Ayush Saxena created HIVE-28274:
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Summary: Iceberg: Add support for 'If Not Exists" and 'or Replace'
for Create Branch
Key: HIVE-28274
URL: https://issues.apache.org/jira/browse/HIVE-28274
Project: Hive
Issue Type: Sub-task
Reporter: Ayush Saxena
Assignee: Ayush Saxena
Add support for
{noformat}
-- CREATE audit-branch at current snapshot with default retention if it doesn't
exist.
ALTER TABLE prod.db.sample CREATE BRANCH IF NOT EXISTS `audit-branch`
-- CREATE audit-branch at current snapshot with default retention or REPLACE it
if it already exists.
ALTER TABLE prod.db.sample CREATE OR REPLACE BRANCH `audit-branch`{noformat}
Like Spark:
https://iceberg.apache.org/docs/1.5.1/spark-ddl/#branching-and-tagging-ddl
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