Github user zzcclp commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/3032#discussion_r245324728
--- Diff:
integration/spark2/src/main/scala/org/apache/carbondata/spark/util/CarbonSparkUtil.scala
---
@@ -30,6 +31,10 @@ import org.apache.carbondata.core.util.CarbonUtil
case class TransformHolder(rdd: Any, mataData: CarbonMetaData)
+ /**
+ * carbon spark common methods
+ */
+
--- End diff --
remove this blank line---
