Steven Mackenzie steven.mackenzie at aptile.co.uk
Thu Nov 10 17:10:05 GMT 2005

William Ross wrote:

> if I read this correctly, the more orthodox solution would be to 


> include a 'writer' column in the CD (or more likely Genre) class and 
> define a has_a relationship on that column that inflates to the 
> appropriate Writer object and deflates back to whatever arbitrary tag 
> you're using to identify it. Then you don't have to worry about 
> uniqueness and destruction at all.

Neat. But in my case it would need to be a temporary column, as my
choice of writer might not actually be related to anything stored in the

Can I create a temporary column and inflate that with a has_a?

That sounds quicker than making another wrapper class ...

> .2p

2p well spent, thanks for that ...

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