Package org.apache.calcite.materialize

Class Lattices

java.lang.Object

org.apache.calcite.materialize.Lattices

public class Lattices
extends java.lang.Object

Utilities for Lattice, LatticeStatisticProvider.

Field Summary

Fields

Modifier and Type	Field	Description
static LatticeStatisticProvider.Factory	CACHED_SQL	Statistics provider that uses SQL then stores the results in a cache.
static LatticeStatisticProvider.Factory	PROFILER	Statistics provider that uses a profiler.
static LatticeStatisticProvider.Factory	SQL	Statistics provider that uses SQL.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Lattices()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

SQL

public static final LatticeStatisticProvider.Factory SQL

Statistics provider that uses SQL.

CACHED_SQL

public static final LatticeStatisticProvider.Factory CACHED_SQL

Statistics provider that uses SQL then stores the results in a cache.

PROFILER

public static final LatticeStatisticProvider.Factory PROFILER

Statistics provider that uses a profiler.

Constructor Detail

Lattices

private Lattices()