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Blazegraph(TM) RDF Test Suites
PREFIX rdf:
PREFIX rdfs:
PREFIX foaf:
SELECT ?x ?o
WHERE {
# disable join order optimizer
hint:Group hint:optimizer "None" .
# One-bound using P___ index.
?x rdfs:label ?o .
# Two-bound. Uses POCS index by default, which is optimal.
?x rdf:type foaf:Person .
# Request a hash join against the statement index.
hint:Prior hint:hashJoin "true" .
# Override the statement index.
hint:Prior hint:com.bigdata.bop.IPredicate.keyOrder "PCSO" .
}
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