EDG insert object with delete

[Kasia Kryczka]

Hi,

I would like to replace an object with a new object via following query (I'm using EDG):

DELETE {
  ?s ?p ?o .
}
INSERT {
 ?s ?p ?newO .
}
#SELECT DISTINCT ?o ? newO
WHERE {
  ?s ?p ?o .
   
  FILTER(STRSTARTS(STR(?o), "urn:") && STRENDS(STR(?o), "_P_Q"))
  BIND(REPLACE(STR(?o), "^(.*)ttt:(.*)_P_Q$", "$2") AS ?newOB)
  BIND(IRI(CONCAT("urn::", ? newOB  , "_Q")) AS ?newO)      
}

but i get the following error:

Failed to execute SPARQL request: org.apache.jena.graph.Node$NotLiteral: urn:_P_Q is not a literal node

Could you tell how I can correct it?

Thanks,

Kasia

[Holger Knublauch]

I don't see anything obviously wrong (although you may want to fix the last line to be

  BIND(IRI(CONCAT("urn:", ?newOB, "_Q")) AS ?newO)       

i.e. drop the duplicate ::

Was there anything else in the error message or log, i.e. a full stack trace? It is hard for me to try this out without having suitable instance data.

Holger

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[Kasia Kryczka]

Hi Holger,

no, only error #500 and this information.

Br,

Kasia

[Holger Knublauch]

Ok so would you be able to share a couple of instances where this is supposed to return something?

Also, does the SELECT variation work?

Holger

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[Kasia Kryczka]

The Select or Construct works fine  and shows everything but Insert doesn't work.

So we made backup in one instance and we wanted to restore data in the second instance and we needed to modify roles.

i also check the query on one more instance and it worked but on this testing one it shows this error.

Br,

Kasia

[Holger Knublauch]

Hi Kasia,

sorry I cannot think of a reason for this problem. Unless you can send me sample data to run this against, I am not sure how I could help further.

Thanks,

Holger

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[Kasia Kryczka]

Hi Holger,

We'll try to check it again on our end and if it doesn't help we'll share some data.

Thank you!

Kasia