Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/4115#discussion_r23250811
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/pythonUdfs.scala ---
@@ -143,7 +143,8 @@ object EvaluatePython {
* Convert Row into Java Array (for pickled into Python)
*/
def rowToArray(row: Row, fields: Seq[DataType]): Array[Any] = {
- row.zip(fields).map {case (obj, dt) => toJava(obj, dt)}.toArray
+ // TODO: this is slow!
+ row.toSeq.zip(fields).map {case (obj, dt) => toJava(obj, dt)}.toArray
--- End diff --
Haha, in this case probably not slower than python...
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