Horton

Re: plperl and inline functions -- first draft

David Wheeler <david@kineticode.com>

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From: "David E. Wheeler" <david@kineticode.com>
To: Tim Bunce <Tim.Bunce@pobox.com>
Cc: Joshua Tolley <eggyknap@gmail.com>, Alexey Klyukin <alexk@commandprompt.com>, Andrew Dunstan <andrew@dunslane.net>, pgsql-hackers@postgresql.org
Date: 2009-11-21T02:30:24Z
Lists: pgsql-hackers 
On Nov 20, 2009, at 10:50 PM, Tim Bunce wrote:

> I'd suggest:
> 
>    ...; PL/Perl functions created with CREATE FUNCTION are called in a
>    scalar context, so can't return a list.  You can return more complex
>    structures (arrays, records, and sets) by returning a reference, as
>    discussed below.
> 
> That only mentions "functions created with CREATE FUNCTION" though.
> Perhaps it needs to be generalized to cover DO as well.

FWIW, DO is run in a VOID context. Return values are ignored (or perhaps trigger an exception?).

Best,

David