On Thursday 03 June 2010 11:18, Tom Lane wrote:
> Kevin Kempter <kevink@consistentstate.com> writes:
> > pg_dump: Error message from server: ERROR: could not find hash function
> > for hash operator 33639
>
> Bizarre ... that command really oughtn't be invoking any non-builtin
> operator, but the OID is too high for a builtin. What do you get from
> "select 33639::regoperator"?
>
> regards, tom lane
postgres=# select 33639::regoperator
postgres-# ;
regoperator
----------------
abc.=(oid,oid)
(1 row)