Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/12324#discussion_r59679386
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
---
@@ -131,6 +131,124 @@ class HiveDDLSuite extends QueryTest with
SQLTestUtils with TestHiveSingleton {
}
}
+ test("alter views - rename") {
+ val tabName = "tab1"
+ withTable(tabName) {
+ sqlContext.range(10).write.saveAsTable(tabName)
+ val oldViewName = "view1"
+ val newViewName = "view2"
+ withView(oldViewName, newViewName) {
+ val catalog = hiveContext.sessionState.catalog
+ sql(s"CREATE VIEW $oldViewName AS SELECT * FROM $tabName")
+
+ assert(catalog.tableExists(TableIdentifier(oldViewName)))
+ assert(!catalog.tableExists(TableIdentifier(newViewName)))
+ sql(s"ALTER VIEW $oldViewName RENAME TO $newViewName")
+ assert(!catalog.tableExists(TableIdentifier(oldViewName)))
+ assert(catalog.tableExists(TableIdentifier(newViewName)))
+
+ sql(s"DROP VIEW $newViewName")
--- End diff --
`withView` will help us drop the view at last.
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