(PECL CUBRID >= 8.3.0)
Return a string with the flags of the given field offset
string cubrid_field_flags ( resource $result, int $field_offset )
This function returns a string with the flags of the given field offset separated by space. You can split the returned value using explode. The possible flags could be: not_null, primary_key, unique_key, foreign_key, auto_increment, shared, reverse_index, reverse_unique and time