code: public List<Map<String, Object>> queryObjJoinByCondition(String sql) {
  
  		/*		JdbcTemplate jdbcTemplate = (JdbcTemplate) MicroDbHolder
  		.getDbSource(dbName);*/
  		JdbcTemplate jdbcTemplate = getMicroJdbcTemplate();
  		logger.debug(sql);
  		List<Map<String, Object>> retList0 = jdbcTemplate.queryForList(sql);
  		//add 201807 ning
  		//List<Map<String, Object>> retList=changeOutKeyCase4List(retList0);
  		//add 201902 ning
  		List<Map<String, Object>> retList=ignoreKeyCase((List)retList0);
  		return retList;
  	}
docs: /*
  锟斤拷锟絪ql锟斤拷询