原始SQL SELECT substr( kemu_id, 1, 4 ), '8888', 0, 0, '', '', ( sum( ( CASE WHEN sign( pz_jiefang_jine ) = 0 THEN 0 ELSE 1 END ) * npz_number ) - sum( ( CASE WHEN sign( pz_daifang_jine ) = 0 THEN 0 ELSE 1 END ) * npz_nu