FILTER 优化

 PLAN_TABLE_OUTPUT
Plan hash value: 2272901224
 
------------------------------------------------------------------------------------------------
| Id  | Operation            | Name                    | Rows  | Bytes | Cost (%CPU)| Time     |
------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT     |                         |   708 | 30444 |  1521   (2)| 00:00:01 |
|*  1 |  FILTER              |                         |       |       |            |          |
|   2 |   VIEW               |                         | 14159 |   594K|  1519   (2)| 00:00:01 |
|   3 |    SORT UNIQUE       |                         | 14159 |   746K|  1519   (2)| 00:00:01 |
|*  4 |     TABLE ACCESS FULL| BTOP_TELLER_TELLERLOGIN | 14159 |   746K|  1517   (1)| 00:00:01 |
|*  5 |   TABLE ACCESS FULL  | BTOP_TELLER_TELLERLOGIN |     2 |    74 |     2   (0)| 00:00:01 |
------------------------------------------------------------------------------------------------
 
Predicate Information (identified by operation id):
---------------------------------------------------
 
   1 - filter( NOT EXISTS (SELECT 0 FROM "BTOP_TELLER_TELLERLOGIN" "A" WHERE 
              TO_DATE("A"."LOGONTIME",'yyyy-mm-dd HH24:MI:SS')>TO_DATE(' 2017-12-08 00:00:00', 
              'syyyy-mm-dd hh24:mi:ss') AND LNNVL(REPLACE("A"."CLIENTIP",SUBSTR("A"."CLIENTIP",INSTR("
              A"."CLIENTIP",':')))<>:B1)))
   4 - filter(TO_DATE("A"."LOGONTIME",'yyyy-mm-dd HH24:MI:SS')<TO_DATE(' 2017-12-08 
              00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
   5 - filter(TO_DATE("A"."LOGONTIME",'yyyy-mm-dd HH24:MI:SS')>TO_DATE(' 2017-12-08 
              00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND LNNVL(REPLACE("A"."CLIENTIP",SUBSTR("A"."CLIENT
              IP",INSTR("A"."CLIENTIP",':')))<>:B1))

              
              
              explain plan for select *
  from (select distinct (replace(a.clientip,
                                 substr(a.clientip, instr(a.clientip, ':')))) as ip,
                        a.orgid,
                        a.tellerid
          from btop_teller_tellerlogin a
         where to_date(a.logontime, 'yyyy-mm-dd HH24:MI:SS') <
               to_date('2017-12-08', 'yyyy-mm-dd')) c
 where c.ip not in
       (select distinct (replace(a.clientip,
                                 substr(a.clientip, instr(a.clientip, ':'))))
          from btop_teller_tellerlogin a
         where to_date(a.logontime, 'yyyy-mm-dd HH24:MI:SS') >
               to_date('2017-12-08', 'yyyy-mm-dd'));
               
               
               
               select count(*) from (select distinct (replace(a.clientip,
                                 substr(a.clientip, instr(a.clientip, ':')))) as ip,
                        a.orgid,
                        a.tellerid
          from btop_teller_tellerlogin a
         where to_date(a.logontime, 'yyyy-mm-dd HH24:MI:SS') <
               to_date('2017-12-08', 'yyyy-mm-dd'))
               
               --9088
               
               create index btop_teller_tellerlogin_idx1 on btop_teller_tellerlogin(to_date(logontime, 'yyyy-mm-dd HH24:MI:SS')) online;
               
               
               
Plan hash value: 2733609535

------------------------------------------------------------------------------------------------------------------------------------------------------------
| Id  | Operation                              | Name                         | Starts | E-Rows | A-Rows |   A-Time   | Buffers |  OMem |  1Mem | Used-Mem |
------------------------------------------------------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                       |                              |      1 |        |   2700 |00:00:08.65 |    2415K|       |       |          |
|*  1 |  FILTER                                |                              |      1 |        |   2700 |00:00:08.65 |    2415K|       |       |          |
|   2 |   VIEW                                 |                              |      1 |  14159 |   9088 |00:00:01.52 |     255K|       |       |          |
|   3 |    SORT UNIQUE                         |                              |      1 |  14159 |   9088 |00:00:01.52 |     255K|   761K|   761K|  676K (0)|
|   4 |     TABLE ACCESS BY INDEX ROWID BATCHED| BTOP_TELLER_TELLERLOGIN      |      1 |  14159 |    296K|00:00:00.72 |     255K|       |       |          |
|*  5 |      INDEX RANGE SCAN                  | BTOP_TELLER_TELLERLOGIN_IDX1 |      1 |   2692 |    296K|00:00:00.11 |     789 |       |       |          |
|*  6 |   TABLE ACCESS BY INDEX ROWID BATCHED  | BTOP_TELLER_TELLERLOGIN      |   1636 |      2 |   1011 |00:00:07.12 |    2160K|       |       |          |
|*  7 |    INDEX RANGE SCAN                    | BTOP_TELLER_TELLERLOGIN_IDX1 |   1636 |        |   2798K|00:00:00.83 |    8150 |       |       |          |
------------------------------------------------------------------------------------------------------------------------------------------------------------

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

   1 - filter( IS NULL)
   5 - access("A"."SYS_NC00010$"<TO_DATE(' 2017-12-08 00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
   6 - filter(LNNVL(REPLACE("A"."CLIENTIP",SUBSTR("A"."CLIENTIP",INSTR("A"."CLIENTIP",':')))<>:B1))
   7 - access("A"."SYS_NC00010$">TO_DATE(' 2017-12-08 00:00:00', 'syyyy-mm-dd hh24:mi:ss'))


37 rows selected.


SQL> select segment_name,bytes/1024/1024 from dba_segments a where a.segment_name=upper('BTOP_TELLER_TELLERLOGIN');

SEGMENT_NAME
--------------------------------------------------------------------------------
BYTES/1024/1024
---------------
BTOP_TELLER_TELLERLOGIN
             52
             
本来需要访问的数据为 1636*52M=83G