Package org.apache.calcite.materialize

Class LatticeRootNode

java.lang.Object

org.apache.calcite.materialize.LatticeNode

org.apache.calcite.materialize.LatticeRootNode

public class LatticeRootNode
extends LatticeNode

Root node in a Lattice. It has no parent.

Field Summary

Fields

Modifier and Type	Field	Description
final com.google.common.collect.ImmutableList<LatticeNode>	descendants	Descendants, in prefix order.

Fields inherited from class org.apache.calcite.materialize.LatticeNode

alias, digest, table

Method Summary

Modifier and Type	Method	Description
boolean	contains(LatticeRootNode node)	Whether this node's graph is a super-set of (or equal to) another node's graph.

Methods inherited from class org.apache.calcite.materialize.LatticeNode

relOptTable, toString

Methods inherited from class java.lang.Object

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

Field Details

descendants

public final com.google.common.collect.ImmutableList<LatticeNode> descendants

Descendants, in prefix order. This root node is at position 0.

Method Details

contains

public boolean contains(LatticeRootNode node)

Whether this node's graph is a super-set of (or equal to) another node's graph.