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From: Jeremy J C. <jj...@sy...> - 2015-12-24 19:42:25
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I added a comment to this ticket with a possible workaround. We have continued performance issues with FILTER NOT EXISTS and initial trials seem to be showing better performance with MINUS, but we are nervous about the correctness issues. The workaround ensures there is always at least one shared variable between every binding, which IIRC, avoids the problem case. Jeremy |