/**
* Get the output string for a query in debugging mode.
*
* @param $query SMWQuery
* @return string
*/
public function getDebugQueryResult(SMWQuery $query)
{
$this->m_sortkeys = $query->sortkeys;
$sparqlCondition = $this->getSparqlCondition($query->getDescription());
$entries = array();
if ($sparqlCondition instanceof SMWSparqlSingletonCondition) {
if ($sparqlCondition->condition === '') {
// all URIs exist, no querying
$sparql = 'None (no conditions).';
} else {
$condition = $this->getSparqlConditionString($sparqlCondition);
$namespaces = $sparqlCondition->namespaces;
$sparql = smwfGetSparqlDatabase()->getSparqlForAsk($condition, $namespaces);
}
} elseif ($sparqlCondition instanceof SMWSparqlFalseCondition) {
$sparql = 'None (conditions can not be satisfied by anything).';
} else {
$condition = $this->getSparqlConditionString($sparqlCondition);
$namespaces = $sparqlCondition->namespaces;
$options = $this->getSparqlOptions($query, $sparqlCondition);
$options['DISTINCT'] = true;
$sparql = smwfGetSparqlDatabase()->getSparqlForSelect('?' . self::RESULT_VARIABLE, $condition, $options, $namespaces);
}
$sparql = str_replace(array('[', ':', ' '), array('[', ':', ' '), $sparql);
$entries['SPARQL Query'] = "<pre>{$sparql}</pre>";
return SMWStore::formatDebugOutput('SMWSparqlStore', $entries, $query);
}
/**
* @see SMWStore::drop()
* @since 1.6
*/
public function drop($verbose = true)
{
$this->baseStore->drop($verbose);
smwfGetSparqlDatabase()->delete("?s ?p ?o", "?s ?p ?o");
}
/**
* Convenience method for deleting all triples that have a subject that
* occurs in a triple with the given property and object. This is used
* in SMW to delete subobjects with all their data. Some RDF stores fail
* on complex delete queries, hence a wrapper function is provided to
* allow more pedestrian implementations.
*
* The function declares the standard namespaces wiki, swivt, rdf, owl,
* rdfs, property, xsd, so these do not have to be included in
* $extraNamespaces.
*
* @param $propertyName string Turtle name of marking property
* @param $objectName string Turtle name of marking object/value
* @param $extraNamespaces array (associative) of namespaceId => namespaceUri
* @return boolean stating whether the operations succeeded
*/
public function deleteContentByValue( $propertyName, $objectName, $extraNamespaces = array() ) {
return smwfGetSparqlDatabase()->delete( "?s ?p ?o", "?s $propertyName $objectName . ?s ?p ?o" );
}
public function drop( $verbose = true ) {
parent::drop( $verbose );
smwfGetSparqlDatabase()->delete( "?s ?p ?o", "?s ?p ?o" );
}
