Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22514#discussion_r237756348
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateHiveTableAsSelectCommand.scala
---
@@ -95,9 +77,98 @@ case class CreateHiveTableAsSelectCommand(
Seq.empty[Row]
}
+ def getDataWritingCommand(
--- End diff --
I feel it's better to have 2 methods: `writingCommandForExistingTable`,
`writingCommandForNewTable`
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