Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/6869#discussion_r32718418
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala
---
@@ -54,7 +56,6 @@ object EmptyRow extends InternalRow {
override def getBoolean(i: Int): Boolean = throw new
UnsupportedOperationException
override def getShort(i: Int): Short = throw new
UnsupportedOperationException
override def getByte(i: Int): Byte = throw new
UnsupportedOperationException
- override def getString(i: Int): String = throw new
UnsupportedOperationException
override def getAs[T](i: Int): T = throw new
UnsupportedOperationException
--- End diff --
`getAs` wil call `apply`, so we can also remove it?
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