Re: ALTER command reworks

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Kohei KaiGai <kaigai@kaigai.gr.jp>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, Robert Haas <robertmhaas@gmail.com>, Dimitri Fontaine <dimitri@2ndquadrant.fr>, PgHacker <pgsql-hackers@postgresql.org>
Date: 2013-01-20T16:28:24Z
Lists: pgsql-hackers
Kohei KaiGai <kaigai@kaigai.gr.jp> writes:
> About ALTER FUNCTION towards aggregate function, why we should raise
> an error strictly?

I agree we probably shouldn't --- traditionally we have allowed that,
AFAIR, so changing it would break existing applications for little
benefit.

Similarly, you should not be throwing error when ALTER TABLE is applied
to a view, sequence, etc, and the command would otherwise be sensible.

			regards, tom lane