SQLAlchemy uses this to convert a string into a SourceLocation object.
        We separate the fields by a |

def process_result_value(self, value, dialect):
        """
        SQLAlchemy uses this to convert a string into a SourceLocation object.
        We separate the fields by a |
        """
        if value is None:
            return None

        p = value.split("|")

        if len(p) == 0:
            return None
        return SourceLocation(*map(int, p))