Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/3217#discussion_r20391569
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Row.scala
---
@@ -215,9 +223,11 @@ class GenericRow(protected[sql] val values:
Array[Any]) extends Row {
def copy() = this
}
-class GenericMutableRow(size: Int) extends GenericRow(size) with
MutableRow {
+class GenericMutableRow(v: Array[Any]) extends GenericRow(v) with
MutableRow {
/** No-arg constructor for serialization. */
- def this() = this(0)
+ def this() = this(null)
+
+ def this(size: Int) = this(new Array[Any](size))
--- End diff --
This seems like a totally reasonable change if you want to pull this into
another PR so I can commit it right away (optional if you want to finish the
discussion above).
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