Re: Finer Extension dependencies

Hitoshi Harada <umi.tanuki@gmail.com>

From: Hitoshi Harada <umi.tanuki@gmail.com>
To: Dimitri Fontaine <dimitri@2ndquadrant.fr>
Cc: pgsql-hackers@postgresql.org
Date: 2012-01-23T11:06:35Z
Lists: pgsql-hackers
On Mon, Jan 23, 2012 at 2:00 AM, Dimitri Fontaine
<dimitri@2ndquadrant.fr> wrote:
> Hitoshi Harada <umi.tanuki@gmail.com> writes:
>>>> - What happens if DROP EXTENSION ... CASCADE? Does it work?
>>>
>>> It should, what happens when you try? :)
>>
>> I just tried DROP EXTENSION now, and found it broken :(
>>
>> db1=# create extension kmeans;
>> CREATE EXTENSION
>> db1=# drop extension kmeans;
>> ERROR:  cannot drop extension kmeans because extension feature kmeans
>> requires it
>> HINT:  You can drop extension feature kmeans instead.
>
> Can you provide me the test case you've been using?  That looks like a
> bug I need to fix, indeed (unless the problem lies in the test case,
> which would mean I need to tighten things some more).

The test case is just above; createdb db1 and create and drop an
extension. The kmean extension is on pgxn. I tried my small test
extension named ext1 which contains only one plpgsql function, and
created it then dropped it, reproduced.

Thanks,
-- 
Hitoshi Harada