[Zope-DB] ZODBC dictonaries

Oliver Marx Oliver@tekk.dk
Mon, 23 Sep 2002 14:07:45 +0200

M.-A. Lemburg wrote:
> Oliver Marx wrote:
>> M.-A. Lemburg wrote:
>>> Oliver Marx wrote:
>>>> M.-A. Lemburg wrote:
>>>>>> With ZODBCDA .dictionaries() is not supported. This is a known 
>>>>>> bug, but is there a solution?
>>>>>> http://www.zope.org/Members/spinwing/ZSQL_Results
>>>>> FYI, the mxODBC Zope DA will support this.
>>>> And it will be released under which license?
>>> The eGenix.com Commercial License; the exact pricing isn't decided
>>> yet, but it will be a very reasonable amount per Zope installation.
>  >
>> Then it is of very little interest, but we may for a period be forced 
>> to use it. We wish to release our product under a Open Source license 
>> which will conflict with the egenix Commercial License.
> As I understand the concept of Zope DAs, these are components
> which the user can install at will. The interfaces are standardized
> so switching DAs shouldn't be a problem for the user, provided
> that the applications built on top stick to the standard
> interfaces.
> That kind of strategy has proven to work well in the past
> (certainly in the ODBC driver world and in general for middleware),
> so I don't see any problem with licenses.

Well, isn't it obvious? :)
If the product relies on a DB then a DA is needed. If that DA is 
commercial. Then the product is no longer free or Open Source. So your 
DA can only be a temporary solution.