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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2022/04/08 06:05:33 UTC

[GitHub] [flink] lsyldliu commented on a diff in pull request #19329: [FLINK-22318][table] Support RENAME column name for ALTER TABLE statement

lsyldliu commented on code in PR #19329:
URL: https://github.com/apache/flink/pull/19329#discussion_r845763835


##########
flink-table/flink-sql-parser/src/main/codegen/includes/parserImpls.ftl:
##########
@@ -548,6 +551,18 @@ SqlAlterTable SqlAlterTable() :
                         tableIdentifier,
                         newTableIdentifier);
         }
+    |
+        <RENAME>

Review Comment:
   About the syntax, we have a conclusion in issue [ALTER TABLE statement enhancement](https://issues.apache.org/jira/browse/FLINK-21634), we don't use COLUMN keyword. Moreover, COLUMN is optional in Spark.



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