Package org.apache.calcite.rel.metadata

Class RelMdExpressionLineage.RexReplacer

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rel.metadata.RelMdExpressionLineage.RexReplacer

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelMdExpressionLineage

private static class RelMdExpressionLineage.RexReplacer
extends RexShuttle

Replaces expressions with their equivalences. Note that we only have to look for RexInputRef.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.Map<RexInputRef,RexNode>	replacementValues

Constructor Summary

Constructors

Constructor	Description
RexReplacer(java.util.Map<RexInputRef,RexNode> replacementValues)

Method Summary

Modifier and Type	Method	Description
RexNode	visitInputRef(RexInputRef inputRef)

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

apply, apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, 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

replacementValues

private final java.util.Map<RexInputRef,RexNode> replacementValues

Constructor Detail

RexReplacer

RexReplacer(java.util.Map<RexInputRef,RexNode> replacementValues)

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle