On 27.08.2007, at 18:07, Tom Lane wrote:

> Kristo Kaiv <kristo.kaiv@skype.net> writes:
>> From http://www.postgresql.org/docs/current/static/plpgsql-
>> declarations.html#PLPGSQL-DECLARATION-RENAMING-VARS
>> Note: RENAME appears to be broken as of PostgreSQL 7.3. Fixing this
>> is of low priority, since ALIAS covers most of the practical uses of
>> RENAME.
>> Seems to work though. Could somebody please confirm/reject that this
>> has been fixed?
>
> It "works" only for very small values of "works". See the links in
> the TODO item for it.
>
> regards, tom lane
Tom, the TODO item says:
Server-Side Languages
PL/pgSQL
Fix RENAME to work on variables other than OLD/NEW

but it seems to already work. I have tested it on 8.2 and have not
noticed any problems.

orderdb_test=# \df+ test
List of functions
-[ RECORD 1 ]-------+--------------------------
Schema | public
Name | test
Result data type | text
Argument data types | i_a text, OUT asi text
Owner | kristok
Language | plpgsql
Source code |
: DECLARE
: -- o_asi ALIAS FOR $2;
: RENAME asi TO o_asi;
: BEGIN
: select 32 into o_asi;
: return;
: END;
:
Description |

orderdb_test=# select * from test(123);
asi
-----
32
(1 row)

Kristo Kaiv
http://kaiv.wordpress.com (PostgreSQL blog)