org.apache.calcite.rex

Class RexUtil.ExprSimplifier

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.calcite.rex.RexUtil.ExprSimplifier

All Implemented Interfaces:

RexVisitor<RexNode>

Enclosing class:

RexUtil

public static class RexUtil.ExprSimplifier
extends RexShuttle

Deep expressions simplifier.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	matchNullability
private RexSimplify	simplify
private Map<RexNode,Boolean>	unknownAsFalseMap

Constructor Summary

Constructors

Constructor and Description
ExprSimplifier(RexSimplify simplify) Deprecated.
ExprSimplifier(RexSimplify simplify, boolean matchNullability)

Method Summary

Modifier and Type	Method and Description
RexNode	visitCall(RexCall call)

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

apply, apply, apply, mutate, visitArray, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitInputRef, 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

simplify

private final RexSimplify simplify

unknownAsFalseMap

private final Map<RexNode,Boolean> unknownAsFalseMap

matchNullability

private final boolean matchNullability

Constructor Detail

ExprSimplifier

@Deprecated
public ExprSimplifier(RexSimplify simplify)

Deprecated.

ExprSimplifier

public ExprSimplifier(RexSimplify simplify,
                      boolean matchNullability)

Method Detail

visitCall

public RexNode visitCall(RexCall call)

Specified by:

visitCall in interface RexVisitor<RexNode>

Overrides:

visitCall in class RexShuttle