Package org.apache.calcite.rel.rules

Class ProjectCorrelateTransposeRule.RexFieldAccessReplacer

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rel.rules.ProjectCorrelateTransposeRule.RexFieldAccessReplacer

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

ProjectCorrelateTransposeRule

public static class ProjectCorrelateTransposeRule.RexFieldAccessReplacer
extends RexShuttle

Visitor for RexNodes which replaces RexCorrelVariable with specified.

Field Summary

Fields

Modifier and Type	Field	Description
private RexBuilder	builder
private java.util.Map<java.lang.Integer,java.lang.Integer>	requiredColsMap
private RexCorrelVariable	rexCorrelVariable
private CorrelationId	rexCorrelVariableToReplace

Constructor Summary

Constructors

Constructor	Description
RexFieldAccessReplacer(CorrelationId rexCorrelVariableToReplace, RexCorrelVariable rexCorrelVariable, RexBuilder builder, java.util.Map<java.lang.Integer,java.lang.Integer> requiredColsMap)

Method Summary

Modifier and Type	Method	Description
RexNode	visitCorrelVariable(RexCorrelVariable variable)
RexNode	visitFieldAccess(RexFieldAccess fieldAccess)

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

apply, apply, apply, mutate, visitArray, visitCall, visitDynamicParam, visitFieldCollations, visitInputRef, visitList, visitList, visitLiteral, 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

builder

private final RexBuilder builder

rexCorrelVariableToReplace

private final CorrelationId rexCorrelVariableToReplace

rexCorrelVariable

private final RexCorrelVariable rexCorrelVariable

requiredColsMap

private final java.util.Map<java.lang.Integer,java.lang.Integer> requiredColsMap

Constructor Detail

RexFieldAccessReplacer

public RexFieldAccessReplacer(CorrelationId rexCorrelVariableToReplace,
                              RexCorrelVariable rexCorrelVariable,
                              RexBuilder builder,
                              java.util.Map<java.lang.Integer,java.lang.Integer> requiredColsMap)

Method Detail

visitCorrelVariable

public RexNode visitCorrelVariable(RexCorrelVariable variable)

Specified by:

visitCorrelVariable in interface RexVisitor<RexNode>

Overrides:

visitCorrelVariable in class RexShuttle

visitFieldAccess

public RexNode visitFieldAccess(RexFieldAccess fieldAccess)

Specified by:

visitFieldAccess in interface RexVisitor<RexNode>

Overrides:

visitFieldAccess in class RexShuttle