@Override
    public MapperResult findAllConfigInfoBaseFetchRows(MapperContext context) {
        String sql =
                "SELECT t.id,data_id,group_id,content,md5" + " FROM ( SELECT id FROM config_info ORDER BY id LIMIT "
                        + context.getStartRow() + "," + context.getPageSize() + " )"
                        + " g, config_info t  WHERE g.id = t.id ";
        return new MapperResult(sql, Collections.emptyList());
    }
@Test
    void testFindAllConfigInfoBaseFetchRows() {
        MapperResult mapperResult = configInfoMapperByMySql.findAllConfigInfoBaseFetchRows(context);
        assertEquals(mapperResult.getSql(),
                "SELECT t.id,data_id,group_id,content,md5 FROM ( SELECT id FROM config_info ORDER BY id LIMIT " + context.getStartRow()
                        + "," + context.getPageSize() + " ) g, config_info t  WHERE g.id = t.id ");
        assertArrayEquals(mapperResult.getParamList().toArray(), emptyObjs);
    }