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Re: arrays as pl/perl input arguments [PATCH]

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: "David E(dot) Wheeler" <david(at)kineticode(dot)com>, Alexey Klyukin <alexk(at)commandprompt(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: arrays as pl/perl input arguments [PATCH]
Date: 2011-01-12 02:06:09
Message-ID: (view raw or whole thread)
Lists: pgsql-hackers
On Tue, Jan 11, 2011 at 7:55 PM, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
> On 01/11/2011 07:17 PM, David E. Wheeler wrote:
>> On Jan 11, 2011, at 3:44 PM, Andrew Dunstan wrote:
>>> I think there's at least a danger of breaking legacy code doing that. Say
>>> you have some code that does a ref test on the argument, for example. The
>>> behavior would now be changed.
>> I think that'd be pretty rare.
> Possibly it would. But we usually try pretty hard to avoid that sort of
> breakage.

By the same token, I'm not convinced it's a good idea for this
behavior to be off by default.  Surely many people will altogether
fail to notice that it's an option?  If we're going to have a
backward-compatibility GUC at all, ISTM that you ought to get the good
stuff unless you ask for the old way.

Robert Haas
The Enterprise PostgreSQL Company

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