Fix OAuth and Realtime issues introduced in9a515b9234
[DATABASE] Fix an empty default value mistake introduced infde929b151
[DATABASE][PostgreSQL] Avoid use of pg_constraint.consrc, which was removed in PostgreSQL 12. [DATABASE][MariaDB] Fix a typo introduced inaed2344bd4
[DAEMON] Wrap an assignment inside "switch": a follow-up toadc689cb15