sql

select  --/*+ enable_index_filter(1)  enable_hash_join(0)  use_nl_with_index(authallrea2_,IDX_DM_20236274)*/ 
--/*+ no_semi_gen_cross HI_RIGHT_ORDER_FLAG(2) ADAPTIVE_NPLN_FLAG(3)  USE_INDEX_SKIP_SCAN(1)*/ 
citicscoma0_.fd_id as fd1_88_, 
         citicscoma0_.sync_data_to_calendar_time as sync2_88_, 
         citicscoma0_.fd_last_modified_time as fd3_88_, 
         citicscoma0_.doc_subject as doc4_88_, 
         citicscoma0_.fd_current_number as fd5_88_, 
         citicscoma0_.fd_feedback_modify as fd6_88_, 
         citicscoma0_.fd_feedback_executed as fd7_88_, 
         citicscoma0_.fd_number as fd8_88_, 
         citicscoma0_.doc_creator_id as doc9_88_, 
         citicscoma0_.doc_create_time as doc10_88_, 
         citicscoma0_.fd_department_id as fd11_88_, 
         citicscoma0_.doc_publish_time as doc12_88_, 
         citicscoma0_.doc_read_count as doc13_88_, 
         citicscoma0_.extend_file_path as extend14_88_, 
         citicscoma0_.fd_use_form as fd17_88_, 
         citicscoma0_.fd_disable_mobile_form as fd18_88_, 
         citicscoma0_.doc_status as doc19_88_, 
         citicscoma0_.auth_att_nodownload as auth20_88_, 
         citicscoma0_.auth_att_nocopy as auth21_88_, 
         citicscoma0_.auth_att_noprint as auth22_88_, 
         citicscoma0_.auth_reader_flag as auth23_88_, 
         citicscoma0_.fd_change_reader_flag as fd24_88_, 
         citicscoma0_.fd_rbp_flag as fd25_88_, 
         citicscoma0_.fd_change_att as fd26_88_, 
         citicscoma0_.fd_model_name as fd27_88_, 
         citicscoma0_.fd_model_id as fd28_88_, 
         citicscoma0_.fd_work_id as fd29_88_, 
         citicscoma0_.fd_phase_id as fd30_88_, 
         citicscoma0_.fd_title_regulation as fd31_88_, 
         citicscoma0_.fd_template_id as fd32_88_, 
         citicscoma0_.auth_area_id as auth33_88_ 
    from ekp.citics_co_main    citicscoma0_
   where citicscoma0_.fd_id in (select /*+ no_index(citicscoma1_,INDEX33589155)*/citicscoma1_.fd_id 
               from citics_co_main   citicscoma1_ 
                
         inner join citics_co_main_areader authallrea2_ 
                 on citicscoma1_.fd_id=authallrea2_.fd_doc_id 
         inner join sys_org_element sysorgelem3_ 
                 on authallrea2_.auth_all_reader_id=sysorgelem3_.fd_id 
              where  citicscoma1_.doc_subject  like '%安鑫固收20号%'  
                and (sysorgelem3_.fd_id in ('1183b0b84ee4f581bba001c47a78b39d', 
'16f579a9a65cbdb583f878940a9b64fd', 
'15cedbcac0ca5181d5b9afe47f2875bb', 
'171ba1f2a7bee7e39ed03934fafad9e9', 
'17216119369cdceaf7068fa49edab66b', 
'17494e28b43045f2c07c6d946bb979ad', 
'1549efdc8f72b8e452be9524e0eac685', 
'1549f068e46b26d8d970562414b8d0e7', 
'16b880568d334e113d1603340dabf692',
'1635c98810526a9b5e57e884bd39d66b', 
'16fa715c85b35d9db5e65124021b672b', 
'16fc74e4d78c015f04f045e41f4950ce', 
'17ae0dc5b3ce706d4e90f4c47c5b9e53', 
'16f78e2e9c67cf5c645bbcc4c3ba9ead', 
'172a74e6a8da8ecf2a296664ae78f80d', 
'1725422173088761b8e15d44e21b3ada', 
'1886b80ab2b3b37c7456ad24ba8afd30', 
'188b81998f6a725d9a39b5541fb895d4', 
'15678d66c764ab9b3e616b748de9da06', 
'186b16f95b0a606bc2a4cfa4cf1ac8dc', 
'1842cc006fa8cfc00e3b1d54b3585ffa', 
'18d3915c891f81e75d23ddd497883822' , 
'18ecc3ecbacbfda9ed9dac9483aafb47'))) 
order by citicscoma0_.doc_create_time desc  , 
         citicscoma0_.fd_id  desc  limit 15;

autotrace+et



1   #NSET2: [24824, 1->10, 1371] 
2     #PRJT2: [24824, 1->10, 1371]; exp_num(32), is_atom(FALSE) 
3       #SORT3: [24824, 1->10, 1371]; key_num(2), is_distinct(FALSE), is_adaptive(0), MEM_USED(30720KB), DISK_USED(0KB)
4         #NEST LOOP INDEX JOIN2: [24823, 1->10, 1371] 
5           #DISTINCT: [24823, 1->10, 192], MEM_USED(7KB), DISK_USED(0KB)
6             #PRJT2: [24783, 170960->21, 192]; exp_num(1), is_atom(FALSE) 
7               #SLCT2: [24783, 170960->21, 192]; exp11 LIKE '%安鑫固收20号%'
8                 #NEST LOOP INDEX JOIN2: [24783, 170960->214969, 192] 
9                   #NEST LOOP INDEX JOIN2: [25, 170960->214969, 96] 
10                    #CONST VALUE LIST: [1, 23->23, 48]; row_num(23), col_num(1), 
11                    #SSEK2: [25, 7433->214969, 96]; scan_type(ASC), IDX_DM_011102(CITICS_CO_MAIN_AREADER), scan_range[(DMTEMPVIEW_891776973.colname,min),(DMTEMPVIEW_891776973.colname,max))
12                  #BLKUP2: [1116, 1->214969, 48]; INDEX33589155(CITICS_CO_MAIN)
13                    #SSEK2: [1116, 1->214969, 48]; scan_type(ASC), INDEX33589155(CITICS_CO_MAIN), scan_range[AUTHALLREA2_.FD_DOC_ID,AUTHALLREA2_.FD_DOC_ID]
14          #BLKUP2: [1, 1->10, 48]; INDEX33589155(CITICS_CO_MAIN)
15            #SSEK2: [1, 1->10, 48]; scan_type(ASC), INDEX33589155(CITICS_CO_MAIN), scan_range[DMTEMPVIEW_891776971.colname,DMTEMPVIEW_891776971.colname]

Statistics
-----------------------------------------------------------------
        0	    data pages changed
        0	    undo pages changed
        1217553	    logical reads
        74462	    physical reads
        0	    redo size
        10407	    bytes sent to client
        9555	    bytes received from client
        1	    roundtrips to/from client
        0	    sorts (memory)
        0	    sorts (disk)
        10	    rows processed
        3910	    io wait time(ms)
        8103	    exec time(ms)


已用时间: 00:00:08.103. 执行号:36768608.
SQL> et(36768608);

行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
1          DLCK   2                    0%      16                   0           2           0                    0                    0
           0                    NULL              NULL            0

2          PRJT2  6                    0%      15                   2           4           0                    0                    0
           0                    NULL              NULL            0

3          IJI2   17                   0%      14                   4           33          0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
4          CONSTV 21                   0%      13                   10          2           0                    0                    0
           0                    NULL              NULL            0

5          PRJT2  46                   0%      12                   6           44          0                    0                    0
           0                    NULL              NULL            0

6          SSEK2  110                  0%      11                   15          20          0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
7          NSET2  123                  0%      10                   1           3           0                    0                    0
           0                    NULL              NULL            0

8          BLKUP2 164                  0%      9                    14          40          0                    0                    0
           0                    NULL              NULL            0

9          DIST   200                  0%      8                    5           24          7                    0                    10
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
10         SORT3  205                  0%      7                    3           13          30720                0                    0
           0                    NULL              NULL            0

11         IJI2   2851                 0.04%   6                    9           1462        0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
12         SSEK2  65347                0.82%   5                    11          741         0                    0                    0
           0                    NULL              NULL            0

13         IJI2   104902               1.32%   4                    8           645627      0                    0                    0
           0                    NULL              NULL            0

14         SLCT2  310911               3.91%   3                    7           214992      0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
15         SSEK2  3024147              38.01%  2                    13          429938      0                    0                    0
           0                    NULL              NULL            0

16         BLKUP2 4447612              55.9%   1                    12          859876      0                    0                    0
           0                    NULL              NULL            0


16 rows got 

Statistics
-----------------------------------------------------------------
        0	    data pages changed
        0	    undo pages changed
        274	    logical reads
        2	    physical reads
        0	    redo size
        3277	    bytes sent to client
        78	    bytes received from client
        1	    roundtrips to/from client
        2	    sorts (memory)
        0	    sorts (disk)
        16	    rows processed
        0	    io wait time(ms)
        28	    exec time(ms)


已用时间: 28.193(毫秒). 执行号:36768609. 

加HINT后autotrace+et

--/*+ enable_index_filter(1)  enable_hash_join(0)  use_nl_with_index(authallrea2_,IDX_DM_20236274)*/ 
CREATE OR REPLACE  INDEX "IDX_DM_20236274" ON "EKP"."CITICS_CO_MAIN"("FD_ID" ASC,"DOC_SUBJECT" ASC) STORAGE(ON "IDX_EKP", CLUSTERBTR) ;

1   #NSET2: [19639, 1->10, 1371] 
2     #PRJT2: [19639, 1->10, 1371]; exp_num(32), is_atom(FALSE) 
3       #SORT3: [19639, 1->10, 1371]; key_num(2), is_distinct(FALSE), is_adaptive(0), MEM_USED(30720KB), DISK_USED(0KB)
4         #NEST LOOP INDEX JOIN2: [19638, 1->10, 1371] 
5           #DISTINCT: [19638, 1->10, 192], MEM_USED(7KB), DISK_USED(0KB)
6             #PRJT2: [19603, 170960->21, 192]; exp_num(1), is_atom(FALSE) 
7               #NEST LOOP INDEX JOIN2: [19603, 170960->21, 192] 
8                 #NEST LOOP INDEX JOIN2: [25, 170960->214975, 96] 
9                   #CONST VALUE LIST: [1, 23->23, 48]; row_num(23), col_num(1), 
10                  #SSEK2: [25, 7433->214975, 96]; scan_type(ASC), IDX_DM_011102(CITICS_CO_MAIN_AREADER), scan_range[(DMTEMPVIEW_891778451.colname,min),(DMTEMPVIEW_891778451.colname,max))
11                #SLCT2: [763, 1->21, 96]; exp11 > 0
12                  #SSEK2: [763, 1->214975, 96]; scan_type(ASC), IDX_DM_20236274(CITICS_CO_MAIN), scan_range[(AUTHALLREA2_.FD_DOC_ID,min),(AUTHALLREA2_.FD_DOC_ID,max))
13          #BLKUP2: [1, 1->10, 48]; INDEX33589155(CITICS_CO_MAIN)
14            #SSEK2: [1, 1->10, 48]; scan_type(ASC), INDEX33589155(CITICS_CO_MAIN), scan_range[DMTEMPVIEW_891778449.colname,DMTEMPVIEW_891778449.colname]

Statistics
-----------------------------------------------------------------
        0	    data pages changed
        0	    undo pages changed
        838778	    logical reads
        24514	    physical reads
        0	    redo size
        10415	    bytes sent to client
        9660	    bytes received from client
        1	    roundtrips to/from client
        0	    sorts (memory)
        0	    sorts (disk)
        10	    rows processed
        882	    io wait time(ms)
        5115	    exec time(ms)


已用时间: 00:00:05.115. 执行号:36768612.
SQL> et(36768612);

行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
1          PRJT2  3                    0%      14                   2           4           0                    0                    0
           0                    NULL              NULL            0

2          DLCK   3                    0%      14                   0           2           0                    0                    0
           0                    NULL              NULL            0

3          IJI2   12                   0%      13                   4           33          0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
4          CONSTV 21                   0%      12                   9           2           0                    0                    0
           0                    NULL              NULL            0

5          PRJT2  35                   0%      11                   6           44          0                    0                    0
           0                    NULL              NULL            0

6          NSET2  125                  0%      10                   1           3           0                    0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
7          SSEK2  148                  0%      9                    14          20          0                    0                    0
           0                    NULL              NULL            0

8          BLKUP2 191                  0%      8                    13          40          0                    0                    0
           0                    NULL              NULL            0

9          SORT3  209                  0%      7                    3           13          30720                0                    0
           0                    NULL              NULL            0


行号     OP     TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ------ -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
10         DIST   221                  0%      6                    5           24          7                    0                    10
           0                    NULL              NULL            0

11         IJI2   2259                 0.04%   5                    8           1462        0                    0                    0
           0                    NULL              NULL            0


行号     OP    TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ----- -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
12         SSEK2 23407                0.47%   4                    10          741         0                    0                    0
           0                    NULL              NULL            0

13         IJI2  28936                0.57%   3                    7           215737      0                    0                    0
           0                    NULL              NULL            0

14         SLCT2 291997               5.8%    2                    11          644946      0                    0                    0
           0                    NULL              NULL            0


行号     OP    TIME(US)             PERCENT RANK                 SEQ         N_ENTER     MEM_USED(KB)         DISK_USED(KB)        HASH_USED_CELLS     
---------- ----- -------------------- ------- -------------------- ----------- ----------- -------------------- -------------------- --------------------
           HASH_CONFLICT        DHASH3_USED_CELLS DHASH3_CONFLICT HASH_SAME_VALUE     
           -------------------- ----------------- --------------- --------------------
15         SSEK2 4685253              93.09%  1                    12          429950      0                    0                    0
           0                    NULL              NULL            0


15 rows got



Statistics
-----------------------------------------------------------------
        0	    data pages changed
        0	    undo pages changed
        276	    logical reads
        0	    physical reads
        0	    redo size
        3135	    bytes sent to client
        78	    bytes received from client
        1	    roundtrips to/from client
        2	    sorts (memory)
        0	    sorts (disk)
        15	    rows processed
        0	    io wait time(ms)
        22	    exec time(ms)


已用时间: 22.144(毫秒). 执行号:36768613.