DisjunctionMaxQuery shouldn't depend on disjunct order for equals checks #783
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For posterity, this is a port of apache/lucene#110, although there are some significant differences from how it was done there. This also changes the public API surface of DisjunctionMaxQuery's Disjuncts property, which is a breaking change, so I think my vote would be to hold this for a future release. I'm going to put this in the Future milestone unless @NightOwl888 wants me to pull it in for the next beta. |
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Fix #779 . The original fix in Lucene relied on its own implementation of multiset, a similar one is ported in this PR.
The changes break the consistence with the behavior of Lucene 4.8, but at least provide a solution for those who meet the same problem.