content: /*
   * Copyright [2024] [name of copyright owner]
   *
   * Licensed 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 com.aliyun.fastmodel.transform.hologres;
  
  import com.aliyun.fastmodel.core.tree.BaseStatement;
  import com.aliyun.fastmodel.transform.api.Transformer;
  import com.aliyun.fastmodel.transform.api.builder.BuilderFactory;
  import com.aliyun.fastmodel.transform.api.builder.StatementBuilder;
  import com.aliyun.fastmodel.transform.api.context.TransformContext;
  import com.aliyun.fastmodel.transform.api.dialect.Dialect;
  import com.aliyun.fastmodel.transform.api.dialect.DialectMeta;
  import com.aliyun.fastmodel.transform.api.dialect.DialectName;
  import com.aliyun.fastmodel.transform.api.dialect.DialectNode;
  import com.aliyun.fastmodel.transform.hologres.context.HologresTransformContext;
  import com.aliyun.fastmodel.transform.hologres.dialect.HologresVersion;
  import com.aliyun.fastmodel.transform.hologres.dialect.HologresVersion.Constants;
  import com.google.auto.service.AutoService;
  
  /**
   * 支持HologresV3的转换处理,3.0和2.0走一样的逻辑
   *
   * @author panguanjing
   * @date 2023/6/26
   */
  @Dialect(value = DialectName.Constants.HOLOGRES, version = Constants.V3)
  @AutoService(Transformer.class)
  public class HologresV3Transformer extends HologresV2Transformer {
      @Override
      public DialectNode transform(BaseStatement source, TransformContext context) {
          DialectMeta dialectMeta = DialectMeta.getByNameAndVersion(DialectName.HOLOGRES.getValue(), HologresVersion.V2);
          StatementBuilder builder = BuilderFactory.getInstance().getBuilder(source, dialectMeta, context);
          HologresTransformContext hologresTransformContext = new HologresTransformContext(context);
          hologresTransformContext.setUseAlterTableSetSentence(true);
          return builder.build(source, hologresTransformContext);
      }
  }
  