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https://issues.apache.org/jira/browse/MARMOTTA-640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15339308#comment-15339308
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Rob Atkinson commented on MARMOTTA-640:
---------------------------------------
Hi Sergio,
the query looks like it works in SELECT mode - I'll try to test against
both H2 and Postgres. Much appreciate the work.
I am trying to get SPARQLWRAPPER to handle a CONSTRUCT query but it keeps
complaining about unsupported media type - i have tried letting it guess
returnFormat and setting to N3, XML with no luck. Any clues or worked
examples you could drop into the sparqlwrapper codebase?
Cheers
Rob
On Mon, 20 Jun 2016 at 17:53 Sergio Fernández (JIRA) <[email protected]>
> multiple UNIONs not handled
> ---------------------------
>
> Key: MARMOTTA-640
> URL: https://issues.apache.org/jira/browse/MARMOTTA-640
> Project: Marmotta
> Issue Type: Bug
> Components: KiWi Triple Store
> Affects Versions: 3.3.0
> Reporter: Rob Atkinson
> Assignee: Sergio Fernández
> Priority: Minor
> Labels: sparql, sql
> Fix For: 3.4.0
>
>
> fails with query below - but removing any of the union clauses works
> {code}
> PREFIX dcterms: <http://purl.org/dc/terms/>
> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
> PREFIX void: <http://rdfs.org/ns/void#>
> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
> PREFIX lid: <http://id.sirf.net/def/schema/lid/>
> SELECT *
> WHERE
> { { { <http://resources.opengeospatial.org/def/voc/examples/mdg> rdf:type
> ?___0 }
> OPTIONAL
> { { ?___0 rdfs:label ?___1 } }
> }
> UNION
> { <http://resources.opengeospatial.org/def/voc/examples/mdg> rdfs:label
> ?___2 }
> UNION
> { <http://resources.opengeospatial.org/def/voc/examples/mdg>
> void:sparqlendpoint ?___10 }
> }
> {code}
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