Sorry, I've not describe my problem precisely.I mean that I want to get relkind or something from a systable by the programm but not by sql.
That is, if I execute such sql by exec_simple_query("select xxx from pg_xxx"), how could I get the result of it in the programm?
pgsql-hackers by date:
Соглашаюсь с условиями обработки персональных данных