On Thursday, April 04, 2013 8:30 PM Rodrigo Barboza wrote: > Hi guys. > I am wondering when I can use the PG_GETARG_UINT32 and PG_RETURN_UINT32. > If postgres has no unsigned int type, what is the use of these macros?
They are mainly used for contrib module functionality or some built-in functions which are not exposed. For example, bt_page_items() receives relation name (text) and block number (int), but internally the block number is unit32 as max blocks can be oxFFFFFFFE. With Regards, Amit Kapila. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
