Package 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	Description
protected final @Nullable List<RelDataTypeField>	destFields
protected final RexBuilder	rexBuilder

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
RexNode	visitInputRef(RexInputRef var)

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

apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitLambda, visitLambdaRef, visitList, visitLiteral, visitLocalRef, visitOver, visitOverAggFunction, 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

Field Details

rexBuilder

protected final RexBuilder rexBuilder

destFields

protected final @Nullable List<RelDataTypeField> destFields

Constructor Details

RexInputConverter

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

RexInputConverter

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

RexInputConverter

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

Method Details

visitInputRef

public RexNode visitInputRef(RexInputRef var)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle