org.apache.calcite.rex

Class RexUtil.FixNullabilityShuttle

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rex.RexUtil.FixNullabilityShuttle

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RexUtil

public static class RexUtil.FixNullabilityShuttle
extends RexShuttle

Shuttle that fixes up an expression to match changes in nullability of input fields.

Field Summary

Fields

Modifier and Type	Field and Description
private RexBuilder	rexBuilder
private List<RelDataType>	typeList

Constructor Summary

Constructors

Constructor and Description
FixNullabilityShuttle(RexBuilder rexBuilder, List<RelDataType> typeList)

Method Summary

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

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

typeList

private final List<RelDataType> typeList

rexBuilder

private final RexBuilder rexBuilder

Constructor Detail

FixNullabilityShuttle

public FixNullabilityShuttle(RexBuilder rexBuilder,
                             List<RelDataType> typeList)

Method Detail

visitInputRef

public RexNode visitInputRef(RexInputRef ref)

Specified by:

visitInputRef in interface RexVisitor<RexNode>

Overrides:

visitInputRef in class RexShuttle