/*
    * 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.sql.parser.sql.dialect.statement.postgresql.dml;
  
  import lombok.Setter;
  import org.apache.shardingsphere.sql.parser.sql.common.segment.dml.ReturningSegment;
  import org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.OnDuplicateKeyColumnsSegment;
  import org.apache.shardingsphere.sql.parser.sql.common.segment.generic.WithSegment;
  import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.InsertStatement;
  import org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.PostgreSQLStatement;
  
  import java.util.Optional;
  
  /**
   * PostgreSQL insert statement.
   */
  @Setter
  public final class PostgreSQLInsertStatement extends InsertStatement implements PostgreSQLStatement {
      
      private WithSegment withSegment;
      
      private OnDuplicateKeyColumnsSegment onDuplicateKeyColumnsSegment;
      
      private ReturningSegment returningSegment;
      
      /**
       * Get with segment.
       *
       * @return with segment.
       */
      public Optional<WithSegment> getWithSegment() {
          return Optional.ofNullable(withSegment);
      }
      
      /**
       * Get on duplicate key columns segment.
       *
       * @return on duplicate key columns segment
       */
      public Optional<OnDuplicateKeyColumnsSegment> getOnDuplicateKeyColumns() {
          return Optional.ofNullable(onDuplicateKeyColumnsSegment);
      }
      
      /**
       * Get returning segment.
       *
       * @return returning segment
       */
      public Optional<ReturningSegment> getReturningSegment() {
          return Optional.ofNullable(returningSegment);
      }
  }