question: public final void expectAtLeastOneResult ( ResultSet rs ) throws AdeInternalException , SQLException { if ( ! rs . next ( ) ) { throw new AdeInternalException ( "Expecting at least one row from " + m_sql ) ; } }
target:  Verifies given result set contains at least one row. Issues a standard error if not. This row is then ready to be obtained from the result set (next() already called)