[Mulgara-dev] Problem w/ "insert select ..."

[Andrae Muys]

On 29/03/2007, at 3:02 PM, Eric Brown wrote:
>> Neither update nor replace have any meaning when working with  
>> rdf.  Updating a _property_ of an _instance_ is an operation that  
>> only makes sense when you have a concept of an _instance_ ---  
>> correspondingly update is an rdfs level operation.  What mulgara  
>> does provide is the concept of a transaction.  OTOH I would like  
>> to see improved support for compound operations.  Something along  
>> the lines of haskell's do syntax combined with a query/operation  
>> monad.  I've been referring to this as let-expressions, but really  
>> it about providing the ability to integrate side-effects (insert/ 
>> delete) cleanly into sequences/sets of queries.
>
> It'd be really nice if you could extend itql with very simple  
> stored procedures (or even just functions defined on the current  
> session). Of course things always start very simple...

mmm, I'm not entirely sure that what can't be done with a resolver  
already should be done at all.  What exactly did you have in mind  
that a resolver can't provide?

Andrae

-- 
Andrae Muys
andrae at netymon.com
Principal Mulgara Consultant
Netymon Pty Ltd