org.apache.drill.exec.store

Class SubsetRemover

java.lang.Object

org.apache.calcite.rel.RelShuttleImpl

org.apache.drill.exec.store.SubsetRemover

All Implemented Interfaces:

org.apache.calcite.rel.RelShuttle

public class SubsetRemover
extends org.apache.calcite.rel.RelShuttleImpl

Removes RelSubset nodes from the plan. It may be useful when we want to do some operations on the plan which aren't supported by RelSubset during the planning phase.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.rel.RelShuttle	INSTANCE

Fields inherited from class org.apache.calcite.rel.RelShuttleImpl

stack

Constructor Summary

Constructors

Constructor and Description
SubsetRemover()

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.RelNode	visit(org.apache.calcite.rel.RelNode other)

Methods inherited from class org.apache.calcite.rel.RelShuttleImpl

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitChild, visitChildren

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static org.apache.calcite.rel.RelShuttle INSTANCE

Constructor Detail

SubsetRemover

public SubsetRemover()

Method Detail

visit

public org.apache.calcite.rel.RelNode visit(org.apache.calcite.rel.RelNode other)

Specified by:

visit in interface org.apache.calcite.rel.RelShuttle

Overrides:

visit in class org.apache.calcite.rel.RelShuttleImpl