我正在尝试调整下面的代码，但无法获得肯定的结果。
我尝试了一些索引和提示。下面是需要很多时间的查询。我需要调整此查询。 我还粘贴了以下查询的解释计划。有人可以让我知道可以做些什么来调整它。
WITH slot_and_sub_slot AS
(SELECT DISTINCT mv.sne,
mv.parent_iv_sysid,
mv.isu,
mv.parent_card_log_pos,
mv.parent_card_dxc_pos,
mv.child_log_pos,
mv.child_dxc_pos,
mv1.sne_id EQPT,
mv1.locality_name,
mv1.trs_1141_code,
mv1.device_manufacturer
||' / '
|| mv1.device_type
||' / '
|| mv1.device_model
||' / '
|| mv1.device_version
||' / '
|| mv1.device_usage Device
FROM BUILD_CARD_HIERARCHY_MV_ES MV,
linechart_freeslots_mv mv1,
potential_card_versions pcv,
inventory_versions iv_p,
shelf_instances si,
potential_iv_versions piv
,look_up_values luv
WHERE mv.sne = mv1.sne_id
AND mv1.LOC_1141_CODE = 'AA'
AND pcv.plp_isu_sysid = mv.isu
AND mv.CHILD_IV_SYSID = PCV.IV_SYSID
AND pcv.plp_log_pos_type = mv.child_log_pos
AND pcv.plp_dxc_pos_no = '0'
AND pcv.iv_sysid = piv.card_iv_sysid
AND pcv.plp_log_pos_type = piv.card_log_pos_type
AND iv_p.sysid = si.iv_sysid
AND si.iv_sysid = piv.shelf_iv_sysid
AND si.lps_sne_id = mv.sne
AND si.lps_plp_log_pos_type = piv.shelf_log_pos_type
AND iv_p.component_type = 'R'
AND '' || mv.isu = luv.look_up_value
AND luv.table_name = 'LOCATION_SUMMARY'
AND luv.column_name = 'MODEL'
and mv.sne=16831
),
child_card AS
( SELECT DISTINCT sss.sne lp_sne_id,
sss.isu lp_plp_isu_sysid,
sss.child_log_pos lp_plp_log_pos_type,
sss.child_dxc_pos lp_plp_dxc_pos_no,
sss.locality_name,
sss.trs_1141_code,
sss.Device
FROM slot_and_sub_slot sss,
inventory_versions iv1
WHERE iv1.sysid = sss.parent_iv_sysid
START WITH sss.parent_card_log_pos = sss.parent_card_log_pos
CONNECT BY PRIOR sss.child_log_pos = sss.parent_card_log_pos
AND PRIOR sss.child_dxc_pos = sss.parent_card_dxc_pos
)
SELECT COUNT (1) count_slots
FROM
(SELECT DISTINCT child_card.lp_plp_log_pos_type,
child_card.lp_plp_dxc_pos_no,
child_card.lp_sne_id EQPT,
child_card.locality_name,
child_card.trs_1141_code
FROM child_card
WHERE NOT EXISTS
(SELECT 1
FROM CARDS car
WHERE car.lps_sne_id = child_card.lp_sne_id
AND car.lps_plp_log_pos_type = child_card.lp_plp_log_pos_type
)
UNION
SELECT DISTINCT lgp.plp_log_pos_type lp_plp_log_pos_type,
LGP.PLP_DXC_POS_NO lp_plp_dxc_pos_no,
sne1.sne_id eqpt,
l.name locality_name,
sne1.TA_CODE_1141 trs_1141_code
FROM SDH_NETWORK_ELEMENTS sne1,
LOGICAL_POSITIONS lgp,
INVENTORY_SNE_USAGES isu1,
LOCALITIES l,
look_up_values luv,
parties p,
potential_card_versions pcv,
inventory_versions iv_p,
shelf_instances si,
potential_iv_versions piv
WHERE l.code_1141 = sne1.loc_code_1141
AND lgp.sne_id = sne1.sne_id
AND lgp.shelf_log_pos = 'N'
AND isu1.sysid = sne1.isu_sysid
AND sne1.loc_code_1141 = 'AA'
AND isu1.iv_par_id = p.par_id
AND ''
|| isu1.sysid = luv.look_up_value
AND luv.table_name = 'LOCATION_SUMMARY'
AND luv.column_name = 'MODEL'
AND pcv.plp_isu_sysid = isu1.sysid
AND pcv.plp_log_pos_type = lgp.plp_log_pos_type
AND pcv.plp_dxc_pos_no = '0'
AND pcv.iv_sysid = piv.card_iv_sysid
AND pcv.plp_log_pos_type = piv.card_log_pos_type
AND iv_p.sysid = si.iv_sysid
AND si.iv_sysid = piv.shelf_iv_sysid
AND si.lps_sne_id = lgp.sne_id
AND si.lps_plp_log_pos_type = piv.shelf_log_pos_type
AND iv_p.component_type = 'R'
AND NOT EXISTS
(SELECT 1
FROM CARDS car
WHERE car.lps_sne_id = lgp.sne_id
AND car.lps_plp_log_pos_type = lgp.plp_log_pos_type
)
);
Plan hash value: 1744937147
--------------------------------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
--------------------------------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | | 86 (5)| 00:00:02 |
| 1 | TEMP TABLE TRANSFORMATION | | | | | |
| 2 | LOAD AS SELECT | | | | | |
| 3 | HASH UNIQUE | | 1 | 477 | 18 (6)| 00:00:01 |
| 4 | NESTED LOOPS | | 1 | 477 | 17 (0)| 00:00:01 |
| 5 | NESTED LOOPS | | 1 | 470 | 16 (0)| 00:00:01 |
| 6 | NESTED LOOPS | | 1 | 442 | 16 (0)| 00:00:01 |
| 7 | NESTED LOOPS | | 1 | 423 | 16 (0)| 00:00:01 |
| 8 | NESTED LOOPS | | 1 | 378 | 16 (0)| 00:00:01 |
| 9 | MERGE JOIN CARTESIAN | | 1 | 119 | 2 (0)| 00:00:01 |
|* 10 | INDEX RANGE SCAN | SHI_SNE_POS_ISU_IV_UK | 1 | 17 | 2 (0)| 00:00:01 |
| 11 | BUFFER SORT | | 1 | 102 | 0 (0)| 00:00:01 |
| 12 | MAT_VIEW ACCESS BY INDEX ROWID | BUILD_CARD_HIERARCHY_MV_ES | 1 | 102 | 0 (0)| 00:00:01 |
|* 13 | INDEX RANGE SCAN | INDX_BCH_SNE | 1 | | 0 (0)| 00:00:01 |
| 14 | MAT_VIEW ACCESS BY INDEX ROWID | LINECHART_FREESLOTS_MV | 45 | 11655 | 16 (0)| 00:00:01 |
| 15 | BITMAP CONVERSION TO ROWIDS | | | | | |
| 16 | BITMAP AND | | | | | |
| 17 | BITMAP CONVERSION FROM ROWIDS | | | | | |
|* 18 | INDEX RANGE SCAN | INDX_LINECHART_FREESLOTS_SNE | 224 | | 0 (0)| 00:00:01 |
| 19 | BITMAP CONVERSION FROM ROWIDS | | | | | |
|* 20 | INDEX RANGE SCAN | INDX_LFM_LOC_1141_CODE | 224 | | 0 (0)| 00:00:01 |
|* 21 | INDEX UNIQUE SCAN | LUV_PK | 1 | 45 | 0 (0)| 00:00:01 |
|* 22 | INDEX UNIQUE SCAN | PCV_UK | 1 | 19 | 0 (0)| 00:00:01 |
|* 23 | INDEX UNIQUE SCAN | PIV_UNIQUE | 1 | 28 | 0 (0)| 00:00:01 |
|* 24 | TABLE ACCESS BY INDEX ROWID | INVENTORY_VERSIONS | 1 | 7 | 1 (0)| 00:00:01 |
|* 25 | INDEX UNIQUE SCAN | IV_PK | 1 | | 0 (0)| 00:00:01 |
| 26 | SORT AGGREGATE | | 1 | | | |
| 27 | VIEW | | 2 | | 68 (5)| 00:00:01 |
| 28 | SORT UNIQUE | | 2 | 358 | 68 (93)| 00:00:01 |
| 29 | UNION-ALL | | | | | |
|* 30 | FILTER | | | | | |
| 31 | VIEW | | 1 | 173 | 3 (34)| 00:00:01 |
| 32 | HASH UNIQUE | | 1 | 332 | 3 (34)| 00:00:01 |
|* 33 | CONNECT BY WITH FILTERING | | | | | |
|* 34 | FILTER | | | | | |
| 35 | COUNT | | | | | |
| 36 | NESTED LOOPS | | 1 | 332 | 2 (0)| 00:00:01 |
| 37 | VIEW | | 1 | 327 | 2 (0)| 00:00:01 |
| 38 | TABLE ACCESS FULL | SYS_TEMP_0FD9D6603_78A91C0C | 1 | 340 | 2 (0)| 00:00:01 |
|* 39 | INDEX UNIQUE SCAN | IV_PK | 1 | 5 | 0 (0)| 00:00:01 |
|* 40 | HASH JOIN | | | | | |
| 41 | CONNECT BY PUMP | | | | | |
| 42 | COUNT | | | | | |
| 43 | NESTED LOOPS | | 1 | 332 | 2 (0)| 00:00:01 |
| 44 | VIEW | | 1 | 327 | 2 (0)| 00:00:01 |
| 45 | TABLE ACCESS FULL | SYS_TEMP_0FD9D6603_78A91C0C | 1 | 340 | 2 (0)| 00:00:01 |
|* 46 | INDEX UNIQUE SCAN | IV_PK | 1 | 5 | 0 (0)| 00:00:01 |
|* 47 | INDEX RANGE SCAN | CAR_PK | 1 | 13 | 3 (0)| 00:00:01 |
| 48 | NESTED LOOPS | | 1 | 185 | 57 (0)| 00:00:01 |
| 49 | NESTED LOOPS | | 1 | 178 | 56 (0)| 00:00:01 |
| 50 | NESTED LOOPS | | 1 | 150 | 56 (0)| 00:00:01 |
| 51 | NESTED LOOPS | | 1 | 131 | 55 (0)| 00:00:01 |
| 52 | NESTED LOOPS | | 1 | 114 | 54 (0)| 00:00:01 |
| 53 | NESTED LOOPS | | 1 | 96 | 52 (0)| 00:00:01 |
| 54 | NESTED LOOPS | | 1 | 90 | 52 (0)| 00:00:01 |
| 55 | MERGE JOIN CARTESIAN | | 1 | 82 | 50 (0)| 00:00:01 |
| 56 | NESTED LOOPS | | 1 | 62 | 4 (0)| 00:00:01 |
| 57 | TABLE ACCESS BY INDEX ROWID| LOCALITIES | 1 | 17 | 2 (0)| 00:00:01 |
|* 58 | INDEX UNIQUE SCAN | LCL_PK | 1 | | 1 (0)| 00:00:01 |
|* 59 | INDEX RANGE SCAN | LUV_PK | 1 | 45 | 2 (0)| 00:00:01 |
| 60 | BUFFER SORT | | 190 | 3800 | 48 (0)| 00:00:01 |
| 61 | TABLE ACCESS BY INDEX ROWID| SDH_NETWORK_ELEMENTS | 190 | 3800 | 46 (0)| 00:00:01 |
|* 62 | INDEX RANGE SCAN | SNE_LOC_CODE_1141_I | 190 | | 0 (0)| 00:00:01 |
| 63 | TABLE ACCESS BY INDEX ROWID | INVENTORY_SNE_USAGES | 1 | 8 | 2 (0)| 00:00:01 |
|* 64 | INDEX UNIQUE SCAN | ISU_PK | 1 | | 1 (0)| 00:00:01 |
|* 65 | INDEX UNIQUE SCAN | PAR_PK | 1 | 6 | 0 (0)| 00:00:01 |
|* 66 | TABLE ACCESS BY INDEX ROWID | LOGICAL_POSITIONS | 4 | 72 | 2 (0)| 00:00:01 |
|* 67 | INDEX RANGE SCAN | LPS_PK | 7 | | 1 (0)| 00:00:01 |
|* 68 | INDEX RANGE SCAN | CAR_PK | 1 | 13 | 3 (0)| 00:00:01 |
|* 69 | INDEX RANGE SCAN | SHI_SNE_POS_ISU_IV_UK | 1 | 17 | 1 (0)| 00:00:01 |
|* 70 | INDEX RANGE SCAN | PCV_UK | 1 | 19 | 1 (0)| 00:00:01 |
|* 71 | INDEX UNIQUE SCAN | PIV_UNIQUE | 1 | 28 | 0 (0)| 00:00:01 |
|* 72 | TABLE ACCESS BY INDEX ROWID | INVENTORY_VERSIONS | 1 | 7 | 1 (0)| 00:00:01 |
|* 73 | INDEX UNIQUE SCAN | IV_PK | 1 | | 0 (0)| 00:00:01 |
--------------------------------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
10 - access("SI"."LPS_SNE_ID"=16831)
13 - access("MV"."SNE"=16831)
18 - access("MV1"."SNE_ID"=16831)
filter("MV"."SNE"="MV1"."SNE_ID")
20 - access("MV1"."LOC_1141_CODE"='AA')
21 - access("LUV"."TABLE_NAME"='LOCATION_SUMMARY' AND "LUV"."COLUMN_NAME"='MODEL' AND
"LUV"."LOOK_UP_VALUE"=''||TO_CHAR("MV"."ISU"))
22 - access("PCV"."PLP_ISU_SYSID"="MV"."ISU" AND "PCV"."PLP_LOG_POS_TYPE"="MV"."CHILD_LOG_POS" AND
"PCV"."PLP_DXC_POS_NO"=0 AND "MV"."CHILD_IV_SYSID"="PCV"."IV_SYSID")
23 - access("SI"."IV_SYSID"="PIV"."SHELF_IV_SYSID" AND "SI"."LPS_PLP_LOG_POS_TYPE"="PIV"."SHELF_LOG_POS_TYPE"
AND "PCV"."IV_SYSID"="PIV"."CARD_IV_SYSID" AND "PCV"."PLP_LOG_POS_TYPE"="PIV"."CARD_LOG_POS_TYPE")
24 - filter("IV_P"."COMPONENT_TYPE"='R')
25 - access("IV_P"."SYSID"="SI"."IV_SYSID")
30 - filter( NOT EXISTS (SELECT 0 FROM "CARDS" "CAR" WHERE "CAR"."LPS_PLP_LOG_POS_TYPE"=:B1 AND
"CAR"."LPS_SNE_ID"=:B2))
33 - access("SSS"."PARENT_CARD_LOG_POS"=PRIOR "SSS"."CHILD_LOG_POS" AND "SSS"."PARENT_CARD_DXC_POS"=PRIOR
"SSS"."CHILD_DXC_POS")
34 - filter("SSS"."PARENT_CARD_LOG_POS"="SSS"."PARENT_CARD_LOG_POS")
39 - access("IV1"."SYSID"="SSS"."PARENT_IV_SYSID")
40 - access("SSS"."PARENT_CARD_LOG_POS"=PRIOR "SSS"."CHILD_LOG_POS" AND "SSS"."PARENT_CARD_DXC_POS"=PRIOR
"SSS"."CHILD_DXC_POS")
46 - access("IV1"."SYSID"="SSS"."PARENT_IV_SYSID")
47 - access("CAR"."LPS_SNE_ID"=:B1 AND "CAR"."LPS_PLP_LOG_POS_TYPE"=:B2)
58 - access("L"."CODE_1141"='AA')
59 - access("LUV"."TABLE_NAME"='LOCATION_SUMMARY' AND "LUV"."COLUMN_NAME"='MODEL')
62 - access("SNE1"."LOC_CODE_1141"='AA')
64 - access("SNE1"."ISU_SYSID"="ISU1"."SYSID")
filter("LUV"."LOOK_UP_VALUE"=''||TO_CHAR("ISU1"."SYSID"))
65 - access("ISU1"."IV_PAR_ID"="P"."PAR_ID")
66 - filter("LGP"."SHELF_LOG_POS"='N')
67 - access("LGP"."SNE_ID"="SNE1"."SNE_ID")
filter( NOT EXISTS (SELECT 0 FROM "CARDS" "CAR" WHERE "CAR"."LPS_PLP_LOG_POS_TYPE"=:B1 AND
"CAR"."LPS_SNE_ID"=:B2))
68 - access("CAR"."LPS_SNE_ID"=:B1 AND "CAR"."LPS_PLP_LOG_POS_TYPE"=:B2)
69 - access("SI"."LPS_SNE_ID"="LGP"."SNE_ID")
70 - access("PCV"."PLP_ISU_SYSID"="ISU1"."SYSID" AND "PCV"."PLP_LOG_POS_TYPE"="LGP"."PLP_LOG_POS_TYPE" AND
"PCV"."PLP_DXC_POS_NO"=0)
71 - access("SI"."IV_SYSID"="PIV"."SHELF_IV_SYSID" AND "SI"."LPS_PLP_LOG_POS_TYPE"="PIV"."SHELF_LOG_POS_TYPE"
AND "PCV"."IV_SYSID"="PIV"."CARD_IV_SYSID" AND "PCV"."PLP_LOG_POS_TYPE"="PIV"."CARD_LOG_POS_TYPE")
72 - filter("IV_P"."COMPONENT_TYPE"='R')
73 - access("IV_P"."SYSID"="SI"."IV_SYSID")
Note
-----
- dynamic sampling used for this statement