Re: Support for OUT parameters in procedures

Dave Cramer <davecramer@postgres.rocks>

From: Dave Cramer <davecramer@postgres.rocks>
To: Steven Schlansker <stevenschlansker@gmail.com>
Cc: pgsql-jdbc@lists.postgresql.org
Date: 2020-10-05T16:24:15Z
Lists: pgsql-hackers
On Mon, 5 Oct 2020 at 12:17, Steven Schlansker <stevenschlansker@gmail.com>
wrote:

> Jdbi got a feature request for such parameters a while back:
> https://github.com/jdbi/jdbi/issues/1606
>
> The user uses Oracle which I don't really care to install.  When I tried
> to implement the feature using Postgres,
> I found the driver support too lacking to proceed.
>
> So there's some interest out there in making it work, and I can volunteer
> to at least smoke test it with my test cases...
>

Sure, lets see how broken it is right now.


Dave Cramer
www.postgres.rocks


>
> On Mon, Oct 5, 2020 at 3:54 AM Dave Cramer <davecramer@postgres.rocks>
> wrote:
>
>> Just saw this on hackers.  Anyon care to comment ?
>>
>> Dave Cramer
>> www.postgres.rocks
>>
>>
>> ---------- Forwarded message ---------
>> From: Robert Haas <robertmhaas@gmail.com>
>> Date: Fri, 28 Aug 2020 at 09:31
>> Subject: Re: Support for OUT parameters in procedures
>> To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
>> Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
>>
>>
>> On Fri, Aug 28, 2020 at 2:04 AM Peter Eisentraut
>> <peter.eisentraut@2ndquadrant.com> wrote:
>> > The handling of results of SQL statements executed at the top level
>> > (a.k.a. direct SQL) is implementation-specific and varies widely in
>> > practice.  More interesting in practice, in terms of functionality and
>> > also compatibility, are nested calls in PL/pgSQL as well as integration
>> > in JDBC.
>>
>> I agree that driver integration, and in particular JDBC integration,
>> is important and needs some thought. I don't think it horribly
>> matters, with a feature like this, what shows up when people type
>> stuff into psql. Whatever it is, people will get used to it. But when
>> they interact through a driver, it's different. It is no good
>> inventing things, either in PostgreSQL or in the JDBC driver for
>> PostgreSQL, that make PostgreSQL behave differently from every other
>> database they use. I don't know exactly how we get to a good outcome
>> here, but I think it's worth some careful consideration.
>>
>> --
>> Robert Haas
>> EnterpriseDB: http://www.enterprisedb.com
>> The Enterprise PostgreSQL Company
>>
>>
>>

Commits

  1. Support for OUT parameters in procedures