Merge pull request #85 from peiliping/transform

u
peiliping · Jul 26, 2017 · 07f1e74 · 07f1e74
2 parents 9ab99c7 + 89ed0db
commit 07f1e74
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/meepo/storage/Roaring64BitMap.java b/src/main/java/meepo/storage/Roaring64BitMap.java
@@ -67,7 +67,7 @@ public static Roaring64BitMap andNot(Roaring64BitMap r1, Roaring64BitMap r2) {
             result.core.put(key, r1.core.get(key).clone());
         Set<Long> crossKeys = new HashSet<>();
         crossKeys.addAll(r1.core.keySet());
-        crossKeys.removeAll(r2.core.keySet());
+        crossKeys.retainAll(r2.core.keySet());
         for (Long key : crossKeys) {
             RoaringBitmap t = RoaringBitmap.andNot(r1.core.get(key), r2.core.get(key));
             if (t.getCardinality() > 0)