SQL优化之FILTER

select count(1) over() as tcnt,
       rownum as rn,
       O.CustomerID,
       O.CustomerName,
       O.CustomerType,
       O.CertType,
       O.CertID,
       O.MFCustomerID,
       O.MCCustomerID,
       getManageUserID(O.CustomerID) as ManageUserID,
       getManageOrgName(O.CustomerID) as ManageOrgName,
       getManageUserName(O.CustomerID) as ManageUserName,
       O.Private,
       O.Isresure,
       getcustomerbalance3(O.CustomerID) as Balance
  from customer_info O
where 1 = 1
   and (exists (Select 'X'
                  From IND_INFO II
                 Where O.CustomerID = II. CustomerID
                   and II.UpdateDate = '2019/06/26'
                   and II.UpdateUserID = '017634') or exists
        (Select 'X'
           From ENT_INFO EI
          Where O.CustomerID = EI.CustomerID
            and EI.UpdateDate = '2019/06/26'
            and EI.UpdateUserID = '017634'))
   and nvl(O.belongCorporaTion, '9999') = '9999'
   and (EXISTS (Select 'X'
                  from CUSTOMER_BELONG CB
                 where CB.CustomerID = O.CUSTOMERID
                   and CB.USERID = '017634'
                   and CB.BELONGATTRIBUTE = '1') or Exists
        (select 'X'
           from BUSINESSRIGHT_APPLY ba
          where ba.CustomerID = O.CustomerID
            and ba.UserID = '017634'
            and ba.ApplyStatus = '020'))
   and EXISTS
(Select 'X'
          from CUSTOMER_PREEVALUATE CP1
         where CP1.serialno = (select max(CP.serialno)
                                 from CUSTOMER_PREEVALUATE CP
                                where CP.INPUTUSERID = '017634'
                                  and CP.CustomerId = O.CustomerId
                                  and CP.Serialno like '2%')
           and CP1.ApplyResult in ('1010', '1020', '1030', '3010')
           and CP1.InputDate >=
               to_char(add_months(sysdate, -1), 'yyyy/mm/dd'));


TLXD@xdxtdb> TLXD@xdxtdb> select * from table(dbms_xplan.display_cursor(null,null,'ALLSTATS LAST'));

PLAN_TABLE_OUTPUT
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SQL_ID 22rnph35yxqtg, child number 0
-------------------------------------
select count(1) over() as tcnt,        rownum as rn,
O.CustomerID,      O.CustomerName,     O.CustomerType,
O.CertType,    O.CertID,     O.MFCustomerID,
O.MCCustomerID,        getManageUserID(O.CustomerID) as ManageUserID,
     getManageOrgName(O.CustomerID) as ManageOrgName,
getManageUserName(O.CustomerID) as ManageUserName,   O.Private,
    O.Isresure,        getcustomerbalance3(O.CustomerID) as Balance
from customer_info O  where 1 = 1    and (exists (Select 'X'
       From IND_INFO II   Where O.CustomerID = II.
CustomerID       and II.UpdateDate = '2019/06/26'
   and II.UpdateUserID = '017634') or exists     (Select 'X'
    From ENT_INFO EI       Where O.CustomerID =
EI.CustomerID   and EI.UpdateDate = '2019/06/26'
and EI.UpdateUserID = '017634'))    and nvl(O.belongCorporaTion,
'9999') = '9999'    and (EXISTS (Select 'X'

Plan hash value: 3456449175

---------------------------------------------------------------------------------------------------------------------------------------------------------------------
| Id  | Operation   | Name       | Starts | E-Rows | A-Rows |   A-Time   | Buffers | Reads  |  OMem |  1Mem | Used-Mem |
---------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT   |       |      1 | |      2 |00:01:11.80 |    9608K|    138K|  |  |     |
|   1 |  WINDOW BUFFER   |       |      1 |      1 |      2 |00:01:11.80 |    9608K|    138K|  2048 |  2048 | 2048  (0)|
|   2 |   COUNT    |       |      1 | |      2 |00:01:11.80 |    9608K|    138K|  |  |     |
|*  3 |    FILTER   |       |      1 | |      2 |00:01:11.80 |    9608K|    138K|  |  |     |
|*  4 |     TABLE ACCESS FULL   | CUSTOMER_INFO       |      1 |   3297K|   3298K|00:00:07.04 |   96769 |  36696 |  |  |     |
|*  5 |     TABLE ACCESS BY INDEX ROWID    | CUSTOMER_PREEVALUATE      |   3298K|      1 |     28 |00:01:02.54 |    9511K|    101K|  |  |     |
|*  6 |      INDEX UNIQUE SCAN   | SYS_C0039976       |   3298K|      1 |     29 |00:01:00.91 |    9511K|    101K|  |  |     |
|   7 |       SORT AGGREGATE   |       |   3298K|      1 |   3298K|00:00:58.13 |    9511K|    101K|  |  |     |
|*  8 |        TABLE ACCESS BY INDEX ROWID BATCHED| CUSTOMER_PREEVALUATE      |   3298K|      1 |     30 |00:00:55.58 |    9511K|    101K|  |  |     |
|*  9 |  INDEX RANGE SCAN   | IDX1_CUSTOMER_PREEVALUATE |   3298K|      2 |   3129K|00:00:17.88 |    6394K|  10062 |  |  |     |
|* 10 |     TABLE ACCESS BY INDEX ROWID    | IND_INFO       |     28 |      1 |      2 |00:00:00.01 |     186 |      8 |  |  |     |
|* 11 |      INDEX UNIQUE SCAN   | PK_IND_INFO        |     28 |      1 |     27 |00:00:00.01 |     125 |      6 |  |  |     |
|* 12 |     TABLE ACCESS BY INDEX ROWID    | ENT_INFO       |     26 |      1 |      0 |00:00:00.01 |      54 |      3 |  |  |     |
|* 13 |      INDEX UNIQUE SCAN   | PK_ENT_INFO        |     26 |      1 |      1 |00:00:00.01 |      52 |      2 |  |  |     |
|* 14 |     TABLE ACCESS BY INDEX ROWID BATCHED   | CUSTOMER_BELONG       |      2 |      1 |      2 |00:00:00.01 |      31 |      1 |  |  |     |
|* 15 |      INDEX RANGE SCAN   | PK_CUSTOMER_BELONG       |      2 |      1 |      2 |00:00:00.01 |      27 |      1 |  |  |     |
|* 16 |     TABLE ACCESS FULL   | BUSINESSRIGHT_APPLY       |      0 |      1 |      0 |00:00:00.01 |       0 |      0 |  |  |     |
---------------------------------------------------------------------------------------------------------------------------------------------------------------------

Predicate Information (identified by operation id):
---------------------------------------------------

   3 - filter(( IS NOT NULL AND ( IS NOT NULL OR  IS NOT NULL) AND ( IS NOT NULL OR  IS NOT NULL)))
   4 - filter(NVL("O"."BELONGCORPORATION",'9999')='9999')
   5 - filter(("CP1"."INPUTDATE">=TO_CHAR(ADD_MONTHS(SYSDATE@!,-1),'yyyy/mm/dd') AND INTERNAL_FUNCTION("CP1"."APPLYRESULT")))
   6 - access("CP1"."SERIALNO"=)
   8 - filter(("CP"."INPUTUSERID"='017634' AND "CP"."SERIALNO" LIKE '2%'))
   9 - access("CP"."CUSTOMERID"=:B1)
  10 - filter(("II"."UPDATEUSERID"='017634' AND "II"."UPDATEDATE"='2019/06/26'))
  11 - access("II"."CUSTOMERID"=:B1)
  12 - filter(("EI"."UPDATEUSERID"='017634' AND "EI"."UPDATEDATE"='2019/06/26'))
  13 - access("EI"."CUSTOMERID"=:B1)
  14 - filter("CB"."BELONGATTRIBUTE"='1')
  15 - access("CB"."CUSTOMERID"=:B1 AND "CB"."USERID"='017634')
       filter("CB"."USERID"='017634')
  16 - filter(("BA"."CUSTOMERID"=:B1 AND "BA"."USERID"='017634' AND "BA"."APPLYSTATUS"='020'))