org.apache.hadoop.hive.ql.optimizer.calcite

Class HiveCalciteUtil.FixNullabilityShuttle

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.hadoop.hive.ql.optimizer.calcite.HiveCalciteUtil.FixNullabilityShuttle

All Implemented Interfaces:

org.apache.calcite.rex.RexVisitor<org.apache.calcite.rex.RexNode>

Enclosing class:

HiveCalciteUtil

public static class HiveCalciteUtil.FixNullabilityShuttle
extends org.apache.calcite.rex.RexShuttle

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

Constructor Summary

Constructors

Constructor and Description
FixNullabilityShuttle(org.apache.calcite.rex.RexBuilder rexBuilder, List<org.apache.calcite.rel.type.RelDataType> typeList)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rex.RexNode	visitInputRef(org.apache.calcite.rex.RexInputRef ref)

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

Constructor Detail

FixNullabilityShuttle

public FixNullabilityShuttle(org.apache.calcite.rex.RexBuilder rexBuilder,
                             List<org.apache.calcite.rel.type.RelDataType> typeList)

Method Detail

visitInputRef

public org.apache.calcite.rex.RexNode visitInputRef(org.apache.calcite.rex.RexInputRef ref)

Specified by:

visitInputRef in interface org.apache.calcite.rex.RexVisitor<org.apache.calcite.rex.RexNode>

Overrides:

visitInputRef in class org.apache.calcite.rex.RexShuttle