org.apache.calcite.rel.rules

Class ReduceExpressionsRule.RexReplacer

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rel.rules.ReduceExpressionsRule.RexReplacer

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

ReduceExpressionsRule<C extends ReduceExpressionsRule.Config>

protected static class ReduceExpressionsRule.RexReplacer
extends RexShuttle

Replaces expressions with their reductions. Note that we only have to look for RexCall, since nothing else is reducible in the first place.

Method Summary

Modifier and Type	Method and Description
RexNode	visitCall(RexCall call)
RexNode	visitInputRef(RexInputRef inputRef)

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

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

Methods inherited from interface org.apache.calcite.rex.RexVisitor

visitEach, visitList, visitList

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle

visitCall

public RexNode visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<RexNode>

Overrides:

visitCall in class RexShuttle