/*
    * 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.shardingsphere.sqlfederation.optimizer.operator.physical;
  
  import org.apache.calcite.adapter.enumerable.EnumerableRel;
  import org.apache.calcite.adapter.enumerable.EnumerableRelImplementor;
  import org.apache.calcite.plan.RelOptCluster;
  import org.apache.calcite.plan.RelOptTable;
  import org.apache.calcite.plan.RelTraitSet;
  import org.apache.calcite.prepare.Prepare.CatalogReader;
  import org.apache.calcite.rel.RelNode;
  import org.apache.calcite.rel.core.TableModify;
  import org.apache.calcite.rex.RexNode;
  
  import java.util.List;
  
  /**
   * Enumerable modify.
   */
  public final class EnumerableModify extends TableModify implements EnumerableRel {
      
      public EnumerableModify(final RelOptCluster cluster, final RelTraitSet traitSet, final RelOptTable table, final CatalogReader catalogReader,
                              final RelNode input, final Operation operation, final List<String> updateColumnList, final List<RexNode> sourceExpressionList, final boolean flattened) {
          super(cluster, traitSet, table, catalogReader, input, operation, updateColumnList, sourceExpressionList, flattened);
      }
      
      @Override
      public RelNode copy(final RelTraitSet traitSet, final List<RelNode> inputs) {
          return new EnumerableModify(getCluster(), traitSet, getTable(), getCatalogReader(), sole(inputs), getOperation(), getUpdateColumnList(), getSourceExpressionList(), isFlattened());
      }
      
      @Override
      public Result implement(final EnumerableRelImplementor implementor, final Prefer prefer) {
          // TODO generate modification statements based on dataset and related table information.
          throw new UnsupportedOperationException();
      }
  }