Re: Migrations and Prototypes Question
Re: Migrations and Prototypes Question
- Subject: Re: Migrations and Prototypes Question
- From: Tim Worman <email@hidden>
- Date: Mon, 22 Oct 2018 12:09:05 -0700
Thanks Samuel,
I don’t have a working wolips dev environment either. It may not be worth it to
dig deeper. I’m still a little mystified though as to why none of the attribute
metadata from the model is available to the sychronization frameworks. I’m sure
there’s a great explanation but that seems like a huge gap.
T
> On Oct 21, 2018, at 12:05 PM, Samuel Pelletier <email@hidden> wrote:
>
> Hi Tim,
>
> I have the same problem with FrontBase and found where the code is but never
> tried to fix it.
>
> If I remember correctly, the code you are looking for is in the WOLips
> eclipse plugin in the EOModeler module. I do not think it would be really
> hard to fix but I do not have a working setup for WOLips development.
>
> Samuel
>
>
>> Le 19 oct. 2018 à 16:08, Tim Worman <email@hidden> a écrit :
>>
>> I’ve got a conundrum and I’m hoping someone can help with it.
>>
>> My model has some date value attributes defined in an entity (not
>> timestamp). In one case I’m using the ‘date’ prototype and in another I’m
>> testing the ‘javaLocalDate’ prototype. When using these prototypes, all the
>> value conversions, etc., in the model are correct. They work. But I’ve
>> always been really flummoxed that migrations will never set the external
>> fields as ‘date’ types in the target database.
>>
>> So, I’ve been digging in to try and get to the bottom of it.
>>
>> My databases (OpenBase and MySQL) both support ‘date’ types. In my Wonder
>> version, OpenBase and MySQL plugins support the more modern
>> EOSchemaSynchronizationFactory and in both cases the proper synchronization
>> factory is initialized when needed.
>>
>> I’m overriding createTableStatementsForEntityGroup(NSArray entities)…
>>
>> Good, I have entities here...but when I log out the entities (and
>> attributes), none of the metadata about the attributes’ prototypes, value
>> conversions, etc., that appear in Entity Modeler are there - in other words
>> I have no way to capture the data type and override the external type that
>> is being sent to the database. When I log them out, all of the types are set
>> to NSTimestamp.
>>
>> Does anyone have any clues, tips, (or just hazard signs) that they can share
>> for why I’m finding this impossible?
>>
>> Tim
>> UCLA GSE&IS
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