"Sivaraman K.G" <Ganapathy(dot)Sivaraman(at)alcatel(dot)com> writes:
> \d command used to give the existing relations in the database.
> But now it is saying :
> ERROR : Cache lookup failed for relation 17233.
Not a lot of information to go on here. What do you get from
select * from pg_class where oid = 17233;
Can you do other operations besides \d?
regards, tom lane