/lib_mysqludf_sys

This fork adds make_toast function to fix mysql bug #2. (see details here: https://www.percona.com/blog/2016/04/01/fixing-mysql-bug2-now-mysql-makes-toast/) Plus it provides an original UDF library with functions to interact with the operating system. These functions allow you to interact with the execution environment in which MySQL runs.

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lib_mysqludf_sys

The fix for the historical bug #2 (http://bugs.mysql.com/bug.php?id=2) is here. Based on the UDF library with functions to interact with the operating system. These functions allow you to interact with the execution environment in which MySQL runs. I've added make_toast function and make_toast python script See here for more details: https://www.percona.com/blog/2016/04/01/fixing-mysql-bug2-now-mysql-makes-toast/

  • Install PiFace software and Python bindings
  • Test the make_toast python script
  • Add user “mysql” to the spi and gpio groups so it can manipulate pins:

gpasswd -a mysql gpio; gpasswd -a mysql spi

  • Download the make toast UDF code and run install.sh.