Make Tables SparkSQL Compatible
Non-Acid, managed tables in ORC or in a Hive Native (but non-ORC) format that are
owned by the POSIX user
hive will not be SparkSQL-compatible after the
upgrade unless you perform manual conversions.
- Convert the tables to external Hive tables before the upgrade.
ALTER TABLE ... SET TBLPROPERTIES('EXTERNAL'='TRUE','external.table.purge'='true')
- Change the POSIX ownership to an owner other than
You will need to convert managed, ACID v1 tables to external tables after the upgrade.