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Core Calcite APIs and engine.

There is a newer version: 1.21.0.265

/*
 * 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.
 */

/**
 * Defines relational expressions.
 *
 * Related packages and classes
 * 
 *
 * Package 
 * org.apache.calcite.sql
 * is an object model for SQL expressions
 *
 * 
Package 
 * org.apache.calcite.rex
 * is an object model for relational row expressions
 *
 * 
Package 
 * org.apache.calcite.plan
 * provides an optimizer interface.
 *
 * 
 */
@PackageMarker
package org.apache.calcite.rel;

import org.apache.calcite.avatica.util.PackageMarker;

// End package-info.java