orage engine.

Examples
--------

SELECT SPIDER_BG_DIRECT_SQL('SELECT * FROM example_table',  '', 
 'srv "node1", port "8607"') AS "Direct Query";
+--------------+
| Direct Query | 
+--------------+
|            1 |
+--------------+

Parameters
----------

error_rw_mode
-------------

* Description: Returns empty results on network error.
0 : Return error on getting network error.
1: Return 0 records on getting network error.

* Default Table Value: 0
* DSN Parameter Name: erwm

URL: https://mariadb.com/kb/en/spider_bg_direct_sql/https://mariadb.com/kb/en/spider_bg_direct_sql/