[Developers] Query for Can't query for values of /type/text in a write, only those of /type/id

[Kurt Bollacker]

On Sun, Dec 23, 2007 at 05:53:12PM -0800, Arthur van Hoff wrote:
> Hi,
> 
> 
> Why can't I query for names in a write? Why isn't a write query
> semantically the same as a read query, only with side effects?

Reads and writes in MQL very very different beasts.  While it would be
logically possible to include arbitrary read clauses in a MQL write,
the syntax rules for writes would become far more complex than they
are now.  (e.g. Consider even the problem of ordering read and write
subclauses when the writes would affect what is being read.)  In
general, the only explicit read clause you can make in a write is for
"id" and "guid".

If there is something you cannot do or do easily because of this,
please speak up!

								Kurt :-)

 
>  
> 
> Have fun,
> 
>  
> 
>     Arthur van Hoff
> 
>  
> 
> ___________________________________________
> 
> Arthur van Hoff, Dell-ZING, CTO Software and Services.
> 
> W: 650-267-2413, F: 650-267-2498, M: 650-283-0842
> 
>  
> 

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