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Re: PLPerl not installed correctly?

From: "Daniel Hutchison" <daniel(dot)hutchison(at)verizon(dot)net>
To: <mladen(dot)gogala(at)vmsinfo(dot)com>
Cc: <pgsql-novice(at)postgresql(dot)org>
Subject: Re: PLPerl not installed correctly?
Date: 2010-04-22 16:00:24
Message-ID: 00ae01cae234$ebdc4aa0$c394dfe0$ (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
Yes, I tried it that way as well.  Same problem!  Thanks for the suggestion,

-----Original Message-----
From: pgsql-novice-owner(at)postgresql(dot)org
[mailto:pgsql-novice-owner(at)postgresql(dot)org] On Behalf Of Mladen Gogala
Sent: Thursday, April 22, 2010 9:14 AM
To: Daniel(dot)Hutchison(at)rokaconsulting(dot)com
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: [NOVICE] PLPerl not installed correctly?

Daniel Hutchison wrote:
> I've been experiencing problems getting any plperl function working, 
> and I believe the problem lies in the actual plperl installation not 
> due to my rusty perl memories. For example, the very simple plperl 
> example in the comprehensive documentation (at 
> CREATE FUNCTION perl_max (integer, integer) RETURNS integer AS $$
> if ($_[0] > $_[1]) { return $_[0]; }
> return $_[1];
> $$ LANGUAGE plperl;
> Returns something odd (at least to me, also with little postgresql 
> experience):
> prod1=> select perl_max(1,2);
> ERROR: invalid input syntax for integer: "CODE(0x1f6d13c)"
> I have seen something similar to "CODE(0x...)" show up in other 
> programs, but because the input parameter on those was TEXT I didn't 
> get an error... the program just behaved very confusingly until I 
> realized that the correct text input was being replaced with 
> "CODE(0x...)". At least in this example, I get an actual error because 
> the input variable doesn't match type.
> Thanks for any help you can tell me on how to fix this!
> Daniel
> My Environment:
> PostgreSQL: \set: "VERSION = 'PostgreSQL 8.4.3, compiled by Visual C++ 
> build 1400, 32-bit'"
> OS: Windows Vista laptop (only for development purposes, I swear ;) )
> ActivePerl: perl -v: "This is perl, v5.10.1 built for 
> MSWin32-x86-multi-thread"

mgogala=# create function perl_max(integer,integer) RETURNS integer AS $$
mgogala$# ($x,$y)=(at)_;
mgogala$# ($x>$y)? return $x : return $y;
mgogala$# $$ LANGUAGE plperl;

mgogala=# select perl_max(1,2);
(1 row)

Time: 27.411 ms

Mladen Gogala 
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251 

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