code: @Override
      public <T> Query<T> createSqlQuery(Class<T> entityType, String sql) {
          Assert.notNull(entityType, "entityType must not null");
          Assert.hasText(sql, "sql must has text");
          RawSqlBuilder rawSqlBuilder = RawSqlBuilder.parse(sql);
          return ebeanServer.find(entityType).setRawSql(rawSqlBuilder.create());
      }
docs: Return a query using native SQL.
  
  @param sql native SQL.
  @return the created Query using native SQL.