content: /*
   * Copyright 1999-2022 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.nacos.plugin.datasource.mapper;
  
  import java.util.List;
  
  /**
   * The parent class of the all mappers.
   *
   * @author hyx
   **/
  
  public interface Mapper {
      
      /**
       * The select method contains columns and where params.
       * @param columns The columns
       * @param where The where params
       * @return The sql of select
       */
      String select(List<String> columns, List<String> where);
      
      /**
       * The insert method contains columns.
       * @param columns The columns
       * @return The sql of insert
       */
      String insert(List<String> columns);
      
      /**
       * The update method contains columns and where params.
       * @param columns The columns
       * @param where The where params
       * @return The sql of update
       */
      String update(List<String> columns, List<String> where);
      
      /**
       * The delete method contains.
       * @param params The params
       * @return The sql of delete
       */
      String delete(List<String> params);
      
      /**
       * The count method contains where params.
       *
       * @param where The where params
       * @return The sql of count
       */
      String count(List<String> where);
      
      /**
       * Get the name of table.
       * @return The name of table.
       */
      String getTableName();
      
      /**
       * Get the datasource name.
       * @return The name of datasource.
       */
      String getDataSource();
  
      /**
       * Get config_info table primary keys name.
       * The old default value: Statement.RETURN_GENERATED_KEYS
       * The new default value: new String[]{"id"}
       * @return an array of column names indicating the columns
       */
      String[] getPrimaryKeyGeneratedKeys();
  
      /**
       * Get function by functionName.
       *
       * @param functionName functionName
       * @return function
       */
      String getFunction(String functionName);
  }