org.apache.calcite.rex

Class RexUtil.DnfHelper

java.lang.Object

org.apache.calcite.rex.RexUtil.DnfHelper

Enclosing class:

RexUtil

private static class RexUtil.DnfHelper
extends Object

Helps RexUtil.toDnf(org.apache.calcite.rex.RexBuilder, org.apache.calcite.rex.RexNode).

Field Summary

Fields

Modifier and Type	Field and Description
(package private) RexBuilder	rexBuilder

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DnfHelper(RexBuilder rexBuilder)

Method Summary

Modifier and Type	Method and Description
private RexNode	and(Iterable<? extends RexNode> nodes)
private RexNode	or(Iterable<? extends RexNode> nodes)
RexNode	toDnf(RexNode rex)
private List<RexNode>	toDnfs(List<RexNode> nodes)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

rexBuilder

final RexBuilder rexBuilder

Constructor Detail

DnfHelper

private DnfHelper(RexBuilder rexBuilder)

Method Detail

toDnf

public RexNode toDnf(RexNode rex)

toDnfs

private List<RexNode> toDnfs(List<RexNode> nodes)

and

private RexNode and(Iterable<? extends RexNode> nodes)

or

private RexNode or(Iterable<? extends RexNode> nodes)