fixed sum() in Spark
Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/912139ee Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/912139ee Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/912139ee Branch: refs/heads/TINKERPOP-1777 Commit: 912139ee6b38e63138ca45009d8ef019c8b11da4 Parents: e51c8c8 Author: Daniel Kuppitz <daniel_kupp...@hotmail.com> Authored: Fri Mar 2 10:40:39 2018 -0700 Committer: Daniel Kuppitz <daniel_kupp...@hotmail.com> Committed: Fri Mar 2 10:41:36 2018 -0700 ---------------------------------------------------------------------- .../optimization/interceptor/SparkStarBarrierInterceptor.java | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/912139ee/spark-gremlin/src/main/java/org/apache/tinkerpop/gremlin/spark/process/computer/traversal/strategy/optimization/interceptor/SparkStarBarrierInterceptor.java ---------------------------------------------------------------------- diff --git a/spark-gremlin/src/main/java/org/apache/tinkerpop/gremlin/spark/process/computer/traversal/strategy/optimization/interceptor/SparkStarBarrierInterceptor.java b/spark-gremlin/src/main/java/org/apache/tinkerpop/gremlin/spark/process/computer/traversal/strategy/optimization/interceptor/SparkStarBarrierInterceptor.java index 3c89c1d..6509928 100644 --- a/spark-gremlin/src/main/java/org/apache/tinkerpop/gremlin/spark/process/computer/traversal/strategy/optimization/interceptor/SparkStarBarrierInterceptor.java +++ b/spark-gremlin/src/main/java/org/apache/tinkerpop/gremlin/spark/process/computer/traversal/strategy/optimization/interceptor/SparkStarBarrierInterceptor.java @@ -98,9 +98,9 @@ public final class SparkStarBarrierInterceptor implements SparkVertexProgramInte // USE SPARK DSL FOR THE RESPECTIVE END REDUCING BARRIER STEP OF THE TRAVERSAL final Object result; if (endStep instanceof CountGlobalStep) - result = nextRDD.map(Traverser::bulk).fold(0l, (a, b) -> a + b); + result = nextRDD.map(Traverser::bulk).fold(0L, (a, b) -> a + b); else if (endStep instanceof SumGlobalStep) { - result = nextRDD + result = nextRDD.isEmpty() ? null : nextRDD .map(traverser -> NumberHelper.mul(traverser.bulk(), (Number) traverser.get())) .fold(0, NumberHelper::add); } else if (endStep instanceof MeanGlobalStep) {
