org.apache.calcite.plan

Class RelOptUtil.RexInputConverter

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.plan.RelOptUtil.RexInputConverter

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RelOptUtil

public static class RelOptUtil.RexInputConverter
extends RexShuttle

Walks an expression tree, converting the index of RexInputRefs based on some adjustment factor.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<RelDataTypeField>	destFields
protected RexBuilder	rexBuilder

Constructor Summary

Constructors

Constructor and Description
RelOptUtil.RexInputConverter(RexBuilder rexBuilder, List<RelDataTypeField> srcFields, int[] adjustments)
RelOptUtil.RexInputConverter(RexBuilder rexBuilder, List<RelDataTypeField> srcFields, List<RelDataTypeField> destFields, int[] adjustments)
RelOptUtil.RexInputConverter(RexBuilder rexBuilder, List<RelDataTypeField> srcFields, List<RelDataTypeField> leftDestFields, List<RelDataTypeField> rightDestFields, int[] adjustments)

Method Summary

Methods

Modifier and Type	Method and Description
RexNode	visitInputRef(RexInputRef var)

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

apply, apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitList, visitList, visitLiteral, visitLocalRef, visitOver, visitRangeRef, visitWindow

Methods inherited from class java.lang.Object

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

Field Detail

rexBuilder

protected final RexBuilder rexBuilder

destFields

protected final List<RelDataTypeField> destFields

Constructor Detail

RelOptUtil.RexInputConverter

public RelOptUtil.RexInputConverter(RexBuilder rexBuilder,
                            List<RelDataTypeField> srcFields,
                            List<RelDataTypeField> leftDestFields,
                            List<RelDataTypeField> rightDestFields,
                            int[] adjustments)

RelOptUtil.RexInputConverter

public RelOptUtil.RexInputConverter(RexBuilder rexBuilder,
                            List<RelDataTypeField> srcFields,
                            List<RelDataTypeField> destFields,
                            int[] adjustments)

RelOptUtil.RexInputConverter

public RelOptUtil.RexInputConverter(RexBuilder rexBuilder,
                            List<RelDataTypeField> srcFields,
                            int[] adjustments)

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef var)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle