due to the order of operations in the installer the database is already
updated to the latest state at the point we run ngcp-update-db-schema
this is not what we want, because then not_replicated statements fail:
Applying revision script /usr/share/ngcp-db-schema/db_scripts/base/6435_not_replicated.up:
ERROR 1060 (42S21) at line 3: Duplicate column name 'time_hires' failed. :(