return DatabaseInfo if transferring ownership succeeds

db/roles/operations/ownership.py

@@ -2,4 +2,4 @@
 
 
 def transfer_database_ownership(new_owner_oid, conn):
-    exec_msar_func(conn, 'transfer_database_ownership', new_owner_oid)
+    return exec_msar_func(conn, 'transfer_database_ownership', new_owner_oid).fetchone()[0]

db/sql/00_msar.sql

@@ -1434,8 +1434,9 @@ END;
 $$ LANGUAGE plpgsql RETURNS NULL ON NULL INPUT;
 
 
+DROP FUNCTION IF EXISTS msar.transfer_database_ownership(regrole);
 CREATE OR REPLACE FUNCTION
-msar.transfer_database_ownership(new_owner_oid regrole) RETURNS void AS $$/*
+msar.transfer_database_ownership(new_owner_oid regrole) RETURNS jsonb AS $$/*
 Transfers ownership of the current database to a new owner.
 
 Args:
@@ -1453,6 +1454,7 @@ BEGIN
     pg_catalog.current_database(),
     msar.get_role_name(new_owner_oid)
   );
+  RETURN msar.get_current_database_info();
 END;
 $$ LANGUAGE plpgsql RETURNS NULL ON NULL INPUT;
 

mathesar/rpc/databases/privileges.py

@@ -6,6 +6,7 @@
 from db.roles.operations.select import list_db_priv
 from db.roles.operations.update import replace_database_privileges_for_roles
 from db.roles.operations.ownership import transfer_database_ownership
+from mathesar.rpc.databases.base import DatabaseInfo
 from mathesar.rpc.utils import connect
 from mathesar.rpc.exceptions.handlers import handle_rpc_exceptions
 
@@ -84,7 +85,7 @@ def replace_for_roles(
 @rpc_method(name="databases.privileges.transfer_ownership")
 @http_basic_auth_login_required
 @handle_rpc_exceptions
-def transfer_ownership(*, new_owner_oid: int, database_id: int, **kwargs) -> None:
+def transfer_ownership(*, new_owner_oid: int, database_id: int, **kwargs) -> DatabaseInfo:
     """
     Transfers ownership of the current database to a new owner.
 
@@ -97,7 +98,11 @@ def transfer_ownership(*, new_owner_oid: int, database_id: int, **kwargs) -> Non
         - Be a `MEMBER` of the new owning role. i.e. The current role should be able to `SET ROLE`
           to the new owning role.
         - Have `CREATEDB` privilege.
+
+    Returns:
+        Information about the database, and the current user privileges.
     """
     user = kwargs.get(REQUEST_KEY).user
     with connect(database_id, user) as conn:
-        transfer_database_ownership(new_owner_oid, conn)
+        db_info = transfer_database_ownership(new_owner_oid, conn)
+    return DatabaseInfo.from_dict(db_info)