If you use pg_upgrade to upgrade a Fujitsu Enterprise Postgres database instance that uses the extensions, follow the procedure below to upgrade.
It is strongly recommended to back up the database using pg_dump before performing pg_upgrade.
Create a database cluster at the destination
Stop the source and destination instances
Run the pg_upgrade command
Start the destination instance
Update the extensions used with ALTER EXTENSION to the latest version at the destination
ALTER EXTENSION extensionName UPDATE;If you are using multiple extensions, please update each extension separately.
See
For information about pg_upgrade and ALTER EXTENSION, refer to "Reference" in the PostgreSQL Documentation.