| From: | "Sean Davis" <sdavis2(at)mail(dot)nih(dot)gov> |
|---|---|
| To: | "Richard Broersma" <richard(dot)broersma(at)gmail(dot)com> |
| Cc: | "Ertel, Steve" <Steve(dot)Ertel(at)infimatic(dot)com>, pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: postgres launch os applications |
| Date: | 2008-10-07 18:12:46 |
| Message-ID: | 264855a00810071112r7ecb7d9bk90cf004f68824707@mail.gmail.com |
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| Lists: | pgsql-novice |
On Tue, Oct 7, 2008 at 1:38 PM, Richard Broersma
<richard(dot)broersma(at)gmail(dot)com> wrote:
> On Tue, Oct 7, 2008 at 10:34 AM, Sean Davis <sdavis2(at)mail(dot)nih(dot)gov> wrote:
>
>> You cannot do this with any "trusted" language (which includes
>> pg/plsql). However, you can use any of the untrusted languages like
>> pl/python, pl/perl, pl/java, pl/tcl, etc. Of course, each of those
>> languages has its own specifics dealing with starting executables.
>
> To add to this point. IIRC, these languages are untrusted because
> they can trigger events outside the database that cannot be rolled
> back in the event of an error.
>
> Another option to might work is using the list notify mechanism.
This is definitely the better option.
Sean
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