Re: problem with server connection

"Sidar Lopez Cruz" <sidarlopez(at)hotmail(dot)com> writes:
> i do this query: select c.cedula,t.nombre.t.id_tipo_documento from c left j=
> oin tmp t on c.cedula=3Dt.cedula;

> and the server says

> Server closed the connection unexpectedly

We're going to need more info than that. What shows up in the
postmaster's log (stderr or syslog output)? Can you get a stack trace
from the crashed backend? (If there's no core file in the database
subdirectory, try restarting the postmaster with "ulimit -c unlimited"
before trying again.)

regards, tom lane