OpenMetadata/bootstrap/sql/migrations/native/1.2.4/postgres/schemaChanges.sql

update field_relationship fr
    set fromFQNHASH=MD5(ue.json->>'fullyQualifiedName'),
        fromFQN=ue.json->>'fullyQualifiedName' from user_entity ue where fr.fromType='user' and fr.fromFQN=ue.name;