W3cubDocs

/MariaDB

SPIDER_BG_DIRECT_SQL

Syntax

SPIDER_BG_DIRECT_SQL('sql', 'tmp_table_list', 'parameters')

Description

Executes the given SQL statement in the background on the remote server, as defined in the parameters listing. If the query returns a result-set, it sttores the results in the given temporary table. When the given SQL statement executes successfully, this function returns the number of called UDF's. It returns 0 when the given SQL statement fails.

This function is a UDF installed with the Spider storage 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

See also

Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.

© 2019 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/spider_bg_direct_sql/