deniskuzZ commented on code in PR #5138:
URL: https://github.com/apache/hive/pull/5138#discussion_r1531993878
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parser/src/java/org/apache/hadoop/hive/ql/parse/AlterClauseParser.g:
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@@ -503,6 +503,8 @@ alterStatementSuffixExecute
-> ^(TOK_ALTERTABLE_EXECUTE KW_EXPIRE_SNAPSHOTS KW_RETAIN $numToRetain)
| KW_EXECUTE KW_DELETE KW_ORPHAN_FILES (KW_OLDER KW_THAN LPAREN
(timestamp=StringLiteral) RPAREN)?
-> ^(TOK_ALTERTABLE_EXECUTE KW_ORPHAN_FILES $timestamp?)
+ | KW_EXECUTE KW_RENAME KW_BRANCH sourceBranch=StringLiteral KW_TO
targetBranch=StringLiteral
Review Comment:
why do we need `execute` here? simple rename should be enough, see
create/drop branch
````
alter table ice01 rename branch 'source' to 'target';
````
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