From: Marcin Stępnicki <mstepnicki@gmail.com>
To: pgsql-sql@postgresql.org
Subject: Re: Function returning SETOF using plpythonu
Date: Fri, 26 Jan 2007 23:17:58 +0100
Message-ID: <pan.2007.01.26.22.17.58.397717@gmail.com> (raw)
References: <45BA3964.8070704@ualg.pt>
Dnia Fri, 26 Jan 2007 17:24:52 +0000, Luís Sousa napisał(a):
> Hi,
>
> Is it possible to return rows from a function written in plpythonu using
> SETOF?
>
> Example:
> CREATE FUNCTION "test_python_setof"()
> RETURNS SETOF text AS '
> records=plpy.execute("SELECT name FROM interface");
> return records
> ' LANGUAGE 'plpythonu';
>
> With this code is returning the object from the execution:
> <PLyResult object at 0xb703e458>
plpy.execute returns dictionary, and you need a list. You may try this:
CREATE FUNCTION "test_python_setof"()
RETURNS SETOF text AS '
records=plpy.execute("SELECT name FROM interface");
return [ (r["name"]) for r in records]
' LANGUAGE 'plpythonu';
--
| And Do What You Will be the challenge | http://apcoln.linuxpl.org
| So be it in love that harms none | http://biznes.linux.pl
| For this is the only commandment. | http://www.juanperon.info
`---* JID: Aragorn_Vime@jabber.org *---' http://www.naszedzieci.org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: mstepnicki@gmail.com
Subject: Re: Function returning SETOF using plpythonu
In-Reply-To: <pan.2007.01.26.22.17.58.397717@gmail.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox