Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14527#discussion_r74187346
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -1865,7 +1865,7 @@ class Dataset[T] private[sql](
val resolver = sp
Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/14527#discussion_r74187361
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -1865,7 +1865,7 @@ class Dataset[T] private[sql](
val resolver = sp
Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/14527#discussion_r74187122
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala ---
@@ -1865,7 +1865,7 @@ class Dataset[T] private[sql](
val resolver = sparkS
GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/14527
[SPARK-16938][SQL] `dropDuplicate` should not raise exception on qualified
column names
## What changes were proposed in this pull request?
This PR fixes `dropDuplicate` not to raise
