frank church <pgsql(at)adontendev(dot)net> writes:
> I repeatedly get this error whenever I try to backup a database
> pg_dump: ERROR: invalid memory alloc request size 4294967290
> pg_dump: SQL command to dump the contents of table "cc_ratecard" failed:
> PQendcopy() failed.
Looks like a corrupt-data problem to me. Please see the PG list archives
concerning ways to narrow down where the bad data is and get rid of it.
regards, tom lane