Re: recommended schema diff tools?

Hi,

about database schema migrations:

I am very happy with south http://south.aeracode.org/

It is written for django (python web framework), but could be used for database
migrations outside django, too.

   Thomas Güttler

Am 12.04.2012 17:10, schrieb Chris Angelico:
> On Fri, Apr 13, 2012 at 12:57 AM, Welty, Richard<rwelty@ltionline.com>  wrote:
>> can anyone recommend an open source tool for diffing schemas?
>>
>> (it should go without saying that i'm looking for ddl to update production
>> and QA DBs from development DBs, but i'll say it, just in case.)
>
> We toyed with this exact issue at work. In the end, we went the other
> direction, and created two files, both managed in source control: a
> .sql file with everything necessary to initialize the database from
> scratch, and a patch script. Every change gets done (by hand) to the
> primary .sql file, and the SQL statements needed to effect the
> transition (eg ALTER TABLE to add a column) get added to the patch
> script. ...

--
Thomas Guettler, http://www.thomas-guettler.de/
E-Mail: guettli (*) thomas-guettler + de