Table with ENGINE=SPIDER provides incorrect values after first row of data from query

create schema if not exists Z214517;

use Z214517;

DROP TABLE IF EXISTS spider_test;

CREATE TABLE `spider_test` (

  `col1` tinyint(3) NOT NULL,  `col2` smallint(5) NOT NULL,  

  `col3` mediumint(7) NOT NULL, `col4` tinyint(3) NOT NULL,  

  `col5` smallint(5) NOT NULL,  `col6` smallint(5) NOT NULL,

  `col7` tinyint(3) NOT NULL,  `val` double NOT NULL,  

`upper` double DEFAULT NULL,  `lower` double DEFAULT NULL,

  PRIMARY KEY (`col1`,`col2`,`col3`,`col4`,`col5`,`col6`,`col7`)

) ENGINE=SPIDER COMMENT='wrapper "mysql", srv "dataNode1", table "spider_test"';

SELECT

col4 AS col1, col4 as x1, col4 as x2, col4 as x3, col4 as x4,

0 as nothing1, 0 as nothing2,

col4 as x5, col4 as x6, col4 as x7, col4 as x8

FROM spider_test;

limit 5;