Hi, I want to extend the catalog, i think the key is pg_attribute.h, pg_class.h, pg_type.h is it enough: 1. add pg_xxx.h 2.modify pg_attribute.h, pg_class.h, pg_type.h, catname.h, indexing.h, indexing.c, Makefile i tried once, it was ok when target to template. but like a mess when target to global. what is the thing. ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly