return_type = 'SETOF '+returning.to_str(db)+'%TYPE'

        while True:

            try:

                function_query = '''\

CREATE FUNCTION '''+function.to_str(db)+'''()

    errors_table = sql_gen.as_Table(errors_table)

    srcs = map(sql_gen.to_name_only_col, col.srcs)

    function_name = str(sql_gen.FunctionCall(type_, *srcs))

    while True:

        # Create function definition