I was trying to upgrade a hyperconverged oVirt hosted engine and failed in the engine-setup command with these error and warnings.

...

[ INFO  ] Creating/refreshing Engine database schema
[ ERROR ] schema.sh: FATAL: Cannot execute sql command: --file=/usr/share/ovirt-engine/dbscripts/upgrade/04_03_0830_add_foreign_key_to_image_transfers.sql
[ ERROR ] Failed to execute stage 'Misc configuration': Engine schema refresh failed
...
[ INFO  ] Yum Verify: 16/16: ovirt-engine-tools.noarch 0:4.3.3.5-1.el7 - e
[WARNING] Rollback of DWH database postponed to Stage "Clean up"
[ INFO  ] Rolling back database schema

...

[ INFO  ] Stage: Pre-termination
[ INFO  ] Stage: Termination
[ ERROR ] Execution of setup failed

Attaching engine-setup logfile.