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| Re: [CDO] DerbyStore and CLOB [message #426245 is a reply to message #426242] |
Mon, 22 December 2008 08:16   |
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Kai,
Unfortunately the proprietary DBStore has currently no means to
configure model-specific mappings.
But we'd be glad to have them. Are you interested in working together
with us for this purpose?
So Hibernate is certainly your only option if you don't want to
contribute ;-)
Cheers
/Eike
----
http://thegordian.blogspot.com
Kai Schlamp schrieb:
> Hy.
>
> Sometimes my EMF objects contain strings longer than the appropriate
> VARCHAR columns that CDO created for those objects in the derby
> database. Are there any options for the normal Derby Store to use
> CLOB's for specific attributes?
> Or is my only option to use the HibernateStore?
>
> Greets,
> Kai
Cheers
/Eike
----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper
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| Re: [CDO] DerbyStore and CLOB [message #426336 is a reply to message #426248] |
Thu, 25 December 2008 18:39 |
 Stefan Winkler
Messages: 307
Registered: July 2009
Location: Germany |
Senior Member |
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Hi,
some time ago, someone did propose an API to pass DB creation hints to
the DBStore (in that case it were custom DB indexes the DB store was
supposed to add). I can't remember if there's a bugzilla for that.
> But I will see how I can contribute as I dig further into CDO.
You are more than welcome to participate. :-)
> Perhaps with some kind of starter tutorial as I miss that a bit at the
> moment. Most of the info is a bit scattered (newsgroup, snippets,
> tutorial, Eclipsecon presentation) at the moment.
Most of CDOs internals are not very much documented explicitly, but the
code is quite readable and mostly harmless ... errr.... clean, that is. :-)
And if you have any questions about some of the mechanisms, please do
not hesitate to ask in the newsgroup. As the group of committers grows,
so does the amount of people who can answer questions on the newsgroup ...
Cheers,
Stefan
> I hope I will find some time in the near future.
>
> Greets,
> Kai
>
>
> Eike Stepper schrieb:
>> Kai,
>>
>> Unfortunately the proprietary DBStore has currently no means to
>> configure model-specific mappings.
>> But we'd be glad to have them. Are you interested in working together
>> with us for this purpose?
>>
>> So Hibernate is certainly your only option if you don't want to
>> contribute ;-)
>>
>> Cheers
>> /Eike
>>
>> ----
>> http://thegordian.blogspot.com
>>
>>
>>
>> Kai Schlamp schrieb:
>>> Hy.
>>>
>>> Sometimes my EMF objects contain strings longer than the appropriate
>>> VARCHAR columns that CDO created for those objects in the derby
>>> database. Are there any options for the normal Derby Store to use
>>> CLOB's for specific attributes?
>>> Or is my only option to use the HibernateStore?
>>>
>>> Greets,
>>> Kai
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