content: /*
   * 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 org.apache.calcite.adapter.csv;
  
  /** Planner rules relating to the CSV adapter. */
  public abstract class CsvRules {
    private CsvRules() {}
  
    /** Rule that matches a {@link org.apache.calcite.rel.core.Project} on
     * a {@link CsvTableScan} and pushes down projects if possible. */
    public static final CsvProjectTableScanRule PROJECT_SCAN =
        CsvProjectTableScanRule.Config.DEFAULT.toRule();
  }
  