/*
 * 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.sql2rel;

import org.apache.calcite.plan.RelOptCluster;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rel.core.RelFactories;
import org.apache.calcite.sql.validate.SqlValidator;
import org.apache.calcite.tools.RelBuilder;
import org.apache.calcite.util.ReflectiveVisitor;

/*
 * OVERRIDE POINT:
 * - disable the whole RelFieldTrimmer
 */

public class RelFieldTrimmer implements ReflectiveVisitor {

    public RelFieldTrimmer(SqlValidator validator, RelBuilder relBuilder) {
    }

    public RelFieldTrimmer(SqlValidator validator, RelOptCluster cluster, RelFactories.ProjectFactory projectFactory, RelFactories.FilterFactory filterFactory, RelFactories.JoinFactory joinFactory, RelFactories.SemiJoinFactory semiJoinFactory, RelFactories.SortFactory sortFactory, RelFactories.AggregateFactory aggregateFactory, RelFactories.SetOpFactory setOpFactory) {
    }

    public RelNode trim(RelNode rootRel) {
        return rootRel;
    }

}
