MySQL
This section contains information that is specific to the database type MySQL.
Supported Functions
 The MySQL database can be used with:
 Database Bulk Lookup Functions (APL)
 Database Table Related Functions (APL)
 Event Notifications
 Prepared Statements (APL)
 SQL Collection/Forwarding Agents
 SQL Loader Agent
 Task Workflows Agents (SQL)
Properties
When selecting the MySQL database type, you can configure the following property using the Properties tab in the Database profile:
mysql.connectionpool.maxlimit
Preparations
The MySQL driver has to be downloaded to the Platform in order to connect to a MySQL database from .
You must proceed as follows:
Go to the MySQL web page and download Connector/J from MySQL Connectors:
https://dev.mysql.com/downloads/connector/j/Place the downloaded jar file in the
$MZ_HOME/3pp directory
.Restart the Platform and ECs for the change to take effect.
In addition, you must carry out the following preparations before attempting to connect to a MySQL database. The next step is to set the necessary transaction isolation levels. Edit the mysqld configuration files by adding this line:Â
mysqld Configuration File
transaction-isolation = READ-COMMITTED
To decrease re-connection overhead, database connections are saved in a connection pool. To set the connection pool size, set the Execution Context property mysql.connectionpool.maxlimit
in the relevant <pico>.conf
file:
$ mzsh topo set topo://container:<container>/pico:<pico name>/val:config.properties.mysql.connectionpool.maxlimit 45