I work on reporting apps against a warehouse, so I have to straddle the line 
between objects and things people load in the backend and report off of 
directly.



On May 11, 2011, at 4:51 PM, Mark Wardle wrote:

> Can you re-imagine your problem as objects instead of thinking of the
> database or do you have other code accessing SQL directly?
> 
> Mark
> 
> On 11 May 2011 20:14, Michael Gargano <[email protected]> wrote:
>> I was just talking to David Holt about this and he suggested I tap the brain 
>> trust.  :)
>> 
>> I was wondering if there is a database design pattern for a situation where 
>> I have some template structure
>> let's say
>> 
>>        tA <->> tB <->> tC  (records across these tables are the template, 
>> the template is a whole object graph rooted at one record in tA)
>> 
>> where the templates can be configured on a per tenant basis (so, the 
>> templates themselves are records that define defaults and new ones can be 
>> added when new tenants or templates are added).  I need to make a copy of a 
>> template that a tenant uses and make it local to a user (under that tenant) 
>> who can then customize the values in that template for their needs.
>> 
>> It's basically a class/instance kind of structure, but at the data level in 
>> the database.  It's as if I need to copy an EOs from one table to another 
>> where the destination table has a few more attributes than the source table 
>> did.  It's made more complicated by the fact that I need to copy that 
>> template object graph, not just one EO.
>> 
>> Any suggestions?
>> *Hopes beyond hope*
>> 
>> Thanks.
>> -Mike
>> 
>> 
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> 
> 
> 
> -- 
> Dr. Mark Wardle
> Specialist registrar, Neurology
> Cardiff, UK
> 

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