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1#
发表于 2013-3-21 16:44:50
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查看: 4617 |
回复: 9
本帖最后由 zyo_320 于 2013-3-21 16:51 编辑
视图内容:
create or replace view v_market_tran_info_base
(id, market_id, market_name, transantion_date, wholesaler_id, wholesaler_name, retailer_id, retailer_name, tran_id, update_time)
as
select
row_number() over(order by t.UPDATE_TIME),
t.MARKET_ID,
t.MARKET_NAME,
t.TRANSANTION_DATE,
t.WHOLESALER_ID,
t.WHOLESALER_NAME,
t.RETAILER_ID,
t.RETAILER_NAME,
t.TRAN_ID,
t.UPDATE_TIME
from
(
select
agen.rrstAgenNo as MARKET_ID,
agen.fullname as MARKET_NAME,
to_char(to_date(ch. ClinchDate, 'YYYYMMDD'), 'YYYY-MM-DD') as TRANSANTION_DATE,
sel.code as WHOLESALER_ID,
sel.name as WHOLESALER_NAME,
buy.code as RETAILER_ID,
buy.name as RETAILER_NAME,
chd.retailRrstno as TRAN_ID,
ch.chktime as UPDATE_TIME
from T_WS_CLINCH ch,
T_WS_CLINCHD chd,
T_SYS_CODE_AGEN agen,
T_REG_BUSINESS sel,
T_REG_BUSINESS buy
where chd.clinchNo = ch.clinchNo
and ch.agenId = agen.id
and ch.busiId = sel.id
and ch.buyBusiId = buy.id
and ch.busiId <> ch.buyBusiId
and ch.chktime > to_date('2011-10-1','YYYY-MM-DD')
and chd.price<>0
UNION ALL
select
agen.rrstAgenNo as MARKET_ID,
agen.fullname as MARKET_NAME,
to_char(to_date(fm. ClinchDate, 'YYYYMMDD'), 'YYYY-MM-DD') as TRANSANTION_DATE ,
sel.code as WHOLESALER_ID,
sel.name as WHOLESALER_NAME,
buy.code as RETAILER_ID,
buy.name as RETAILER_NAME,
fmd.retailRrstno as TRAN_ID,
fm.chktime as UPDATE_TIME
from T_WS_CLINCHFM fm,
T_WS_CLINCHFMD fmd,
T_SYS_CODE_AGEN agen,
T_REG_BUSINESS sel,
T_REG_BUSINESS buy
where fmd.clinchNo = fm.clinchNo
and fm.agenId = agen.id
and fm.busiId = sel.id
and fm.buyBusiId = buy.id
and fm.chktime > to_date('2011-10-1','YYYY-MM-DD')
and fmd.price<>0
UNION ALL
select
agen.rrstAgenNo as MARKET_ID,
agen.fullname as MARKET_NAME,
to_char(to_date(vegch. ClinchDate, 'YYYYMMDD'), 'YYYY-MM-DD') as TRANSANTION_DATE,
sel.code as WHOLESALER_ID,
sel.name as WHOLESALER_NAME,
buy.code as RETAILER_ID,
buy.name as RETAILER_NAME,
vegchd.retailRrstno as TRAN_ID,
vegch.chktime as UPDATE_TIME
from T_WSVEG_CLINCH vegch,
T_WSVEG_CLINCHD vegchd,
T_SYS_CODE_AGEN agen,
T_REG_BUSINESS sel,
T_REG_BUSINESS buy
where vegchd.clinchNo = vegch.clinchNo
and vegch.agenId = agen.id
and vegch.busiId = sel.id
and vegch.buyBusiId = buy.id
and vegch.chktime > to_date('2011-11-1','YYYY-MM-DD')
and vegchd.price<>0) t
order by t.UPDATE_TIME;
通过视图执行的sql语句:
explain plan for
SELECT MARKET_ID,COUNT(WHOLESALER_ID) * 10 PLAN_NUM --上报过数据的业户数*10
FROM (SELECT DISTINCT MARKET_ID, WHOLESALER_ID
FROM V_MARKET_TRAN_INFO_BASE
WHERE TRANSANTION_DATE >= '2013-01-04'
AND TRANSANTION_DATE <= '2013-02-04')
GROUP BY MARKET_ID
执行计划:
PLAN_TABLE_OUTPUT
Plan hash value: 687484610
--------------------------------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
--------------------------------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 5085K| 67M| | 111K (2)| 00:22:17 |
| 1 | HASH GROUP BY | | 5085K| 67M| | 111K (2)| 00:22:17 |
| 2 | VIEW | | 5085K| 67M| | 111K (2)| 00:22:17 |
| 3 | HASH UNIQUE | | 5085K| 101M| 311M| 111K (2)| 00:22:17 |
|* 4 | VIEW | V_MARKET_TRAN_INFO_BASE | 5085K| 101M| | 78208 (2)| 00:15:39 |
| 5 | WINDOW SORT | | 5085K| 1629M| | 78208 (2)| 00:15:39 |
| 6 | VIEW | | 5085K| 1629M| | 78208 (2)| 00:15:39 |
| 7 | UNION-ALL | | | | | | |
|* 8 | HASH JOIN | | 123K| 21M| | 2031 (2)| 00:00:25 |
| 9 | TABLE ACCESS FULL | T_REG_BUSINESS | 17223 | 454K| | 111 (1)| 00:00:02 |
|* 10 | HASH JOIN | | 123K| 18M| | 1919 (2)| 00:00:24 |
| 11 | TABLE ACCESS FULL | T_REG_BUSINESS | 17223 | 454K| | 111 (1)| 00:00:02 |
|* 12 | HASH JOIN | | 123K| 15M| | 1806 (2)| 00:00:22 |
| 13 | TABLE ACCESS FULL | T_SYS_CODE_AGEN | 207 | 8073 | | 5 (0)| 00:00:01 |
|* 14 | HASH JOIN | | 123K| 10M| 7000K| 1799 (2)| 00:00:22 |
|* 15 | TABLE ACCESS FULL | T_WS_CLINCHD | 123K| 5548K| | 599 (2)| 00:00:08 |
|* 16 | TABLE ACCESS FULL | T_WS_CLINCH | 143K| 6452K| | 462 (2)| 00:00:06 |
|* 17 | TABLE ACCESS BY INDEX ROWID | T_WS_CLINCHFMD | 1 | 46 | | 1 (0)| 00:00:01 |
| 18 | NESTED LOOPS | | 563 | 100K| | 5606 (2)| 00:01:08 |
| 19 | NESTED LOOPS | | 562 | 76994 | | 5493 (2)| 00:01:06 |
| 20 | NESTED LOOPS | | 562 | 61820 | | 5437 (2)| 00:01:06 |
|* 21 | HASH JOIN | | 562 | 46646 | | 5381 (2)| 00:01:05 |
| 22 | TABLE ACCESS FULL | T_SYS_CODE_AGEN | 207 | 8073 | | 5 (0)| 00:00:01 |
|* 23 | TABLE ACCESS FULL | T_WS_CLINCHFM | 562 | 24728 | | 5375 (2)| 00:01:05 |
| 24 | TABLE ACCESS BY INDEX ROWID| T_REG_BUSINESS | 1 | 27 | | 1 (0)| 00:00:01 |
|* 25 | INDEX UNIQUE SCAN | PK_ID | 1 | | | 1 (0)| 00:00:01 |
| 26 | TABLE ACCESS BY INDEX ROWID | T_REG_BUSINESS | 1 | 27 | | 1 (0)| 00:00:01 |
|* 27 | INDEX UNIQUE SCAN | PK_ID | 1 | | | 1 (0)| 00:00:01 |
|* 28 | INDEX RANGE SCAN | KEY_WSCLINCHFMD | 1 | | | 1 (0)| 00:00:01 |
|* 29 | HASH JOIN | | 4961K| 856M| | 70571 (2)| 00:14:07 |
| 30 | TABLE ACCESS FULL | T_REG_BUSINESS | 17223 | 454K| | 111 (1)| 00:00:02 |
|* 31 | HASH JOIN | | 4961K| 728M| | 70414 (2)| 00:14:05 |
| 32 | TABLE ACCESS FULL | T_REG_BUSINESS | 17223 | 454K| | 111 (1)| 00:00:02 |
|* 33 | HASH JOIN | | 4961K| 600M| | 70257 (2)| 00:14:04 |
| 34 | TABLE ACCESS FULL | T_SYS_CODE_AGEN | 207 | 8073 | | 5 (0)| 00:00:01 |
|* 35 | HASH JOIN | | 4961K| 416M| 237M| 70206 (1)| 00:14:03 |
|* 36 | TABLE ACCESS FULL | T_WSVEG_CLINCH | 4371K| 187M| | 23470 (2)| 00:04:42 |
|* 37 | TABLE ACCESS FULL | T_WSVEG_CLINCHD | 4961K| 203M| | 21891 (2)| 00:04:23 |
--------------------------------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
---------------------------------------------------
4 - filter("TRANSANTION_DATE">='2013-01-04' AND "TRANSANTION_DATE"<='2013-02-04')
8 - access("CH"."BUYBUSIID"="BUY"."ID")
10 - access("CH"."BUSIID"="SEL"."ID")
12 - access("CH"."AGENID"="AGEN"."ID")
14 - access("CHD"."CLINCHNO"="CH"."CLINCHNO")
15 - filter("CHD"."PRICE"<>0)
16 - filter("CH"."CHKTIME">TO_DATE('2011-10-01 00:00:00', 'yyyy-mm-dd hh24:mi:ss') AND
"CH"."BUSIID"<>"CH"."BUYBUSIID")
17 - filter("FMD"."PRICE"<>0)
21 - access("FM"."AGENID"="AGEN"."ID")
23 - filter("FM"."BUYBUSIID" IS NOT NULL AND "FM"."CHKTIME">TO_DATE('2011-10-01 00:00:00', 'yyyy-mm-dd
hh24:mi:ss'))
25 - access("FM"."BUSIID"="SEL"."ID")
27 - access("FM"."BUYBUSIID"="BUY"."ID")
28 - access("FMD"."CLINCHNO"="FM"."CLINCHNO")
29 - access("VEGCH"."BUYBUSIID"="BUY"."ID")
31 - access("VEGCH"."BUSIID"="SEL"."ID")
33 - access("VEGCH"."AGENID"="AGEN"."ID")
35 - access("VEGCHD"."CLINCHNO"="VEGCH"."CLINCHNO")
36 - filter("VEGCH"."CHKTIME">TO_DATE('2011-11-01 00:00:00', 'yyyy-mm-dd hh24:mi:ss'))
37 - filter("VEGCHD"."PRICE"<>0)
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