Catching exceptions and rolling back transactions

I am just trying to see if I understand this correctly: > By default, any error occurring in a PL/pgSQL function aborts > execution of the function and the surrounding transaction I have a procedure which does multiple insert operations on different tables, however at the moment I did not make them into a singular transaction. Does the above documentation mean that if an error were to occur all operations performed inside the procedure would be rolled back or do I need to catch exceptions and perform rollback/commit manually?