ok I see, yes that (*) was just pseudocode.

Thanks Andy.


On Fri, Nov 10, 2023 at 9:00 PM Andy Seaborne <a...@apache.org> wrote:

>
>
> On 10/11/2023 18:19, Marco Neumann wrote:
> > On Fri, Nov 10, 2023 at 5:51 PM Andy Seaborne <a...@apache.org> wrote:
> >
> >>
> >>
> >> On 10/11/2023 12:33, Marco Neumann wrote:
> >>> Should DELETE {URI URI * } not update all matching graph patterns?
> >>
> >> No.
> >> (and that's bad syntax)
> >>
> >
> > DELETE {<URI> <URI> ?x } is bad syntax?
>
> "*" is bad syntax.
>
> DELETE {<URI> <URI> ?x } is bad syntax for another reason - there must
> be a WHERE.
>
> >
> >
> >>> I had a case where only DELETE {URI URI NODE } did execute the update
> in
> >>> the dataset/graph/query fuseki UI.
> >>>
> >>> To be precise it is a DELETE INSERT combination with an empty WHERE
> >> clause.
> >>>
> >>> DELETE {pattern} INSERT{pattern} WHERE{ }
> >>
> >> the "pattern" is used as a template.
> >> DELETE {template} INSERT {template} WHERE {pattern}
> >>
> >> If the template has variables, these variables must be set by the WHERE
> >> clause. Otherwise triple patterns with unbound variables are skipped.
> >>
> >> There is no pattern matching  in a template.
> >>
> >> There is a short form DELETE WHERE { pattern } which is
> >> DELETE { pattern } WHERE {pattern}, using the pattern as the template.
> >>
> >>       Andy
> >>
> >>>
> >>> Marco
> >>>
> >>
> >
> >
>


-- 


---
Marco Neumann

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