org.apache.calcite.sql2rel

Class RelDecorrelator.RemoveCorrelationRexShuttle

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.sql2rel.RelDecorrelator.RemoveCorrelationRexShuttle

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelDecorrelator

private class RelDecorrelator.RemoveCorrelationRexShuttle
extends RexShuttle

Shuttle that removes correlations.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) com.google.common.collect.ImmutableSet<Integer>	isCount
(package private) RexInputRef	nullIndicator
(package private) boolean	projectPulledAboveLeftCorrelator
(package private) RexBuilder	rexBuilder
(package private) RelDataTypeFactory	typeFactory

Constructor Summary

Constructors

Constructor and Description
RemoveCorrelationRexShuttle(RexBuilder rexBuilder, boolean projectPulledAboveLeftCorrelator, RexInputRef nullIndicator, Set<Integer> isCount)

Method Summary

Modifier and Type	Method and Description
private RexNode	createCaseExpression(RexInputRef nullInputRef, RexLiteral lit, RexNode rexNode)
RexNode	visitCall(RexCall call)
RexNode	visitFieldAccess(RexFieldAccess fieldAccess)
RexNode	visitInputRef(RexInputRef inputRef)
RexNode	visitLiteral(RexLiteral literal)

Methods inherited from class org.apache.calcite.rex.RexShuttle

apply, apply, apply, mutate, visitArray, visitCorrelVariable, visitDynamicParam, visitFieldCollations, visitList, visitList, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef, visitWindow

Methods inherited from class java.lang.Object

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

Field Detail

rexBuilder

final RexBuilder rexBuilder

typeFactory

final RelDataTypeFactory typeFactory

projectPulledAboveLeftCorrelator

final boolean projectPulledAboveLeftCorrelator

nullIndicator

final RexInputRef nullIndicator

isCount

final com.google.common.collect.ImmutableSet<Integer> isCount

Constructor Detail

RemoveCorrelationRexShuttle

RemoveCorrelationRexShuttle(RexBuilder rexBuilder,
                            boolean projectPulledAboveLeftCorrelator,
                            RexInputRef nullIndicator,
                            Set<Integer> isCount)

Method Detail

createCaseExpression

private RexNode createCaseExpression(RexInputRef nullInputRef,
                                     RexLiteral lit,
                                     RexNode rexNode)

visitFieldAccess

public RexNode visitFieldAccess(RexFieldAccess fieldAccess)

Specified by:

visitFieldAccess in interface RexVisitor<RexNode>

Overrides:

visitFieldAccess in class RexShuttle

visitInputRef

public RexNode visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle

visitLiteral

public RexNode visitLiteral(RexLiteral literal)

Specified by:

visitLiteral in interface RexVisitor<RexNode>

Overrides:

visitLiteral in class RexShuttle

visitCall

public RexNode visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<RexNode>

Overrides:

visitCall in class RexShuttle