How to confirm restoring zync-database was successful or not?

Issue

• How to confirm restoring zync-database was successful or not?

• Restoring zync database as described in the document, the following command output lots of error messages and it's impossible to determine whether the command was successful or not.

  oc rsh $(oc get pods -l 'deploymentConfig=zync-database' -o json | jq -r '.items[0].metadata.name') bash -c 'psql zync_production -f ${HOME}/zync-database-backup'
  

  example:

  psql:/var/lib/pgsql/zync-database-backup:40: ERROR:  type "integration_state" already exists
  psql:/var/lib/pgsql/zync-database-backup:58: ERROR:  function "que_validate_tags" already exists with same argument types
  psql:/var/lib/pgsql/zync-database-backup:94: ERROR:  relation "que_jobs" already exists
  psql:/var/lib/pgsql/zync-database-backup:121: ERROR:  function "que_determine_job_state" already exists with same argument types
  psql:/var/lib/pgsql/zync-database-backup:185: ERROR:  function "que_job_notify" already exists with same argument types
  psql:/var/lib/pgsql/zync-database-backup:256: ERROR:  function "que_state_notify" already exists with same argument types
  psql:/var/lib/pgsql/zync-database-backup:271: ERROR:  relation "applications" already exists
  psql:/var/lib/pgsql/zync-database-backup:285: ERROR:  relation "applications_id_seq" already exists
  psql:/var/lib/pgsql/zync-database-backup:306: ERROR:  relation "ar_internal_metadata" already exists
  psql:/var/lib/pgsql/zync-database-backup:322: ERROR:  relation "clients" already exists
  psql:/var/lib/pgsql/zync-database-backup:336: ERROR:  relation "clients_id_seq" already exists