/*
    * 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.infra.database.opengauss.metadata.database.option;
  
  import org.apache.shardingsphere.infra.database.core.metadata.database.metadata.option.datatype.DialectDataTypeOption;
  import org.apache.shardingsphere.infra.database.postgresql.metadata.database.option.PostgreSQLDataTypeOption;
  
  import java.util.Map;
  import java.util.Optional;
  
  /**
   * Data type option for openGauss.
   */
  public final class OpenGaussDataTypeOption implements DialectDataTypeOption {
      
      private final DialectDataTypeOption delegate = new PostgreSQLDataTypeOption();
      
      @Override
      public Map<String, Integer> getExtraDataTypes() {
          return delegate.getExtraDataTypes();
      }
      
      @Override
      public Optional<Class<?>> findExtraSQLTypeClass(final int dataType, final boolean unsigned) {
          return Optional.empty();
      }
      
      @Override
      public boolean isIntegerDataType(final int sqlType) {
          return delegate.isIntegerDataType(sqlType);
      }
      
      @Override
      public boolean isStringDataType(final int sqlType) {
          return delegate.isStringDataType(sqlType);
      }
      
      @Override
      public boolean isBinaryDataType(final int sqlType) {
          return delegate.isBinaryDataType(sqlType);
      }
  }