Re: Ideas on how to use external perl script

From: "Roderick A(dot) Anderson" <raanders(at)acm(dot)org>
To: "Gauthier, Dave" <dave(dot)gauthier(at)intel(dot)com>, PostgreSQL <pgsql-general(at)postgresql(dot)org>
Subject: Re: Ideas on how to use external perl script
Date: 2008-10-01 19:40:28
Message-ID: 48E3D22C.4050908@acm.org
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Sorry to all but my original reply went to Dave instead of the list.

Gauthier, Dave wrote:
> Wait, I also appear to have plperlu (createlang plperlu seems to have
> worked successfully).

Now if it will do what you need. :-)

Rod
--
>
> -----Original Message-----
> From: Roderick A. Anderson [mailto:raanders(at)acm(dot)org]
> Sent: Wednesday, October 01, 2008 3:14 PM
> To: Gauthier, Dave
> Subject: Re: [GENERAL] Ideas on how to use external perl script
>
> Gauthier, Dave wrote:
>> Hi:
>>
>> I need to write a stored function that will perform a complex task
>> which has already been handled in OO subfunctions of an external perl
>> module. The perl module has many subroutines and OO constructs and
>> may use whatever else is legal to use in perl. (I do have the source
>> code for the perl module BTW) I need to interact with this per
>> module from the context of a stored function in my DB. I have v8.3.4
>> with pl-perl but discovered that I cannot simple "use" the external
>> perl module or simply stick the named perl subs inside the module
>> inside the pl-perl. Still, I need to work with it. More
>> specifically...
>>
>> - A pl-pgsql function will load up a temporary table with a bunch of
>> records
>>
>> - I need to run each of these records through a sub in the perl
>> module that loads an internal data structure in an OO object
>>
>> - I then call another sub that processes the data structure and
>> returns the result.
>>
>> - I purge the temporary table and then stuff it with the returned
>> results.
>>
>> So I picture a regular ole pl-pgsql that (someonw) interacts with the
>> many perl module subs. One of those interarcions is to create a
>> perl object (OO perl).
>>
>> Any suggestions on how to proceed?
>
> Are you trying this using PL/Perlu (untrusted) or just PL/Perl?
>
>
> Rod

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