https://bugzilla.wikimedia.org/show_bug.cgi?id=37575
Web browser: ---
Bug #: 37575
Summary: Syntax error in SPARQL INSERT/DELETE DATA requests
when default graph not set
Product: MediaWiki extensions
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: major
Priority: Unprioritized
Component: Semantic MediaWiki
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
INSERT DATA and DELETE DATA requests generated by SMW_SparqlDatabase.php have
illegal syntax when the default graph is not set: they have double curly
brackets around the data:
INSERT DATA {{ ... }}
Here is a fix for the insertData function:
public function insertData( $triples, $extraNamespaces = array() ) {
if ( $this->m_dataEndpoint !== '' ) {
$turtle = self::getPrefixString( $extraNamespaces, false ) .
$triples;
return $this->doHttpPost( $turtle );
} else {
$sparql = self::getPrefixString( $extraNamespaces, true ) .
"INSERT DATA { " .
( ( $this->m_defaultGraph !== '' )? "GRAPH
<{$this->m_defaultGraph}> { " : '' ) .
" $triples } ";
// close extra curly bracket for graph clause
( ( $this->m_defaultGraph !== '' )? " } " : " ";
return $this->doUpdate( $sparql );
}
}
Same should work for deleteData as well. I have not verified if this same
problem occurs anywhere else.
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