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.

Fields
Modifier and Type	Field	Description
`com.google.common.collect.ImmutableList<LatticeNode>`	`descendants`	Descendants, in prefix order.
`(package private) com.google.common.collect.ImmutableList<Path>`	`paths`

Fields inherited from class org.apache.calcite.materialize.LatticeNode
alias, digest, endCol, startCol, table

All Methods Instance Methods Concrete Methods
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.
`private com.google.common.collect.ImmutableList<Path>`	`createPaths(LatticeSpace space)`
`(package private) boolean`	`isValid(Litmus litmus)`	Validates that nodes form a tree; each node except the first references a predecessor.
`(package private) void`	`use(java.util.List<LatticeNode> usedNodes)`

Methods inherited from class org.apache.calcite.materialize.LatticeNode
createPathsRecurse, flattenTo, relOptTable, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

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

final com.google.common.collect.ImmutableList<Path> paths

LatticeRootNode(LatticeSpace space,
                MutableNode mutableNode)

Class LatticeRootNode