MaxGekk commented on a change in pull request #31524:
URL: https://github.com/apache/spark/pull/31524#discussion_r573842447
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File path: docs/sql-ref-syntax-ddl-alter-view.md
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@@ -28,6 +28,8 @@ the name of a view to a different name, set and unset the
metadata of the view b
Renames the existing view. If the new view name already exists in the source
database, a `TableAlreadyExistsException` is thrown. This operation
does not support moving the views across databases.
+If the view is cached, the command clears cached data of the view and all its
dependents that refer to it. View's cache will be lazily filled when the next
time the view or the dependents are accessed. The command leaves view's
dependents as uncached.
Review comment:
You are right.
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