content: package com.java2nb.novel.mapper;
  
  import static com.java2nb.novel.mapper.UserBuyRecordDynamicSqlSupport.*;
  import static org.mybatis.dynamic.sql.SqlBuilder.*;
  
  import com.java2nb.novel.entity.UserBuyRecord;
  import java.util.Collection;
  import java.util.List;
  import java.util.Optional;
  import javax.annotation.Generated;
  import org.apache.ibatis.annotations.DeleteProvider;
  import org.apache.ibatis.annotations.InsertProvider;
  import org.apache.ibatis.annotations.Mapper;
  import org.apache.ibatis.annotations.Result;
  import org.apache.ibatis.annotations.ResultMap;
  import org.apache.ibatis.annotations.Results;
  import org.apache.ibatis.annotations.SelectProvider;
  import org.apache.ibatis.annotations.UpdateProvider;
  import org.apache.ibatis.type.JdbcType;
  import org.mybatis.dynamic.sql.BasicColumn;
  import org.mybatis.dynamic.sql.delete.DeleteDSLCompleter;
  import org.mybatis.dynamic.sql.delete.render.DeleteStatementProvider;
  import org.mybatis.dynamic.sql.insert.render.InsertStatementProvider;
  import org.mybatis.dynamic.sql.insert.render.MultiRowInsertStatementProvider;
  import org.mybatis.dynamic.sql.select.CountDSLCompleter;
  import org.mybatis.dynamic.sql.select.SelectDSLCompleter;
  import org.mybatis.dynamic.sql.select.render.SelectStatementProvider;
  import org.mybatis.dynamic.sql.update.UpdateDSL;
  import org.mybatis.dynamic.sql.update.UpdateDSLCompleter;
  import org.mybatis.dynamic.sql.update.UpdateModel;
  import org.mybatis.dynamic.sql.update.render.UpdateStatementProvider;
  import org.mybatis.dynamic.sql.util.SqlProviderAdapter;
  import org.mybatis.dynamic.sql.util.mybatis3.MyBatis3Utils;
  
  @Mapper
  public interface UserBuyRecordMapper {
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      BasicColumn[] selectList = BasicColumn.columnList(id, userId, bookId, bookName, bookIndexId, bookIndexName, buyAmount, createTime);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @SelectProvider(type=SqlProviderAdapter.class, method="select")
      long count(SelectStatementProvider selectStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @DeleteProvider(type=SqlProviderAdapter.class, method="delete")
      int delete(DeleteStatementProvider deleteStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @InsertProvider(type=SqlProviderAdapter.class, method="insert")
      int insert(InsertStatementProvider<UserBuyRecord> insertStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @InsertProvider(type=SqlProviderAdapter.class, method="insertMultiple")
      int insertMultiple(MultiRowInsertStatementProvider<UserBuyRecord> multipleInsertStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @SelectProvider(type=SqlProviderAdapter.class, method="select")
      @ResultMap("UserBuyRecordResult")
      Optional<UserBuyRecord> selectOne(SelectStatementProvider selectStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @SelectProvider(type=SqlProviderAdapter.class, method="select")
      @Results(id="UserBuyRecordResult", value = {
          @Result(column="id", property="id", jdbcType=JdbcType.BIGINT, id=true),
          @Result(column="user_id", property="userId", jdbcType=JdbcType.BIGINT),
          @Result(column="book_id", property="bookId", jdbcType=JdbcType.BIGINT),
          @Result(column="book_name", property="bookName", jdbcType=JdbcType.VARCHAR),
          @Result(column="book_index_id", property="bookIndexId", jdbcType=JdbcType.BIGINT),
          @Result(column="book_index_name", property="bookIndexName", jdbcType=JdbcType.VARCHAR),
          @Result(column="buy_amount", property="buyAmount", jdbcType=JdbcType.INTEGER),
          @Result(column="create_time", property="createTime", jdbcType=JdbcType.TIMESTAMP)
      })
      List<UserBuyRecord> selectMany(SelectStatementProvider selectStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      @UpdateProvider(type=SqlProviderAdapter.class, method="update")
      int update(UpdateStatementProvider updateStatement);
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default long count(CountDSLCompleter completer) {
          return MyBatis3Utils.countFrom(this::count, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int delete(DeleteDSLCompleter completer) {
          return MyBatis3Utils.deleteFrom(this::delete, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int deleteByPrimaryKey(Long id_) {
          return delete(c -> 
              c.where(id, isEqualTo(id_))
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int insert(UserBuyRecord record) {
          return MyBatis3Utils.insert(this::insert, record, userBuyRecord, c ->
              c.map(id).toProperty("id")
              .map(userId).toProperty("userId")
              .map(bookId).toProperty("bookId")
              .map(bookName).toProperty("bookName")
              .map(bookIndexId).toProperty("bookIndexId")
              .map(bookIndexName).toProperty("bookIndexName")
              .map(buyAmount).toProperty("buyAmount")
              .map(createTime).toProperty("createTime")
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int insertMultiple(Collection<UserBuyRecord> records) {
          return MyBatis3Utils.insertMultiple(this::insertMultiple, records, userBuyRecord, c ->
              c.map(id).toProperty("id")
              .map(userId).toProperty("userId")
              .map(bookId).toProperty("bookId")
              .map(bookName).toProperty("bookName")
              .map(bookIndexId).toProperty("bookIndexId")
              .map(bookIndexName).toProperty("bookIndexName")
              .map(buyAmount).toProperty("buyAmount")
              .map(createTime).toProperty("createTime")
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int insertSelective(UserBuyRecord record) {
          return MyBatis3Utils.insert(this::insert, record, userBuyRecord, c ->
              c.map(id).toPropertyWhenPresent("id", record::getId)
              .map(userId).toPropertyWhenPresent("userId", record::getUserId)
              .map(bookId).toPropertyWhenPresent("bookId", record::getBookId)
              .map(bookName).toPropertyWhenPresent("bookName", record::getBookName)
              .map(bookIndexId).toPropertyWhenPresent("bookIndexId", record::getBookIndexId)
              .map(bookIndexName).toPropertyWhenPresent("bookIndexName", record::getBookIndexName)
              .map(buyAmount).toPropertyWhenPresent("buyAmount", record::getBuyAmount)
              .map(createTime).toPropertyWhenPresent("createTime", record::getCreateTime)
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default Optional<UserBuyRecord> selectOne(SelectDSLCompleter completer) {
          return MyBatis3Utils.selectOne(this::selectOne, selectList, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default List<UserBuyRecord> select(SelectDSLCompleter completer) {
          return MyBatis3Utils.selectList(this::selectMany, selectList, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default List<UserBuyRecord> selectDistinct(SelectDSLCompleter completer) {
          return MyBatis3Utils.selectDistinct(this::selectMany, selectList, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default Optional<UserBuyRecord> selectByPrimaryKey(Long id_) {
          return selectOne(c ->
              c.where(id, isEqualTo(id_))
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int update(UpdateDSLCompleter completer) {
          return MyBatis3Utils.update(this::update, userBuyRecord, completer);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      static UpdateDSL<UpdateModel> updateAllColumns(UserBuyRecord record, UpdateDSL<UpdateModel> dsl) {
          return dsl.set(id).equalTo(record::getId)
                  .set(userId).equalTo(record::getUserId)
                  .set(bookId).equalTo(record::getBookId)
                  .set(bookName).equalTo(record::getBookName)
                  .set(bookIndexId).equalTo(record::getBookIndexId)
                  .set(bookIndexName).equalTo(record::getBookIndexName)
                  .set(buyAmount).equalTo(record::getBuyAmount)
                  .set(createTime).equalTo(record::getCreateTime);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      static UpdateDSL<UpdateModel> updateSelectiveColumns(UserBuyRecord record, UpdateDSL<UpdateModel> dsl) {
          return dsl.set(id).equalToWhenPresent(record::getId)
                  .set(userId).equalToWhenPresent(record::getUserId)
                  .set(bookId).equalToWhenPresent(record::getBookId)
                  .set(bookName).equalToWhenPresent(record::getBookName)
                  .set(bookIndexId).equalToWhenPresent(record::getBookIndexId)
                  .set(bookIndexName).equalToWhenPresent(record::getBookIndexName)
                  .set(buyAmount).equalToWhenPresent(record::getBuyAmount)
                  .set(createTime).equalToWhenPresent(record::getCreateTime);
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int updateByPrimaryKey(UserBuyRecord record) {
          return update(c ->
              c.set(userId).equalTo(record::getUserId)
              .set(bookId).equalTo(record::getBookId)
              .set(bookName).equalTo(record::getBookName)
              .set(bookIndexId).equalTo(record::getBookIndexId)
              .set(bookIndexName).equalTo(record::getBookIndexName)
              .set(buyAmount).equalTo(record::getBuyAmount)
              .set(createTime).equalTo(record::getCreateTime)
              .where(id, isEqualTo(record::getId))
          );
      }
  
      @Generated("org.mybatis.generator.api.MyBatisGenerator")
      default int updateByPrimaryKeySelective(UserBuyRecord record) {
          return update(c ->
              c.set(userId).equalToWhenPresent(record::getUserId)
              .set(bookId).equalToWhenPresent(record::getBookId)
              .set(bookName).equalToWhenPresent(record::getBookName)
              .set(bookIndexId).equalToWhenPresent(record::getBookIndexId)
              .set(bookIndexName).equalToWhenPresent(record::getBookIndexName)
              .set(buyAmount).equalToWhenPresent(record::getBuyAmount)
              .set(createTime).equalToWhenPresent(record::getCreateTime)
              .where(id, isEqualTo(record::getId))
          );
      }
  }