| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: contrib loose ends: 9.0 to 9.1 incompatibilities |
| Date: | 2011-02-16 17:30:55 |
| Message-ID: | AANLkTi=H5g8NWKUi6OAQTYkH_1j7dVF-DhrHfnRRbkPL@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Feb 16, 2011 at 12:24 PM, Heikki Linnakangas
<heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> On 16.02.2011 19:17, Robert Haas wrote:
>>
>> The trouble is that we have no mechanism for conditional logic in
>> upgrade scripts,...
>
> Can't you put a DO-block there? It's not pretty, but should work..
Tom has repeatedly objected to that solution on the grounds that
someone could DROP LANGUAGE plpgsql.
In practice, I am sure many third-party extensions will do just that
if we don't provide suitable core infrastructure, but not pretty
definitely covers it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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