Re: postgres launch os applications

Ertel, Steve <Steve(dot)Ertel(at)infimatic(dot)com> schrieb:

> I am trying to start an OS executable every time that a table is updated. I
> know that I should create a trigger on the table, but how do I launch the OS
> executable. I have a background in sql server. In it we would use something
> like xsp_execute(). I am looking for the equivalent function call in Postgres.

Write a trigger-function using an untrusted language like pl/perlU. You
can call arbitray commands within an untrusted language. With the
regular trusted languages such plpgsql or so you can't call external
programs.

Andreas
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