Fernando Alonso Renault <[EMAIL PROTECTED]> writes:
> i'm quite a newbie using postgres 7.2 so this may be an easy question, but how do i
> add new funtionality? I mean, i wanna add a couple of new functions, and i've found
> this files, pg_proc.h and fmgrtab.c, but i don't know the meaning of the fields, so
> i can't add anything.
You probably should be thinking in terms of using CREATE FUNCTION rather
than hand-hacking the initial database contents. However, pg_proc
columns are documented at the top of pg_proc.h (not to mention in the
System Catalogs chapter of the developer documentation), and fmgrtab.c
is an automatically derived file that you shouldn't need to touch at all.
There is a good deal of documentation about writing new functions in the
HTML documentation, and lots of examples in the contrib/ tree. Note
that none of those examples rely on changing pg_proc.h ...
regards, tom lane
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