LinkedIn has what they call "inDays" where employees may so something interesting which may not be directly related to their day job. I spent my inDay by porting my old WL820 project (External Language Stored Procedures) to MariaDB 5.3.
The code, as usual, is available on LaunchPad ... To get the branch, simply do:
bzr branch lp:~atcurtis/maria/5.3-wl820
The test cases pass... I haven't tested
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