[SPARK-18200][GRAPHX][FOLLOW-UP] Support zero as an initial capacity …

…in OpenHashSet
apache · Nov 3, 2016 · 95ad783 · 95ad783
1 parent 66a99f4
commit 95ad783
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/src/main/scala/org/apache/spark/util/collection/OpenHashSet.scala b/core/src/main/scala/org/apache/spark/util/collection/OpenHashSet.scala
@@ -272,7 +272,7 @@ class OpenHashSet[@specialized(Long, Int) T: ClassTag](
 
   private def nextPowerOf2(n: Int): Int = {
     if (n == 0) {
-      2
+      1
     } else {
       val highBit = Integer.highestOneBit(n)
       if (highBit == n) n else highBit << 1