light9 Changeset - eccb02a704cf

Changeset - eccb02a704cf

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Drew Perttula - 11 years ago 2014-06-15 07:07:09
drewp@bigasterisk.com

big speedup on graph.contains
Ignore-this: 53c970be29bac62467052ba11cedce53

1 file changed with 5 insertions and 1 deletions:

light9/rdfdb/rdflibpatch.py

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light9/rdfdb/rdflibpatch.py

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@@ @@ -53,7 +53,11 @@ def inGraph(spoc, graph): @@
     c is just a URIRef.
     Workaround for https://github.com/RDFLib/rdflib/issues/398
     """
     return (spoc[:3] + (Graph(identifier=spoc[3]),)) in graph.quads()
     spoi = spoc[:3] + (Graph(identifier=spoc[3]),)
     if spoi not in graph:
         # this is a huge speedup, avoid many whole-graph scans
         return False
     return spoi in graph.quads()
 def graphFromQuads(q):

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