Re: DOC: fixes multiple errors in alter table doc - Mailing list pgsql-hackers

> On Mar 5, 2026, at 12:42, Fujii Masao <masao.fujii@gmail.com> wrote:
>
> On Tue, Mar 3, 2026 at 5:05 PM Chao Li <li.evan.chao@gmail.com> wrote:
>> PFA v5:
>>
>> * In 0002, renamed c12 to c11 in the ALTER FOREIGN TABLE tests.
>> * In 0002, added one more test case: ALTER FOREIGN TABLE ft1 DROP IF EXISTS no_column;
>
> Thanks for updating the patches!
>
> I've committed the 0001 patch and backpatched it to all supported versions.
>
>
> -- alter noexisting table
> ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD COLUMN c4 integer;
> +ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 ADD c5 integer;
> <snip>
> ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP COLUMN IF EXISTS no_column;
> +ALTER FOREIGN TABLE IF EXISTS doesnt_exist_ft1 DROP IF EXISTS no_column;
>
> Regarding 0002 patch, could you explain the reason for adding these
> two additional tests? I was just curious why because other four tests that
> the patch adds seem sufficient.

They are combinations of “IF [NOT] EXISTS” and omitting “COLUMN", I added them just for better coverage.

Best regards,
--
Chao Li (Evan)
HighGo Software Co., Ltd.
https://www.highgo.com/