Re: Problem with very big queries.

On Friday 11 April 2008 02:20:51 Tom Lane wrote:
> Panagiotis Papadakos <papadako@csd.uoc.gr> writes:
> > I want to send to postgresql-8.0 a very big query,
> > select * from table where lala IN (....)
> > Inside IN there are almost 60000 values.
> >
> > Unfortunately, the server terminates with a singal 11 and I get
> > to my console the following:
>
> It shouldn't crash.  I suspect you tried this, got
>
> ERROR:  stack depth limit exceeded
> HINT:  Increase the configuration parameter "max_stack_depth".
>
> and blindly followed the HINT without any regard for whether the value
> you picked was actually safe on your platform.  If you make
> max_stack_depth bigger than what the kernel allows, you will indeed
> get a crash; but that's not a bug it's pilot error.
>
> More recent PG versions try to limit max_stack_depth to a safe value,
> but 8.0 just believes what you tell it.
Yep you are correct. But I have set the value to 8192, based on ulimit -s but
it still crashes.
>
>             regards, tom lane