spark git commit: [SPARK-7375] [SQL] Avoid row copying in exchange when sort.serializeMapOutputs takes effect

Repository: spark Updated Branches: refs/heads/master 0a901dd3a - cde548388 [SPARK-7375] [SQL] Avoid row copying in exchange when sort.serializeMapOutputs takes effect This patch refactors the SQL `Exchange` operator's logic for determining whether map outputs need to be copied before being

spark git commit: [SPARK-7375] [SQL] Avoid row copying in exchange when sort.serializeMapOutputs takes effect

Repository: spark Updated Branches: refs/heads/branch-1.4 448ff333f - 21212a27c [SPARK-7375] [SQL] Avoid row copying in exchange when sort.serializeMapOutputs takes effect This patch refactors the SQL `Exchange` operator's logic for determining whether map outputs need to be copied before