Re: ID Values in field-descriptor

[Thomas Mahler]

Hi Oleg,

Oleg Nitz wrote:
> Hi!
>
> You are right. But I am about to commit to CVS my changes that make
> ID not required

thanks for working on this feature! getting rid of the ID hassle is very important!

best wishes for th enew year,
Thomas

> and for collections it will be possible to use
> "field-ref" attribute with the name of the field instead of
> "field-id-ref" with its ID.
>
> Regards, Oleg
>
> -----Original Message----- From: [EMAIL PROTECTED] To: OJB Users
> List <[EMAIL PROTECTED]> Date: Thu, 2 Jan 2003 12:53:31
> +1100 Subject: ID Values in field-descriptor
>
>
>> I am trying to determine the rules for allocating the IDs in the
>> field-descriptor for the repository.xml, particularly with
>> references and collections. These are the rules I have determined
>> so far:
>>
>> 1) An ID must be unique within a table. 2) The IDs in the table do
>> not need to be contiguous. There may be gaps in the sequence. 3)
>> The IDs do not need to refer to the position of the column in the
>> table. (This was mentioned in the DTD, but it is not required
>> according to the code.) 4) For a reference or a collection the IDs
>> in the two tables need to match. (method
>> ObjectReferenceDescriptor.getForeignKeyDescriptors)
>>
>> Can anyone confirm this or explain what the rules are?
>>
>>
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