Re: [BUG?] strange behavior in ALTER TABLE ... RENAME TO on inherited columns

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: KaiGai Kohei <kaigai@ak.jp.nec.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, KaiGai Kohei <kaigai@kaigai.gr.jp>, Bernd Helmle <mailings@oopsware.de>, pgsql-hackers@postgresql.org, Thom Brown <thombrown@gmail.com>, Alvaro Herrera <alvherre@commandprompt.com>
Date: 2010-02-02T02:31:01Z
Lists: pgsql-hackers
2010/2/1 KaiGai Kohei <kaigai@ak.jp.nec.com>:
> (2010/02/02 11:09), Tom Lane wrote:
>> KaiGai Kohei<kaigai@ak.jp.nec.com>  writes:
>>> The attached one also clean up ATPrepAddColumn() and ATExecAddColumn() code,
>>> not only ATPrepAlterColumnType(), according to what I mentioned above.
>>
>> What exactly do you claim is wrong with the ADD COLUMN case?
>
> ADD COLUMN case works correctly, but it takes unnecessary loops,
> because the find_all_inheritors() didn't provide the value to be
> set on the new pg_attribute.attinhcount.
>
> I'm saying it can be rewritten in more graceful manner using the
> new expected_parents argument.

The subject line of this thread is getting less and less appropriate
to the content thereof.

I am not in favor of doing anything for 9.0 that is not a bug fix.

...Robert