Re: basic use of migrations with MySQL...
Re: basic use of migrations with MySQL...
- Subject: Re: basic use of migrations with MySQL...
- From: Pascal Robert <email@hidden>
- Date: Tue, 24 Jun 2014 16:14:55 -0400
Le 2014-06-24 à 15:59, Ray Kiddy <email@hidden> a écrit :
>
> I should have been using migrations for a long time, but I have not. I
> have just never had the time to add another thing that might break. But
> you know. But I thought I knew the theory of it.
>
> So, the only place I am seeing basic documentation on the wocommunity
> site is in the page on creating an ERRest application. Is this right?
> Did I miss something? I know there have been WOWODC presentations, but
> that is not completely a replacement for a simple how-to document.
>
> But starting out, migrations seemed pretty easy to use. Ok, setting the
> encoding of the tables to latin1 instead of utf-8 was not amazingly
> helpful, but I can deal.
>
> But then I tried my first table change, as opposed to a create.
>
> alter table foo_table null column1 column2 varchar(10);
If I remember well, it happens if you use the MySQL plugin coming from WO 5.4. You have to use the one from Wonder.
> Hm. Not helpful. I guess falling back to reasonable defaults is not
> what happens here. I tried adding things to my classpath, such as the
> Wonder MySQL plugin framework. No difference.
>
> So, I now use my migration java sources as a convenient place for the
> comments which give me the SQL I have to execute manually to make this
> work. This is probably not the best use of this feature, though.
>
> Any obvious things I am missing before I try to debug this and,
> perhaps, put some basic documentation on the site?
>
> thanx - ray
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