/*
 * 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.drill.exec.planner.common;

import org.apache.calcite.plan.RelOptCluster;
import org.apache.calcite.plan.RelTraitSet;
import org.apache.calcite.rel.RelCollation;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rel.core.Sort;
import org.apache.calcite.rex.RexNode;

/**
 * Base class for logical and physical Sort implemented in Drill.
 */
public abstract class DrillSortRelBase extends Sort implements DrillRelNode, OrderedRel {

  protected DrillSortRelBase(RelOptCluster cluster, RelTraitSet traits, RelNode input, RelCollation collation) {
    super(cluster, traits, input, collation);
  }

  protected DrillSortRelBase(RelOptCluster cluster, RelTraitSet traits, RelNode input, RelCollation collation, RexNode offset, RexNode fetch) {
    super(cluster, traits, input, collation, offset, fetch);
  }

  @Override
  public RexNode getOffset() {
    return offset;
  }

  @Override
  public RexNode getFetch() {
    return fetch;
  }
}
