Charmed PostgreSQL How-to - Upgrade

[taurus (Alex Lutay)]

Charmed PostgreSQL Upgrade

Please choose the appropriate upgrade/rollback tutorial.

Migration:

• Major upgrade, e.g. PostgreSQL 14 -> PostgreSQL 15.

• Major rollback, e.g. PostgreSQL 15 -> PostgreSQL 14.

In-place minor upgrade:

• Minor upgrade, e.g. PostgreSQL 14.8 -> PostgreSQL 14.9
  (including charm revision bump 42 -> 43).

• Minor rollback, e.g. PostgreSQL 14.9 -> PostgreSQL 14.8
  (including charm revision return 43 -> 42).