On Tue, Jul 8, 2014 at 12:40 PM, Ravi Kiran <ravi.kolanp...@gmail.com> wrote:
> hi, > > I am trying to learn how postgresql implements the join algorithms. > > So I am trying to learn about the source code of the executor precisely > the file nodenestloop.c . > > In the executor file I have nodenestloop.o but no binary executor file. > > I am using helios eclipse to edit the source code. > > I want to use gdb for debugging that file, but for that gdb needs a > executor file. > > I want to Debug that file using gdb and attach the postgress process file. > > Could anyone help me with how to debug that file using gdb and attach a > process, I know that we can find out about the pid of the process by using > this command in psql, *select pg_backend_pid* , but how exactly are we > going to give this pid to gdb. > The wiki page may help https://wiki.postgresql.org/wiki/Getting_a_stack_trace_of_a_running_PostgreSQL_backend_on_Linux/BSD > any help or related links wwould be grateful. > > Thank you >
