class="block">Private alternate trait.</div>
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<h4>ALT_TRAIT</h4>
<pre>private static final&nbsp;<a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a> ALT_TRAIT</pre>
<div class="block">Private alternate trait.</div>
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<pre>private static final&nbsp;<a href="VolcanoPlannerTraitTest.AltTrait.html" title="class in org.apache.calcite.plan.volcano">VolcanoPlannerTraitTest.AltTrait</a> ALT_TRAIT2</pre>
<div class="block">Private alternate trait.</div>
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<pre>private static&nbsp;int altTraitOrdinal</pre>
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avoid being canonized into the same trait).</div>
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<pre>public&nbsp;VolcanoPlannerTraitTest()</pre>
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