Package org.apache.calcite.tools

Class RelBuilder.Shifter

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.tools.RelBuilder.Shifter

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelBuilder

private class RelBuilder.Shifter
extends RexShuttle

Shuttle that shifts a predicate's inputs to the left, replacing early ones with references to a RexCorrelVariable.

Field Summary

Fields

Modifier and Type	Field	Description
private CorrelationId	id
private RelNode	left
private RelNode	right

Constructor Summary

Constructors

Constructor	Description
Shifter(RelNode left, CorrelationId id, RelNode right)

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

left

private final RelNode left

id

private final CorrelationId id

right

private final RelNode right

Constructor Detail

Shifter

Shifter(RelNode left,
        CorrelationId id,
        RelNode right)

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef inputRef)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle