MaxGekk commented on a change in pull request #31524:
URL: https://github.com/apache/spark/pull/31524#discussion_r572197463



##########
File path: docs/sql-ref-syntax-ddl-alter-table.md
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@@ -27,6 +27,9 @@ license: |
 
 `ALTER TABLE RENAME TO` statement changes the table name of an existing table 
in the database.
 
+If the table is cached, the commands clear cached data of the table and all 
its dependents that refer to it. The cache will be lazily filled when the next 
time the table or the dependents are accessed.

Review comment:
       The next sentence says that: "The partition rename command keeps table 
dependents as cached but the table rename does not."




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