Bulk Operation

HIVE-27233 Iceberg: Add support for 'If Not Exists" and 'or Replace' for Create Tag

HIVE-27233 Iceberg: Add support for 'If Not Exists' and 'or Replace' for Create Branch

HIVE-27233 Iceberg: Add support for Replace Tag

HIVE-27233 Iceberg: Add support for Replace Branch

HIVE-27233 Iceberg: Add support for Rename Branch

HIVE-27233 Iceberg: Support creating a branch on an empty table

HIVE-27233 Allow creating a branch from tag name

HIVE-27233 Iceberg: Cherry-Pick commit to a branch

HIVE-27233 Iceberg: Fast forward branch

HIVE-27233 Iceberg: Support query iceberg tag

HIVE-27233 Iceberg: Suport write to iceberg branch

HIVE-27233 Iceberg: DROP TAG SQL implementation

HIVE-27233 Iceberg: DROP BRANCH SQL implementation

HIVE-27233 Iceberg: CREATE TAG SQL implementation

HIVE-27233 Iceberg: CREATE BRANCH SQL implementation

HIVE-27233 Iceberg: Support Iceberg version travel by reference name