zhangbutao commented on code in PR #5190:
URL: https://github.com/apache/hive/pull/5190#discussion_r1560465196
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parser/src/java/org/apache/hadoop/hive/ql/parse/AlterClauseParser.g:
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@@ -513,6 +514,13 @@ alterStatementSuffixRenameBranch
-> ^(TOK_ALTERTABLE_RENAME_BRANCH $sourceBranch $targetBranch)
;
+alterStatementSuffixReplaceBranch
+@init { gParent.pushMsg("alter table replace branch", state); }
+@after { gParent.popMsg(state); }
+ : KW_REPLACE KW_BRANCH sourceBranch=Identifier KW_WITH KW_SNAPSHOT?
(targetBranch=(Identifier | Number))
Review Comment:
https://github.com/apache/iceberg/pull/6638/files#diff-7bded55cc5d4893d2eb9d899ac095939e7b47814374d21cff159cb7ded9a503e
Check spark implementation, looks like` spark replace `has more properties,
e.g. retain, retention..
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