Najm Hashmi <najm@mondo-live.com> writes:
> fliprdb=# update artist set extrinfo='independent' where artist_id=6;
> pqReadData() -- backend closed the channel unexpectedly.
Hmm. Looks like you hit a backend crash :-(. Hard to say more with
only this amount of info. What PG version are you using? What is
the table's declaration? There should be a core file from the backend
crash, in $PGDATA/base/fliprdb/core --- can you get a backtrace from
it with gdb?
regards, tom lane