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.rel.logical;
  
  import org.apache.calcite.plan.Convention;
  import org.apache.calcite.plan.RelOptCluster;
  import org.apache.calcite.plan.RelOptTable;
  import org.apache.calcite.plan.RelTraitSet;
  import org.apache.calcite.prepare.Prepare;
  import org.apache.calcite.rel.RelInput;
  import org.apache.calcite.rel.RelNode;
  import org.apache.calcite.rel.RelShuttle;
  import org.apache.calcite.rel.core.TableModify;
  import org.apache.calcite.rex.RexNode;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  import java.util.List;
  
  /**
   * Sub-class of {@link org.apache.calcite.rel.core.TableModify}
   * not targeted at any particular engine or calling convention.
   */
  public final class LogicalTableModify extends TableModify {
    //~ Constructors -----------------------------------------------------------
  
    /**
     * Creates a LogicalTableModify.
     *
     * <p>Use {@link #create} unless you know what you're doing.
     */
    public LogicalTableModify(RelOptCluster cluster, RelTraitSet traitSet,
        RelOptTable table, Prepare.CatalogReader schema, RelNode input,
        Operation operation, @Nullable List<String> updateColumnList,
        @Nullable List<RexNode> sourceExpressionList, boolean flattened) {
      super(cluster, traitSet, table, schema, input, operation, updateColumnList,
          sourceExpressionList, flattened);
    }
  
    /**
     * Creates a LogicalTableModify by parsing serialized output.
     */
    public LogicalTableModify(RelInput input) {
      super(input);
    }
  
    @Deprecated // to be removed before 2.0
    public LogicalTableModify(RelOptCluster cluster, RelOptTable table,
        Prepare.CatalogReader schema, RelNode input, Operation operation,
        List<String> updateColumnList, boolean flattened) {
      this(cluster,
          cluster.traitSetOf(Convention.NONE),
          table,
          schema,
          input,
          operation,
          updateColumnList,
          null,
          flattened);
    }
  
    /** Creates a LogicalTableModify. */
    public static LogicalTableModify create(RelOptTable table,
        Prepare.CatalogReader schema, RelNode input,
        Operation operation, @Nullable List<String> updateColumnList,
        @Nullable List<RexNode> sourceExpressionList, boolean flattened) {
      final RelOptCluster cluster = input.getCluster();
      final RelTraitSet traitSet = cluster.traitSetOf(Convention.NONE);
      return new LogicalTableModify(cluster, traitSet, table, schema, input,
          operation, updateColumnList, sourceExpressionList, flattened);
    }
  
    //~ Methods ----------------------------------------------------------------
  
    @Override public LogicalTableModify copy(RelTraitSet traitSet,
        List<RelNode> inputs) {
      assert traitSet.containsIfApplicable(Convention.NONE);
      return new LogicalTableModify(getCluster(), traitSet, table, catalogReader,
          sole(inputs), getOperation(), getUpdateColumnList(),
          getSourceExpressionList(), isFlattened());
    }
  
    @Override public RelNode accept(RelShuttle shuttle) {
      return shuttle.visit(this);
    }
  }
  