[erlang-questions] Emysql: a cry for help (Harbinger is releasing control)

Michael Truog <>
Wed Nov 19 17:37:03 CET 2014


On 11/19/2014 06:40 AM, Jesper Louis Andersen wrote:
> Hi Everyone,
>
> You may know that I was maintaining the Emysql code base for Erlang for a while. It is a driver for MySQL which seem to be quite popular. However, as of late, I have not really been maintaining it anymore, and I see no reason to continuing doing so:
>
> * I have no passion for MySQL. It is the worst database in existence ever and I utterly hate working with it.
> * Its client/server protocol is utterly useless in every way. How to parse the response to a command depends on which command you send which requires you to textually parse the command.
> * Like many other drivers, it conflates the communication protocol with the pooling facility.
> * The low-level protocol handling is wrong, which leads to a wrong timeout structure in all of the code base.
>
> ... and many more things I dislike. However, since so many are stuck with MySQL, there is a genuine need to maintain a driver, however weak it happens to be.
>
> Currently, the project is slipping through my fingers. There are several pull requests which has not been addressed but ought to be. If I were involved with the driver at work, I would be able to set aside some time for the maintenance, but frankly, it is not something I am willing to do unless I get paid for it. The code base simply burns me out.
>
> So I am throwing the towel into the ring. Don't look at this as a bad thing! What I am doing is to make it official that I have no intention to maintain the driver and someone else has to do it. This is a much better outcome in the long run than me pretending to maintain something which I really don't. I better do this than keep people in limbo as to where the code base is headed.
>
> I hope someone picks up the reins. There are several pull requests which all have to be merged. There is a nice test suite, and with little work, Travis CI support is salvageable. And I am here to answer any questions someone might have.
>
> In general, however, database drivers are in a very sad state in Erlang-land. But fixing that requires someone who will write a generic driver infrastructure and not doing so in anger because there is another project which needs to be addressed. Loic Hoguin's "bank" project is promising, but I don't know where it stands.
>
> And now, to address other projects for which I still do have the passion :)
>
> Code is here:
>
> github.com/Eonblast/emysql <http://github.com/Eonblast/emysql>
>
> -- 
> J.
>
>
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> 
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CloudI (http://cloudi.org) has emysql integration along with three postgres drivers and a common interface (in addition to various other database driver integration).

- Michael
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