[CDBI] Cascading Update

Jay Hargreaves jay at rigadon.com
Mon Feb 6 22:54:25 GMT 2006


Thanks for your reply James - I'm talking about the NewsCategory.id and 
so yes I'm talking about modifying a primary key. There must be some way 
to do this?

yoorobot wrote:
> Jay Hargreaves wrote:
> 
>> I've created an admin script to allow users to create/modify/delete 
>> News and NewsCategories entries. But I am having trouble when updating 
>> the NewsCategories entry with a new ID. If I just change the ID in the 
>> object and do an update nothing happens - perhaps I have missed 
>> something as this seems the obvious way to do this.
>>
> 
> I'm confused, NewsCategories has many News?  And so, you are trying to 
> update News.NewsCategory_id ? or NewsCategory.id?  In the latter case, 
> it /sounds/ like you're trying to muck with a primary key which is bound 
> to "not work" and in the former case, you could write an after update 
> trigger to handle updating the news category ids in News with a 
> different NewsCategory.id  (assuming that the intent is to change the 
> category the news item belongs to).   Sorry if I've read your question 
> wrong.
> 
> - James
> 
> 
> 

-- 
bingo, bango, bosh...




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