| From: | "David E(dot) Wheeler" <david(at)kineticode(dot)com> |
|---|---|
| To: | Tim Bunce <Tim(dot)Bunce(at)pobox(dot)com> |
| Cc: | Joshua Tolley <eggyknap(at)gmail(dot)com>, Alexey Klyukin <alexk(at)commandprompt(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: plperl and inline functions -- first draft |
| Date: | 2009-11-21 02:30:24 |
| Message-ID: | 9958FC3F-862E-406C-A8C5-51FFCC154C94@kineticode.com |
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| Thread: | |
| 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
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