Hi Tim,
no sorry, String manipulations of SPARQL queries are not supported and
won't be supported in SPARQLMotion. I would like to keep at least the
queries in the language static so that future engines can analyze
existing queries in a script, for example to optimize them. We also
want to be able to change the storage format of the queries
themselves. More on that in 3.0 :)
Why can't you use sml:ModifyPrefixes?
Holger
On Oct 8, 2008, at 3:35 PM, Smith, Tim wrote:
> Hi – If I define a variable upstream of a ModifyPrefixes module, can
> I use it to define a prefix via the addedPrefix property?
>
> I was thinking of something like ?pre = “prefix <uri>” and using {?
> pre} to reference it in addedPrefix in a downstream ModifyPrefixes
> module.
>
> When I try this, I can define a variable to mimic the input format
> required for the prefix and, but the value does not appear to be
> substituted into the addedPrefix attribute. According to the help
> system, all string variables of SPARQLMotion modules should be able
> to accept a bound variable as input so I was hoping this might work.
>
>
> Thanks,
>
> Tim
>
> >
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