The ResultSet.getRow method (which isn't required to be implemented) returns an int which, being signed, has a max value of 2^31 Since the getRow method, if implemented, returns an int it would NOT be possible for it to return a value larger than Integer.MAXSIZE. May be related to : https://community.oracle.com/tech/developers/discussion/4001667/resultset-row-limits-with-ojdbc7-jar ... View more