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| <h1 title="Package" class="title">Package org.apache.drill.exec.planner.physical.visitor</h1> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisitor.html" title="interface in org.apache.drill.exec.planner.physical.visitor">PrelVisitor</a><RETURN,EXTRA,EXCEP extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>></td> |
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| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/AdjustOperatorsSchemaVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">AdjustOperatorsSchemaVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">AdjustOperatorsSchemaVisitor visits corresponding operators' which depending upon their functionality |
| adjusts their output row types.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/BasePrelVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">BasePrelVisitor</a><RETURN,EXTRA,EXCEP extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ComplexToJsonPrelVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">ComplexToJsonPrelVisitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ExcessiveExchangeIdentifier.html" title="class in org.apache.drill.exec.planner.physical.visitor">ExcessiveExchangeIdentifier</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/FinalColumnReorderer.html" title="class in org.apache.drill.exec.planner.physical.visitor">FinalColumnReorderer</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/InsertLocalExchangeVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">InsertLocalExchangeVisitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">LateralUnnestRowIDVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">LateralUnnestRowIDVisitor traverses the physical plan and modifies all the operators in the |
| pipeline of Lateral and Unnest operators to accommodate IMPLICIT_COLUMN.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.CorrelateVarReplacer.html" title="class in org.apache.drill.exec.planner.physical.visitor">LateralUnnestRowIDVisitor.CorrelateVarReplacer</a></td> |
| <td class="colLast"> |
| <div class="block">Visitor for RelNodes which applies specified <code>RexShuttle</code> visitor |
| for every node in the tree.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/MemoryEstimationVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">MemoryEstimationVisitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/PrelVisualizerVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">PrelVisualizerVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Debug-time class that prints a PRel tree to the console for |
| inspection.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><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></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/ProducerConsumerPrelVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">ProducerConsumerPrelVisitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RelUniqifier.html" title="class in org.apache.drill.exec.planner.physical.visitor">RelUniqifier</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RewriteProjectToFlatten.html" title="class in org.apache.drill.exec.planner.physical.visitor">RewriteProjectToFlatten</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RexVisitorComplexExprSplitter.html" title="class in org.apache.drill.exec.planner.physical.visitor">RexVisitorComplexExprSplitter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/RuntimeFilterVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">RuntimeFilterVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">This visitor does two major things: |
| 1) Find the possible HashJoinPrel to add a RuntimeFilterDef to it.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SelectionVectorPrelVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">SelectionVectorPrelVisitor</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SplitUpComplexExpressions.html" title="class in org.apache.drill.exec.planner.physical.visitor">SplitUpComplexExpressions</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/StarColumnConverter.html" title="class in org.apache.drill.exec.planner.physical.visitor">StarColumnConverter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/SwapHashJoinVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">SwapHashJoinVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Visit Prel tree.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../../org/apache/drill/exec/planner/physical/visitor/TopProjectVisitor.html" title="class in org.apache.drill.exec.planner.physical.visitor">TopProjectVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Adds non-trivial top project to ensure the final output field names are preserved.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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