Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12146#discussion_r58477796
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala ---
@@ -47,18 +47,38 @@ case class AnalyzeTable(tableName: String) extends
RunnableCommand {
}
/**
- * Drops a table from the metastore and removes it if it is cached.
+ * Drops a table/view from the metastore and removes it if it is cached.
*/
private[hive]
case class DropTable(
--- End diff --
Actually, I tried it. : ) That is why I submitted the PR
https://github.com/apache/spark/pull/12134.
A little bit hard. Let me list what I hit:
- unable to recognize the exception
`org.apache.hadoop.hive.ql.metadata.InvalidTableException`, if we move it to
sql/core.
- some operations are hive only. For example, `invalidateTable`, which is
to remove the table from the `metastoreCatalog`
- SQLContext does not allow `Drop Table`.
I did not do it since I assume we will combine Hive Context and SQL Context
very soon. At that moment, it might be much easier?
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