Re: UNIQUE constraint on Entity Modeler
Re: UNIQUE constraint on Entity Modeler
- Subject: Re: UNIQUE constraint on Entity Modeler
- From: Chuck Hill <email@hidden>
- Date: Wed, 29 Sep 2010 08:41:42 -0700
On Sep 29, 2010, at 7:00 AM, Ramsey Gurley wrote:
> http://developer.apple.com/legacy/mac/library/documentation/InternetWeb/Reference/WO542Reference/com/webobjects/eoaccess/EOEntityIndex.html
>
> EOEntityIndex is new in 5.4.x and would require plugin support for it to work. I assume that is at least one of the reasons why it does not work with Wonder's Postgres plugin. When I asked on list about this earlier, Chuck Hill said
>
> "Uh, if it was a beef roast, it would still be mooing. Nothing to do with Wonder. Consider it an API design sketch. It is a very good idea, just not ready for use."
I don't think anything has changed since then. IIRC (and it has been a while now), from "peeking" it appeared that even part inside of WO was incomplete. It would be a good thing to fix in Wonder.
Chuck
> On Sep 29, 2010, at 9:48 AM, Miguel Arroz wrote:
>
>> Hi!
>>
>> Thanks! Doesn't seem to work on PostgreSQL. :(
>>
>> Regards,
>>
>> Miguel Arroz
>>
>> On 2010/09/29, at 14:43, Kieran Kelleher wrote:
>>
>>> <NEwEntityIndex.jpg>
>>>
>>> Constraint setting on the index can then be set to 'Distinct' (which I assume is unique in database speak). Not sure if this works for all database platforms though.
>>>
>>> On Sep 29, 2010, at 9:35 AM, Miguel Arroz wrote:
>>>
>>>> Hi!
>>>>
>>>> I had the idea I saw, in some W(O)W(O)DC, someone talking about having a "unique" checkbox on Entity Modeler for a property. That would make the generated SQL have the UNIQUE constraint to the DB.
>>>>
>>>> Did I dream about this, or is it real? I can not find it anywhere.
>>>>
>>>> Regards,
>>>>
>>>> Miguel Arroz _______________________________________________
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.
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