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 @Nullable List<RelDataTypeField>	destFields
protected RexBuilder	rexBuilder

Constructor Summary

Constructors

Constructor and 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 and Description
RexNode	visitInputRef(RexInputRef var)

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

apply, apply, mutate, visitArray, visitCall, 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

Field Detail

rexBuilder

protected final RexBuilder rexBuilder

destFields

protected final @Nullable List<RelDataTypeField> destFields

Constructor Detail

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 Detail

visitInputRef

public RexNode visitInputRef(RexInputRef var)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle