From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
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To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Dave Cramer <pg(at)fastcrypt(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Shay Rojansky <roji(at)roji(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com>, Daniel Verite <daniel(at)manitou-mail(dot)org>, Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Stored procedures and out parameters |
Date: | 2018-09-11 21:42:07 |
Message-ID: | b0d099ca-f9c3-00ed-0c95-4d7a9f7c97fc@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 30/08/2018 21:35, Robert Haas wrote:
> The semantics you've chosen for procedures are more like Oracle that
> the existing function semantics, which, as I can attest from my work
> experience, can be very useful for users looking to migrate. Worth
> noting, however, is Oracle also has those semantics for function
> calls. So what you've ended up creating here is a situation where
> procedures behave more or less like they do in Oracle and the SQL
> standard, but functions behave the way they historically have in
> PostgreSQL. That's kind of a weird incompatibility, and I think that
> incompatibility is a significant part of what people are complaining
> about.
> This probably should have been discussed in more detail before this
> got committed, but I guess that's water under the bridge at this
> point.
Note that OUT parameters in procedures are not implemented yet, so you
didn't miss any discussion, but it's a discussion I would like to have
in the future, and not in haste.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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