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<h1 title="程序包" class="title">程序包&nbsp;org.apache.calcite.rel.logical</h1>
<div class="docSummary">
<div class="block">Defines logical relational expressions.</div>
</div>
<p>请参阅:&nbsp;<a href="#package.description">说明</a></p>
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<table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="类概要表, 列表类和解释">
<caption><span>类概要</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">类</th>
<th class="colLast" scope="col">说明</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalAggregate.html" title="org.apache.calcite.rel.logical中的类">LogicalAggregate</a></td>
<td class="colLast">
<div class="block"><code>LogicalAggregate</code> is a relational operator which eliminates
duplicates and computes totals.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalCalc.html" title="org.apache.calcite.rel.logical中的类">LogicalCalc</a></td>
<td class="colLast">
<div class="block">A relational expression which computes project expressions and also filters.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalCorrelate.html" title="org.apache.calcite.rel.logical中的类">LogicalCorrelate</a></td>
<td class="colLast">
<div class="block">A relational operator that performs nested-loop joins.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalExchange.html" title="org.apache.calcite.rel.logical中的类">LogicalExchange</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Exchange.html" title="org.apache.calcite.rel.core中的类"><code>Exchange</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalFilter.html" title="org.apache.calcite.rel.logical中的类">LogicalFilter</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="org.apache.calcite.rel.core中的类"><code>Filter</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalIntersect.html" title="org.apache.calcite.rel.logical中的类">LogicalIntersect</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Intersect.html" title="org.apache.calcite.rel.core中的类"><code>Intersect</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalJoin.html" title="org.apache.calcite.rel.logical中的类">LogicalJoin</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Join.html" title="org.apache.calcite.rel.core中的类"><code>Join</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalMatch.html" title="org.apache.calcite.rel.logical中的类">LogicalMatch</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Match.html" title="org.apache.calcite.rel.core中的类"><code>Match</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalMinus.html" title="org.apache.calcite.rel.logical中的类">LogicalMinus</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Minus.html" title="org.apache.calcite.rel.core中的类"><code>Minus</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalProject.html" title="org.apache.calcite.rel.logical中的类">LogicalProject</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类"><code>Project</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
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<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalRepeatUnion.html" title="org.apache.calcite.rel.logical中的类">LogicalRepeatUnion</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/RepeatUnion.html" title="org.apache.calcite.rel.core中的类"><code>RepeatUnion</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalSnapshot.html" title="org.apache.calcite.rel.logical中的类">LogicalSnapshot</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Snapshot.html" title="org.apache.calcite.rel.core中的类"><code>Snapshot</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
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<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalSort.html" title="org.apache.calcite.rel.logical中的类">LogicalSort</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="org.apache.calcite.rel.core中的类"><code>Sort</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalSortExchange.html" title="org.apache.calcite.rel.logical中的类">LogicalSortExchange</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/SortExchange.html" title="org.apache.calcite.rel.core中的类"><code>SortExchange</code></a> not
targeted at any particular engine or calling convention.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalTableFunctionScan.html" title="org.apache.calcite.rel.logical中的类">LogicalTableFunctionScan</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/TableFunctionScan.html" title="org.apache.calcite.rel.core中的类"><code>TableFunctionScan</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalTableModify.html" title="org.apache.calcite.rel.logical中的类">LogicalTableModify</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/TableModify.html" title="org.apache.calcite.rel.core中的类"><code>TableModify</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalTableScan.html" title="org.apache.calcite.rel.logical中的类">LogicalTableScan</a></td>
<td class="colLast">
<div class="block">A <code>LogicalTableScan</code> reads all the rows from a
<a href="../../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalTableSpool.html" title="org.apache.calcite.rel.logical中的类">LogicalTableSpool</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/TableSpool.html" title="org.apache.calcite.rel.core中的类"><code>TableSpool</code></a> not targeted at any particular engine or
calling convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalUnion.html" title="org.apache.calcite.rel.logical中的类">LogicalUnion</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Union.html" title="org.apache.calcite.rel.core中的类"><code>Union</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalValues.html" title="org.apache.calcite.rel.logical中的类">LogicalValues</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Values.html" title="org.apache.calcite.rel.core中的类"><code>Values</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/LogicalWindow.html" title="org.apache.calcite.rel.logical中的类">LogicalWindow</a></td>
<td class="colLast">
<div class="block">Sub-class of <a href="../../../../../org/apache/calcite/rel/core/Window.html" title="org.apache.calcite.rel.core中的类"><code>Window</code></a>
not targeted at any particular engine or calling convention.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/calcite/rel/logical/ToLogicalConverter.html" title="org.apache.calcite.rel.logical中的类">ToLogicalConverter</a></td>
<td class="colLast">
<div class="block">Shuttle to convert any rel plan to a plan with all logical nodes.</div>
</td>
</tr>
</tbody>
</table>
</li>
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<h2 title="程序包org.apache.calcite.rel.logical的说明">程序包org.apache.calcite.rel.logical的说明</h2>
<div class="block">Defines logical relational expressions.
<h2>Related packages and classes</h2>
<ul>
<li>Package <code>
<a href="../logical/package-summary.html">org.apache.calcite.rel.core</a></code>
contains core relational expressions
<li>Package <code>
<a href="../package-summary.html">org.apache.calcite.rex</a></code>
defines the relational expression API
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