apidocs/org/apache/drill/exec/planner/physical/class-use/Prel.html - drill-site - Git at Google

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 <h2 title="Uses of Interface org.apache.drill.exec.planner.physical.Prel" class="title">Uses of Interface<br>org.apache.drill.exec.planner.physical.Prel</h2>
 </div>
 <div class="classUseContainer">
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 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing packages, and an explanation">
 <caption><span>Packages that use <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Package</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.planner.physical">org.apache.drill.exec.planner.physical</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.planner.physical.explain">org.apache.drill.exec.planner.physical.explain</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.planner.physical.visitor">org.apache.drill.exec.planner.physical.visitor</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.planner.sql.handlers">org.apache.drill.exec.planner.sql.handlers</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.store.enumerable.plan">org.apache.drill.exec.store.enumerable.plan</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.store.jdbc">org.apache.drill.exec.store.jdbc</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.store.phoenix.rules">org.apache.drill.exec.store.phoenix.rules</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><a href="#org.apache.drill.exec.store.plan.rel">org.apache.drill.exec.store.plan.rel</a></td>
 <td class="colLast">&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList">
 <ul class="blockList">
 <li class="blockList"><a name="org.apache.drill.exec.planner.physical">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing subinterfaces, and an explanation">
 <caption><span>Subinterfaces of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Interface and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>interface&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/DrillScanPrel.html" title="interface in org.apache.drill.exec.planner.physical">DrillScanPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>interface&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LeafPrel.html" title="interface in org.apache.drill.exec.planner.physical">LeafPrel</a></span></code>
 <div class="block">Prel without children.</div>
 </td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
 <caption><span>Classes in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> that implement <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/AggPrelBase.html" title="class in org.apache.drill.exec.planner.physical">AggPrelBase</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/BroadcastExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">BroadcastExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ComplexToJsonPrel.html" title="class in org.apache.drill.exec.planner.physical">ComplexToJsonPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/DirectScanPrel.html" title="class in org.apache.drill.exec.planner.physical">DirectScanPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">ExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/FilterPrel.html" title="class in org.apache.drill.exec.planner.physical">FilterPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/FlattenPrel.html" title="class in org.apache.drill.exec.planner.physical">FlattenPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashAggPrel.html" title="class in org.apache.drill.exec.planner.physical">HashAggPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">HashJoinPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashToMergeExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">HashToMergeExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashToRandomExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">HashToRandomExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/JoinPrel.html" title="class in org.apache.drill.exec.planner.physical">JoinPrel</a></span></code>
 <div class="block">Base class for MergeJoinPrel and HashJoinPrel</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LateralJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">LateralJoinPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LimitPrel.html" title="class in org.apache.drill.exec.planner.physical">LimitPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MergeJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">MergeJoinPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataControllerPrel.html" title="class in org.apache.drill.exec.planner.physical">MetadataControllerPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataHandlerPrel.html" title="class in org.apache.drill.exec.planner.physical">MetadataHandlerPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataHashAggPrel.html" title="class in org.apache.drill.exec.planner.physical">MetadataHashAggPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataStreamAggPrel.html" title="class in org.apache.drill.exec.planner.physical">MetadataStreamAggPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/NestedLoopJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">NestedLoopJoinPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/OrderedMuxExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">OrderedMuxExchangePrel</a></span></code>
 <div class="block">OrderedMuxExchangePrel is mux exchange created to multiplex the streams for a MergeReceiver.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/OrderedPartitionExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">OrderedPartitionExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProducerConsumerPrel.html" title="class in org.apache.drill.exec.planner.physical">ProducerConsumerPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectAllowDupPrel.html" title="class in org.apache.drill.exec.planner.physical">ProjectAllowDupPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html" title="class in org.apache.drill.exec.planner.physical">ProjectPrel</a></span></code>
 <div class="block">A physical Prel node for Project operator.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/RangePartitionExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">RangePartitionExchangePrel</a></span></code>
 <div class="block">A RangePartitionExchange provides the ability to divide up the rows into separate ranges or 'buckets'
  based on the values of a set of columns (the range partitioning columns).</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/RowKeyJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">RowKeyJoinPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/RuntimeFilterPrel.html" title="class in org.apache.drill.exec.planner.physical">RuntimeFilterPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.html" title="class in org.apache.drill.exec.planner.physical">SelectionVectorRemoverPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SingleMergeExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">SingleMergeExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SinglePrel.html" title="class in org.apache.drill.exec.planner.physical">SinglePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SortPrel.html" title="class in org.apache.drill.exec.planner.physical">SortPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StatsAggPrel.html" title="class in org.apache.drill.exec.planner.physical">StatsAggPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StatsMergePrel.html" title="class in org.apache.drill.exec.planner.physical">StatsMergePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StreamAggPrel.html" title="class in org.apache.drill.exec.planner.physical">StreamAggPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/TopNPrel.html" title="class in org.apache.drill.exec.planner.physical">TopNPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnionAllPrel.html" title="class in org.apache.drill.exec.planner.physical">UnionAllPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnionDistinctPrel.html" title="class in org.apache.drill.exec.planner.physical">UnionDistinctPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnionExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">UnionExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnionPrel.html" title="class in org.apache.drill.exec.planner.physical">UnionPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html" title="class in org.apache.drill.exec.planner.physical">UnnestPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnorderedDeMuxExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">UnorderedDeMuxExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnorderedMuxExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">UnorderedMuxExchangePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnpivotMapsPrel.html" title="class in org.apache.drill.exec.planner.physical">UnpivotMapsPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ValuesPrel.html" title="class in org.apache.drill.exec.planner.physical">ValuesPrel</a></span></code>
 <div class="block">Physical Values implementation in Drill.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/WindowPrel.html" title="class in org.apache.drill.exec.planner.physical">WindowPrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/WriterPrel.html" title="class in org.apache.drill.exec.planner.physical">WriterPrel</a></span></code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">The derived classes can override this method to create relevant mux exchanges.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">HashToRandomExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashToRandomExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">This method creates a new UnorderedMux and Demux exchanges if mux operators are enabled.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SingleMergeExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SingleMergeExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">This method creates a new OrderedMux exchange if mux operators are enabled.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ValuesPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ValuesPrel.html#copy-org.apache.calcite.plan.RelTraitSet-java.util.List-">copy</a></span>(org.apache.calcite.plan.RelTraitSet&nbsp;traitSet,
     <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;inputs)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AggPrelBase.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/AggPrelBase.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FilterPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/FilterPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>default <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">Prel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>
 <div class="block">If the operator is in Lateral/Unnest pipeline, then it generates a new operator which knows how to process
  the rows accordingly during execution.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProjectPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SelectionVectorRemoverPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopNPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/TopNPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">UnnestPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LimitPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LimitPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SortPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SortPrel.html#prepareForLateralUnnestPipeline-java.util.List-">prepareForLateralUnnestPipeline</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;children)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelUtil.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PrelUtil.html#removeSvIfRequired-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.record.BatchSchema.SelectionVectorMode...-">removeSvIfRequired</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                   <a href="../../../../../../../org/apache/drill/exec/record/BatchSchema.SelectionVectorMode.html" title="enum in org.apache.drill.exec.record">BatchSchema.SelectionVectorMode</a>...&nbsp;allowed)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> that return types with arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelUtil.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PrelUtil.html#iter-java.util.List-">iter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.calcite.rel.RelNode&gt;&nbsp;nodes)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelUtil.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PrelUtil.html#iter-org.apache.calcite.rel.RelNode...-">iter</a></span>(org.apache.calcite.rel.RelNode...&nbsp;nodes)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">AggPrelBase.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/AggPrelBase.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">ComplexToJsonPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ComplexToJsonPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">DirectScanPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/DirectScanPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">FilterPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/FilterPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">FlattenPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/FlattenPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">JoinPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/JoinPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">LateralJoinPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LateralJoinPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">LeafPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LeafPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">MetadataControllerPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataControllerPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">MetadataHandlerPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataHandlerPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">MetadataHashAggPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataHashAggPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">MetadataStreamAggPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/MetadataStreamAggPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProducerConsumerPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">ProjectPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">ScreenPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">SinglePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SinglePrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">StatsAggPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StatsAggPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">StatsMergePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StatsMergePrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">StreamAggPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/StreamAggPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">UnionPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnionPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">UnpivotMapsPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/UnpivotMapsPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">WindowPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/WindowPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">WriterPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/WriterPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">LimitPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LimitPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">SortPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SortPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">RowKeyJoinPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/RowKeyJoinPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">ValuesPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ValuesPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> with parameters of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PhysicalPlanCreator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PhysicalPlanCreator.html#addMetadata-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.physical.base.PhysicalOperator-">addMetadata</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;originalPrel,
            <a href="../../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>&nbsp;op)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/physical/PhysicalPlan.html" title="class in org.apache.drill.exec.physical">PhysicalPlan</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PhysicalPlanCreator.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PhysicalPlanCreator.html#build-org.apache.drill.exec.planner.physical.Prel-boolean-">build</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;rootPrel,
      boolean&nbsp;forceRebuild)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">The derived classes can override this method to create relevant mux exchanges.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">HashToRandomExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/HashToRandomExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">This method creates a new UnorderedMux and Demux exchanges if mux operators are enabled.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SingleMergeExchangePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SingleMergeExchangePrel.html#constructMuxPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">constructMuxPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                 <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>
 <div class="block">This method creates a new OrderedMux exchange if mux operators are enabled.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelUtil.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PrelUtil.html#removeSvIfRequired-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.record.BatchSchema.SelectionVectorMode...-">removeSvIfRequired</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                   <a href="../../../../../../../org/apache/drill/exec/record/BatchSchema.SelectionVectorMode.html" title="enum in org.apache.drill.exec.record">BatchSchema.SelectionVectorMode</a>...&nbsp;allowed)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
 <caption><span>Constructors in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> with parameters of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/ComplexToJsonPrel.html#ComplexToJsonPrel-org.apache.drill.exec.planner.physical.Prel-">ComplexToJsonPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;phyRelNode)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/RuntimeFilterPrel.html#RuntimeFilterPrel-org.apache.drill.exec.planner.physical.Prel-long-">RuntimeFilterPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child,
                  long&nbsp;identifier)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/SelectionVectorRemoverPrel.html#SelectionVectorRemoverPrel-org.apache.drill.exec.planner.physical.Prel-">SelectionVectorRemoverPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;child)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing constructors, and an explanation">
 <caption><span>Constructor parameters in <a href="../../../../../../../org/apache/drill/exec/planner/physical/package-summary.html">org.apache.drill.exec.planner.physical</a> with type arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/PhysicalPlanCreator.html#PhysicalPlanCreator-org.apache.drill.exec.ops.QueryContext-java.util.Map-">PhysicalPlanCreator</a></span>(<a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;context,
                    <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>,<a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.OpId.html" title="class in org.apache.drill.exec.planner.physical.explain">PrelSequencer.OpId</a>&gt;&nbsp;opIdMap)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.planner.physical.explain">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/package-summary.html">org.apache.drill.exec.planner.physical.explain</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/package-summary.html">org.apache.drill.exec.planner.physical.explain</a> that return types with arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>,<a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.OpId.html" title="class in org.apache.drill.exec.planner.physical.explain">PrelSequencer.OpId</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#getIdMap-org.apache.drill.exec.planner.physical.Prel-">getIdMap</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;rel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>,<a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.OpId.html" title="class in org.apache.drill.exec.planner.physical.explain">PrelSequencer.OpId</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#go-org.apache.drill.exec.planner.physical.Prel-">go</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;root)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/package-summary.html">org.apache.drill.exec.planner.physical.explain</a> with parameters of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>,<a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.OpId.html" title="class in org.apache.drill.exec.planner.physical.explain">PrelSequencer.OpId</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#getIdMap-org.apache.drill.exec.planner.physical.Prel-">getIdMap</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;rel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>,<a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.OpId.html" title="class in org.apache.drill.exec.planner.physical.explain">PrelSequencer.OpId</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#go-org.apache.drill.exec.planner.physical.Prel-">go</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;root)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#printWithIds-org.apache.drill.exec.planner.physical.Prel-org.apache.calcite.sql.SqlExplainLevel-">printWithIds</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;rel,
             org.apache.calcite.sql.SqlExplainLevel&nbsp;explainlevel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelSequencer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/explain/PrelSequencer.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          org.apache.drill.exec.planner.physical.explain.PrelSequencer.Frag&nbsp;value)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.planner.physical.visitor">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/package-summary.html">org.apache.drill.exec.planner.physical.visitor</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/package-summary.html">org.apache.drill.exec.planner.physical.visitor</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ComplexToJsonPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.html#addComplexToJsonPrel-org.apache.drill.exec.planner.physical.Prel-">addComplexToJsonPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#addFinalColumnOrdering-org.apache.drill.exec.planner.physical.Prel-">addFinalColumnOrdering</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html#addProducerConsumerToScans-org.apache.drill.exec.planner.physical.Prel-int-">addProducerConsumerToScans</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                           int&nbsp;queueSize)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#addRuntimeFilter-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.ops.QueryContext-">addRuntimeFilter</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                 <a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;queryContext)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SelectionVectorPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.html#addSelectionRemoversWhereNecessary-org.apache.drill.exec.planner.physical.Prel-">addSelectionRemoversWhereNecessary</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#adjustSchema-org.apache.drill.exec.planner.physical.Prel-">adjustSchema</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InsertLocalExchangeVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html#insertLocalExchanges-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">insertLocalExchanges</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                     <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#insertRenameProject-org.apache.drill.exec.planner.physical.Prel-">insertRenameProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;root)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#insertRowID-org.apache.drill.exec.planner.physical.Prel-">insertRowID</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#insertTopProject-org.apache.drill.exec.planner.physical.Prel-org.apache.calcite.rel.type.RelDataType-">insertTopProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                 org.apache.calcite.rel.type.RelDataType&nbsp;validatedRowType)</code>
 <div class="block">Traverses passed physical relational node and its children and checks if top project
  should be added under screen or writer to preserve final output fields names.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#removeExcessiveExchanges-org.apache.drill.exec.planner.physical.Prel-long-">removeExcessiveExchanges</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                         long&nbsp;targetSliceSize)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SwapHashJoinVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html#swapHashJoin-org.apache.drill.exec.planner.physical.Prel-java.lang.Double-">swapHashJoin</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;marginFactor)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RelUniqifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html#uniqifyGraph-org.apache.drill.exec.planner.physical.Prel-">uniqifyGraph</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;p)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitExchange-org.apache.drill.exec.planner.physical.ExchangePrel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitExchange</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">ExchangePrel</a>&nbsp;prel,
              org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;parent)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InsertLocalExchangeVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html#visitExchange-org.apache.drill.exec.planner.physical.ExchangePrel-java.lang.Void-">visitExchange</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ExchangePrel.html" title="class in org.apache.drill.exec.planner.physical">ExchangePrel</a>&nbsp;prel,
              <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SwapHashJoinVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html#visitJoin-org.apache.drill.exec.planner.physical.JoinPrel-java.lang.Double-">visitJoin</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/JoinPrel.html" title="class in org.apache.drill.exec.planner.physical">JoinPrel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#visitJoin-org.apache.drill.exec.planner.physical.JoinPrel-java.lang.Void-">visitJoin</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/JoinPrel.html" title="class in org.apache.drill.exec.planner.physical">JoinPrel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#visitJoin-org.apache.drill.exec.planner.physical.JoinPrel-java.lang.Void-">visitJoin</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/JoinPrel.html" title="class in org.apache.drill.exec.planner.physical">JoinPrel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#visitLateral-org.apache.drill.exec.planner.physical.LateralJoinPrel-java.lang.Boolean-">visitLateral</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/LateralJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">LateralJoinPrel</a>&nbsp;prel,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;isRightOfLateral)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitLateral-org.apache.drill.exec.planner.physical.LateralJoinPrel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitLateral</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/LateralJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">LateralJoinPrel</a>&nbsp;prel,
             org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#visitLateral-org.apache.drill.exec.planner.physical.LateralJoinPrel-java.lang.Void-">visitLateral</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/LateralJoinPrel.html" title="class in org.apache.drill.exec.planner.physical">LateralJoinPrel</a>&nbsp;prel,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitLeaf-org.apache.drill.exec.planner.physical.LeafPrel-java.lang.Void-">visitLeaf</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/LeafPrel.html" title="interface in org.apache.drill.exec.planner.physical">LeafPrel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Boolean-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;isRightOfLateral)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SwapHashJoinVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Double-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RewriteProjectToFlatten.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Object-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SplitUpComplexExpressions.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Object-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;unused)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RelUniqifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.util.Set-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;&nbsp;data)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InsertLocalExchangeVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SelectionVectorPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RewriteProjectToFlatten.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.html#visitProject-org.apache.drill.exec.planner.physical.ProjectPrel-java.lang.Object-">visitProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html" title="class in org.apache.drill.exec.planner.physical">ProjectPrel</a>&nbsp;project,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;unused)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SplitUpComplexExpressions.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.html#visitProject-org.apache.drill.exec.planner.physical.ProjectPrel-java.lang.Object-">visitProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html" title="class in org.apache.drill.exec.planner.physical">ProjectPrel</a>&nbsp;project,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;unused)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitProject-org.apache.drill.exec.planner.physical.ProjectPrel-java.lang.Void-">visitProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ProjectPrel.html" title="class in org.apache.drill.exec.planner.physical">ProjectPrel</a>&nbsp;prel,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitScan-org.apache.drill.exec.planner.physical.ScanPrel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitScan</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a>&nbsp;prel,
          org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html#visitScan-org.apache.drill.exec.planner.physical.ScanPrel-java.lang.Void-">visitScan</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a>&nbsp;scanPrel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitScan-org.apache.drill.exec.planner.physical.ScanPrel-java.lang.Void-">visitScan</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a>&nbsp;scanPrel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#visitScan-org.apache.drill.exec.planner.physical.ScanPrel-java.lang.Void-">visitScan</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitScreen-org.apache.drill.exec.planner.physical.ScreenPrel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitScreen</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a>&nbsp;prel,
            org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ComplexToJsonPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.html#visitScreen-org.apache.drill.exec.planner.physical.ScreenPrel-java.lang.Void-">visitScreen</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#visitScreen-org.apache.drill.exec.planner.physical.ScreenPrel-java.lang.Void-">visitScreen</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitScreen-org.apache.drill.exec.planner.physical.ScreenPrel-java.lang.Void-">visitScreen</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#visitScreen-org.apache.drill.exec.planner.physical.ScreenPrel-java.lang.Void-">visitScreen</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/ScreenPrel.html" title="class in org.apache.drill.exec.planner.physical">ScreenPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#visitUnnest-org.apache.drill.exec.planner.physical.UnnestPrel-java.lang.Boolean-">visitUnnest</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html" title="class in org.apache.drill.exec.planner.physical">UnnestPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;isRightOfLateral)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitUnnest-org.apache.drill.exec.planner.physical.UnnestPrel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitUnnest</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html" title="class in org.apache.drill.exec.planner.physical">UnnestPrel</a>&nbsp;prel,
            org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#visitUnnest-org.apache.drill.exec.planner.physical.UnnestPrel-java.lang.Void-">visitUnnest</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html" title="class in org.apache.drill.exec.planner.physical">UnnestPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitUnnest-org.apache.drill.exec.planner.physical.UnnestPrel-java.lang.Void-">visitUnnest</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/UnnestPrel.html" title="class in org.apache.drill.exec.planner.physical">UnnestPrel</a>&nbsp;unnestPrel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#visitWriter-org.apache.drill.exec.planner.physical.WriterPrel-java.lang.Void-">visitWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/WriterPrel.html" title="class in org.apache.drill.exec.planner.physical">WriterPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitWriter-org.apache.drill.exec.planner.physical.WriterPrel-java.lang.Void-">visitWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/WriterPrel.html" title="class in org.apache.drill.exec.planner.physical">WriterPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#visitWriter-org.apache.drill.exec.planner.physical.WriterPrel-java.lang.Void-">visitWriter</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/WriterPrel.html" title="class in org.apache.drill.exec.planner.physical">WriterPrel</a>&nbsp;prel,
            <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/package-summary.html">org.apache.drill.exec.planner.physical.visitor</a> with parameters of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ComplexToJsonPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.html#addComplexToJsonPrel-org.apache.drill.exec.planner.physical.Prel-">addComplexToJsonPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#addFinalColumnOrdering-org.apache.drill.exec.planner.physical.Prel-">addFinalColumnOrdering</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html#addProducerConsumerToScans-org.apache.drill.exec.planner.physical.Prel-int-">addProducerConsumerToScans</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                           int&nbsp;queueSize)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#addRuntimeFilter-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.ops.QueryContext-">addRuntimeFilter</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                 <a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;queryContext)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SelectionVectorPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.html#addSelectionRemoversWhereNecessary-org.apache.drill.exec.planner.physical.Prel-">addSelectionRemoversWhereNecessary</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#adjustSchema-org.apache.drill.exec.planner.physical.Prel-">adjustSchema</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><span class="typeNameLabel">MemoryEstimationVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/MemoryEstimationVisitor.html#enoughMemory-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-int-">enoughMemory</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
             <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options,
             int&nbsp;numDrillbits)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a></code></td>
 <td class="colLast"><span class="typeNameLabel">MemoryEstimationVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/MemoryEstimationVisitor.html#estimateMemory-org.apache.drill.exec.planner.physical.Prel-">estimateMemory</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InsertLocalExchangeVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html#insertLocalExchanges-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.server.options.OptionManager-">insertLocalExchanges</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                     <a href="../../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;options)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#insertRenameProject-org.apache.drill.exec.planner.physical.Prel-">insertRenameProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;root)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#insertRowID-org.apache.drill.exec.planner.physical.Prel-">insertRowID</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#insertTopProject-org.apache.drill.exec.planner.physical.Prel-org.apache.calcite.rel.type.RelDataType-">insertTopProject</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                 org.apache.calcite.rel.type.RelDataType&nbsp;validatedRowType)</code>
 <div class="block">Traverses passed physical relational node and its children and checks if top project
  should be added under screen or writer to preserve final output fields names.</div>
 </td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelVisualizerVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.html#print-java.lang.String-org.apache.drill.exec.planner.physical.Prel-">print</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;label,
      <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#removeExcessiveExchanges-org.apache.drill.exec.planner.physical.Prel-long-">removeExcessiveExchanges</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                         long&nbsp;targetSliceSize)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><span class="typeNameLabel">PrelVisualizerVisitor.VisualizationState.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.VisualizationState.html#startNode-org.apache.drill.exec.planner.physical.Prel-">startNode</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SwapHashJoinVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html#swapHashJoin-org.apache.drill.exec.planner.physical.Prel-java.lang.Double-">swapHashJoin</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
             <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;marginFactor)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RelUniqifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html#uniqifyGraph-org.apache.drill.exec.planner.physical.Prel-">uniqifyGraph</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;p)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">LateralUnnestRowIDVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Boolean-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&nbsp;isRightOfLateral)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SwapHashJoinVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Double-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ExcessiveExchangeIdentifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          org.apache.drill.exec.planner.physical.visitor.ExcessiveExchangeIdentifier.MajorFragmentStat&nbsp;s)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.html" title="type parameter in BasePrelVisitor">RETURN</a></code></td>
 <td class="colLast"><span class="typeNameLabel">BasePrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-EXTRA-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.html" title="type parameter in BasePrelVisitor">EXTRA</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisitor.html" title="type parameter in PrelVisitor">RETURN</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-EXTRA-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisitor.html" title="type parameter in PrelVisitor">EXTRA</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RewriteProjectToFlatten.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Object-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SplitUpComplexExpressions.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Object-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;unused)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelVisualizerVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.planner.physical.visitor.PrelVisualizerVisitor.VisualizationState-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.VisualizationState.html" title="class in org.apache.drill.exec.planner.physical.visitor">PrelVisualizerVisitor.VisualizationState</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RelUniqifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.util.Set-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;&nbsp;data)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">AdjustOperatorsSchemaVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">FinalColumnReorderer.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">InsertLocalExchangeVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a></code></td>
 <td class="colLast"><span class="typeNameLabel">MemoryEstimationVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/MemoryEstimationVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">ProducerConsumerPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">SelectionVectorPrelVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">StarColumnConverter.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">TopProjectVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RuntimeFilterVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.lang.Void-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Void.html?is-external=true" title="class or interface in java.lang">Void</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelVisualizerVisitor.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.html#visualize-org.apache.drill.exec.planner.physical.Prel-">visualize</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Method parameters in <a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/package-summary.html">org.apache.drill.exec.planner.physical.visitor</a> with type arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">RelUniqifier.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html#visitPrel-org.apache.drill.exec.planner.physical.Prel-java.util.Set-">visitPrel</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
          <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;&nbsp;data)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.planner.sql.handlers">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/package-summary.html">org.apache.drill.exec.planner.sql.handlers</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/package-summary.html">org.apache.drill.exec.planner.sql.handlers</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">DefaultSqlHandler.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/DefaultSqlHandler.html#convertToPrel-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.type.RelDataType-">convertToPrel</a></span>(org.apache.calcite.rel.RelNode&nbsp;drel,
              org.apache.calcite.rel.type.RelDataType&nbsp;validatedRowType)</code>
 <div class="block">Applies physical rules and certain transformations to convert drill relational node into physical one.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PrelFinalizable.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/PrelFinalizable.html#finalizeRel--">finalizeRel</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/package-summary.html">org.apache.drill.exec.planner.sql.handlers</a> with parameters of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></code></td>
 <td class="colLast"><span class="typeNameLabel">DefaultSqlHandler.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/DefaultSqlHandler.html#convertToPop-org.apache.drill.exec.planner.physical.Prel-">convertToPop</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><span class="typeNameLabel">DefaultSqlHandler.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/DefaultSqlHandler.html#logAndSetTextPlan-java.lang.String-org.apache.drill.exec.planner.physical.Prel-org.slf4j.Logger-">logAndSetTextPlan</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;description,
                  <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;prel,
                  org.slf4j.Logger&nbsp;logger)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static void</code></td>
 <td class="colLast"><span class="typeNameLabel">ExplainHandler.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/planner/sql/handlers/ExplainHandler.html#printPlan-org.apache.drill.exec.planner.physical.Prel-org.apache.drill.exec.ops.QueryContext-">printPlan</a></span>(<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&nbsp;node,
          <a href="../../../../../../../org/apache/drill/exec/ops/QueryContext.html" title="class in org.apache.drill.exec.ops">QueryContext</a>&nbsp;context)</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.store.enumerable.plan">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/package-summary.html">org.apache.drill.exec.store.enumerable.plan</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
 <caption><span>Classes in <a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/package-summary.html">org.apache.drill.exec.store.enumerable.plan</a> that implement <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/EnumerableIntermediatePrel.html" title="class in org.apache.drill.exec.store.enumerable.plan">EnumerableIntermediatePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/EnumerablePrel.html" title="class in org.apache.drill.exec.store.enumerable.plan">EnumerablePrel</a></span></code>
 <div class="block"><a href="../../../../../../../org/apache/drill/exec/planner/physical/LeafPrel.html" title="interface in org.apache.drill.exec.planner.physical"><code>LeafPrel</code></a> implementation that generates java code that may be executed to obtain results
  for the provided plan part.</div>
 </td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/package-summary.html">org.apache.drill.exec.store.enumerable.plan</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">EnumerableIntermediatePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/enumerable/plan/EnumerableIntermediatePrel.html#finalizeRel--">finalizeRel</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.store.jdbc">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/store/jdbc/package-summary.html">org.apache.drill.exec.store.jdbc</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
 <caption><span>Classes in <a href="../../../../../../../org/apache/drill/exec/store/jdbc/package-summary.html">org.apache.drill.exec.store.jdbc</a> that implement <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/jdbc/JdbcIntermediatePrel.html" title="class in org.apache.drill.exec.store.jdbc">JdbcIntermediatePrel</a></span></code>
 <div class="block">Prel used to represent a JDBC Conversion within an expression tree.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/jdbc/JdbcPrel.html" title="class in org.apache.drill.exec.store.jdbc">JdbcPrel</a></span></code>
 <div class="block">Represents a JDBC Plan once the children nodes have been rewritten into SQL.</div>
 </td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/jdbc/package-summary.html">org.apache.drill.exec.store.jdbc</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">JdbcIntermediatePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/jdbc/JdbcIntermediatePrel.html#finalizeRel--">finalizeRel</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/jdbc/package-summary.html">org.apache.drill.exec.store.jdbc</a> that return types with arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">JdbcPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/jdbc/JdbcPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.store.phoenix.rules">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/package-summary.html">org.apache.drill.exec.store.phoenix.rules</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
 <caption><span>Classes in <a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/package-summary.html">org.apache.drill.exec.store.phoenix.rules</a> that implement <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/PhoenixIntermediatePrel.html" title="class in org.apache.drill.exec.store.phoenix.rules">PhoenixIntermediatePrel</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/PhoenixPrel.html" title="class in org.apache.drill.exec.store.phoenix.rules">PhoenixPrel</a></span></code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/package-summary.html">org.apache.drill.exec.store.phoenix.rules</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PhoenixIntermediatePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/PhoenixIntermediatePrel.html#finalizeRel--">finalizeRel</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/package-summary.html">org.apache.drill.exec.store.phoenix.rules</a> that return types with arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a>&gt;</code></td>
 <td class="colLast"><span class="typeNameLabel">PhoenixPrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/phoenix/rules/PhoenixPrel.html#iterator--">iterator</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 </li>
 <li class="blockList"><a name="org.apache.drill.exec.store.plan.rel">
 <!--   -->
 </a>
 <h3>Uses of <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a> in <a href="../../../../../../../org/apache/drill/exec/store/plan/rel/package-summary.html">org.apache.drill.exec.store.plan.rel</a></h3>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing classes, and an explanation">
 <caption><span>Classes in <a href="../../../../../../../org/apache/drill/exec/store/plan/rel/package-summary.html">org.apache.drill.exec.store.plan.rel</a> that implement <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/plan/rel/PluginIntermediatePrel.html" title="class in org.apache.drill.exec.store.plan.rel">PluginIntermediatePrel</a></span></code>
 <div class="block">Prel used to represent a Plugin Conversion within an expression tree.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/plan/rel/PluginPrel.html" title="class in org.apache.drill.exec.store.plan.rel">PluginPrel</a></span></code>
 <div class="block">Represents a plugin-specific plan once children nodes have been pushed down into group scan.</div>
 </td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/plan/rel/package-summary.html">org.apache.drill.exec.store.plan.rel</a> that return <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code><a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></code></td>
 <td class="colLast"><span class="typeNameLabel">PluginIntermediatePrel.</span><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/plan/rel/PluginIntermediatePrel.html#finalizeRel--">finalizeRel</a></span>()</code>&nbsp;</td>
 </tr>
 </tbody>
 </table>
 <table class="useSummary" border="0" cellpadding="3" cellspacing="0" summary="Use table, listing methods, and an explanation">
 <caption><span>Methods in <a href="../../../../../../../org/apache/drill/exec/store/plan/rel/package-summary.html">org.apache.drill.exec.store.plan.rel</a> that return types with arguments of type <a href="../../../../../../../org/apache/drill/exec/planner/physical/Prel.html" title="interface in org.apache.drill.exec.planner.physical">Prel</a></span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tbody>
 <tr class="altColor">
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