Pierre-Yves David <pierre-yves.david@octobus.net> [Mon, 27 Aug 2018 11:40:32 +0200] rev 4011
sqlcache: protect read query too
Some error (like locked database) can even happens when doing readonly
operation. So we protect them too.
At that point, it seems that pysqlite3 is not the right tool for this job.