Tidy comments. Project: http://git-wip-us.apache.org/repos/asf/jena/repo Commit: http://git-wip-us.apache.org/repos/asf/jena/commit/15e4e8fb Tree: http://git-wip-us.apache.org/repos/asf/jena/tree/15e4e8fb Diff: http://git-wip-us.apache.org/repos/asf/jena/diff/15e4e8fb
Branch: refs/heads/hadoop-rdf Commit: 15e4e8fb8354a3f6e1485c1653a7c509cd752063 Parents: 8b54987 Author: Andy Seaborne <a...@apache.org> Authored: Tue Nov 11 15:38:23 2014 +0000 Committer: Andy Seaborne <a...@apache.org> Committed: Tue Nov 11 15:38:23 2014 +0000 ---------------------------------------------------------------------- .../java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/jena/blob/15e4e8fb/jena-tdb/src/main/java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java ---------------------------------------------------------------------- diff --git a/jena-tdb/src/main/java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java b/jena-tdb/src/main/java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java index ab6fbe8..5287334 100644 --- a/jena-tdb/src/main/java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java +++ b/jena-tdb/src/main/java/com/hp/hpl/jena/tdb/solver/StageMatchTuple.java @@ -101,21 +101,18 @@ public class StageMatchTuple extends RepeatApplyIterator<BindingNodeId> if ( anyGraphs ) { iterMatches = Iter.operate(iterMatches, quadsToAnyTriples) ; - // If any slots were set, then the index would be ???G and we can use distinctAdjacent. - // If all slots are unset, the index is probably GSPO (SPOG would be better in this one case). - // This is a safe, if potentially costly, choice. - //Guaranteed //iterMatches = Iter.distinct(iterMatches) ; - // This depends on the way indexes are choose and + // This depends on the way indexes are chosen and // the indexing pattern. It assumes that the index // chosen ends in G so same triples are adjacent // in a union query. + // // If any slot is defined, then the index will be X??G. - // if no slot is defined, then the index will be ???G. + // If no slot is defined, then the index will be ???G. + // But the TupleTable // See TupleTable.scanAllIndex that ensures the latter. - // The former assumes indexes are either G... or ...G. // No G part way through. iterMatches = Iter.distinctAdjacent(iterMatches) ; }
