Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/13286#discussion_r64498668
--- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/OutputMode.java
---
@@ -15,9 +15,10 @@
* limitations under the License.
*/
-package org.apache.spark.sql.catalyst.analysis
+package org.apache.spark.sql;
-sealed trait OutputMode
-
-case object Append extends OutputMode
-case object Update extends OutputMode
+public enum OutputMode {
+ Append,
+ Update,
--- End diff --
This actually raises a good question. I'm not sure if we can use enums
here as I think that we need to have a notion of a `key` in order to do an
`Update` mode.
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