MEMBER FUNCTION getBalance(Acc NUMBER,
                           Obj NUMBER DEFAULT NULL,
                           bDt DATE DEFAULT NULL,
                           eDt DATE DEFAULT NULL,
                           rw  NUMBER DEFAULT NULL) RETURN NUMBER IS
num    NUMBER;
ROW    NUMBER := NVL(rw, SELF.transID);
bDate  DATE;
eDate  DATE;
BEGIN
bDate := NVL(bDt,SYSDATE - 365*200);
eDate := NVL(eDt,SYSDATE);
--+index(money_dist XIF3MONEY_DIST)  по CLIENT_ID
  IF Obj IS NULL THEN
    IF ROW IS NOT NULL THEN
      SELECT SUM(trans_sum) INTO num
      FROM  (SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    debet       = Acc
             AND    log_id     <= ROW
                 UNION ALL
             SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    -trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    credit      = Acc
             AND    log_id     <= ROW);
    ELSE
      SELECT SUM(trans_sum) INTO num
      FROM  (SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    debet       = Acc
             AND    trans_date BETWEEN bDate AND eDate
                 UNION ALL
             SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    -trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    credit      = Acc
             AND    trans_date BETWEEN bDate AND eDate);
    END IF;
  ELSE
    IF ROW IS NOT NULL THEN
      SELECT SUM(trans_sum) INTO num
      FROM  (SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    debet       = Acc
             AND    debet_id    = Obj
             AND    log_id     <= ROW
                 UNION ALL
             SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    -trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    credit      = Acc
             AND    credit_id   = Obj
             AND    log_id     <= ROW);
    ELSE
      SELECT SUM(trans_sum) INTO num
      FROM  (SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    debet       = Acc
             AND    debet_id    = Obj
             AND    trans_date BETWEEN bDate AND eDate
                 UNION ALL
             SELECT /*+index(money_dist XIF3MONEY_DIST)*/
                    -trans_sum
             FROM   money_dist
             WHERE  client_id   = clientID
             AND    credit      = Acc
             AND    credit_id   = Obj
             AND    trans_date BETWEEN bDate AND eDate);
    END IF;
  END IF;

  RETURN ROUND(NVL(num,0),2);
END;