org.apache.calcite.materialize

Class Lattice.Node

java.lang.Object

org.apache.calcite.materialize.Lattice.Node

Enclosing class:

Lattice

public static class Lattice.Node
extends Object

Source relation of a lattice.

Relations form a tree; all relations except the root relation (the fact table) have precisely one parent and an equi-join condition on one or more pairs of columns linking to it.

Field Summary

Fields

Modifier and Type	Field and Description
String	alias
int	endCol
com.google.common.collect.ImmutableList<IntPair>	link
Lattice.Node	parent
TableScan	scan
int	startCol

Constructor Summary

Constructors

Constructor and Description
Lattice.Node(TableScan scan, Lattice.Node parent, List<IntPair> link, int startCol, int endCol, String alias)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

scan

public final TableScan scan

parent

public final Lattice.Node parent

link

public final com.google.common.collect.ImmutableList<IntPair> link

startCol

public final int startCol

endCol

public final int endCol

alias

public final String alias

Constructor Detail

Lattice.Node

public Lattice.Node(TableScan scan,
            Lattice.Node parent,
            List<IntPair> link,
            int startCol,
            int endCol,
            String alias)