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

Andrew Dunstan <andrew@dunslane.net>

From: Andrew Dunstan <andrew@dunslane.net>
To: "David E. Wheeler" <david@kineticode.com>
Cc: Alexey Klyukin <alexk@commandprompt.com>, pgsql-hackers@postgresql.org
Date: 2011-01-11T23:44:53Z
Lists: pgsql-hackers

On 01/11/2011 06:07 PM, David E. Wheeler wrote:
>
>> To maintain
>> compatibility with existing pl/perl code a new variable,
>> plperl.convert_array_arguments (better name?), is introduced. Its default
>> value is false, when set to true it triggers the new behavior, i.e.
> Have you considered instead passing an array-based object with is string overloading designed to return the pg array string format? That would make for nice, transparent compatibility without the need for a GUC.
>
> Not my idea, BTW, but suggested by Tim Bunce.
>
>

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.

cheers

andrew