com.hazelcast.org.apache.calcite.materialize.Lattices Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.org.apache.calcite.materialize;
/**
* Utilities for {@link Lattice}, {@link LatticeStatisticProvider}.
*/
public class Lattices {
private Lattices() {}
/** Statistics provider that uses SQL. */
public static final LatticeStatisticProvider.Factory SQL =
SqlLatticeStatisticProvider.FACTORY;
/** Statistics provider that uses SQL then stores the results in a cache. */
public static final LatticeStatisticProvider.Factory CACHED_SQL =
SqlLatticeStatisticProvider.CACHED_FACTORY;
/** Statistics provider that uses a profiler. */
public static final LatticeStatisticProvider.Factory PROFILER =
ProfilerLatticeStatisticProvider.FACTORY;
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy