Sql 一个简单连接需要花费太长时间才能完成的问题
我很难确定谁来修复这个简单的连接Sql 一个简单连接需要花费太长时间才能完成的问题,sql,sql-server,join,Sql,Sql Server,Join,我很难确定谁来修复这个简单的连接 SELECT A.CUSER, COUNT(*) AS QTD FROM BO_PRODUCTCONFIG A WITH (NOLOCK) INNER JOIN BO_PRICER001 B WITH (NOLOCK) ON ( A.CIDBRANCH = B.CIDBRANCH OR B.CIDBRANCH IS NULL )
SELECT A.CUSER,
COUNT(*) AS QTD
FROM BO_PRODUCTCONFIG A WITH (NOLOCK)
INNER JOIN BO_PRICER001 B WITH (NOLOCK)
ON (
A.CIDBRANCH = B.CIDBRANCH
OR B.CIDBRANCH IS NULL
)
AND (
A.CIDPRODUCT = B.CIDPRODUCT
OR B.CIDPRODUCT IS NULL
)
SELECT pc.CUSER,
COUNT(*) AS QTD
FROM BO_PRODUCTCONFIG pc LEFT JOIN
BO_PRICER001 prbp
ON pc.CIDBRANCH = prbp.CIDBRANCH AND
pc.CIDPRODUCT = prbp.CIDPRODUCT LEFT JOIN
BO_PRICER001 prb
ON pc.CIDBRANCH = prb.CIDBRANCH AND
prbp.CIDPRODUCT IS NULL LEFT JOIN
BO_PRICER001 prp
ON prp.CIDBRANCH IS NULL AND
prp.CIDPRODUCT = pc.CIDPRODUCT LEFT JOIN
BO_PRICER001 pr
ON prp.CIDBRANCH IS NULL AND
prp.CIDPRODUCT IS NULL
WHERE prbp.CIDBRANCH is not null OR prb.CIDBRANCH is not null OR pr.CIDPRODUCT is not null or pr.<some other column> is not null;
我的问题是,在添加列B.CIDPRODUCT为NULL之后,这个查询需要几个小时才能完成
表BO_PRICER001第286537行
表BO_PRODUCTCONFIG行7934844
在BO_PRICER001表中,存在15329行,为null
如果B.CIDPRODUCT为空,则实时查询将显示此计划:
没有这一栏,计划是:
我已经尝试强制索引并切换到子查询,但问题仍然存在
如果可能的话,我真的很感谢你的帮助
PRICER001中的数据样本
CIDPRICE CIDCOMPANY CIDBRANCH CIDTABLEPRICE CIDCOMMISSIONGROUP CIDPRODUCT CIDPERIODPAYMENT DENDDATEVALIDITY DSTARTDATEVALIDITY NINCREASEPERCENT LACTIVE DLASTUPDATE NINCREASEPERCENTORIG
XPTO0319 XPTO NULL NULL NULL NULL 319 9999-12-31 00:00:00.000 2018-08-27 00:00:00.000 2.100 1 2020-10-07 05:07:37.917 21.000
XPTO0321 XPTO NULL NULL NULL NULL 321 9999-12-31 00:00:00.000 2014-08-06 00:00:00.000 2.100 1 2020-10-07 05:07:37.917 21.000
XPTO0326 XPTO NULL NULL NULL NULL 326 9999-12-31 00:00:00.000 2018-08-27 00:00:00.000 3.150 1 2020-10-07 05:07:37.917 31.500
XPTO0328 XPTO NULL NULL NULL NULL 328 9999-12-31 00:00:00.000 2014-08-06 00:00:00.000 3.150 1 2020-10-07 05:07:37.917 31.500
XPTO0345 XPTO NULL NULL NULL NULL 345 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 4.530 1 2020-10-07 05:07:37.917 45.300
XPTO0390 XPTO NULL NULL NULL NULL 390 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 9.130 1 2020-10-07 05:07:37.917 91.300
XPTO0412 XPTO NULL NULL NULL NULL 412 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 11.500 1 2020-10-07 05:07:37.917 115.000
XPTO0428 XPTO NULL NULL NULL NULL 428 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 2.640 1 2020-10-07 05:07:37.917 26.400
XPTO0460 XPTO NULL NULL NULL NULL 460 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 5.690 1 2020-10-07 05:07:37.917 56.900
XPTO0515 XPTO NULL NULL NULL NULL 515 9999-12-31 00:00:00.000 2020-05-29 00:00:00.000 13.900 1 2020-10-07 05:07:37.917 139.000
PRODUCTCONFIG中的数据示例
CIDPRODUCTCONFIG CIDPRODUCT CIDPRODUCTMARKET CIDPRODUCTBUSINESS CIDPRODUCTLINE CIDPRODUCTGROUP CIDPRODUCTSUBGROUP CIDREGION CIDBRANCH CIDTEAM CIDTERRITORY LACTIVE LFLAG DLASTUPDATE CUSER CTPDCA
5840992036 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2036 1 NULL 2020-10-07 00:49:15.837 2036 1
5840992037 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2037 1 NULL 2020-10-07 00:49:15.837 2037 1
5840992038 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2038 1 NULL 2020-10-07 00:49:15.837 2038 1
5840992039 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2039 1 NULL 2020-10-07 00:49:15.837 2039 1
5840992040 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2040 1 NULL 2020-10-07 00:49:15.837 2040 1
5840992041 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2041 1 NULL 2020-10-07 00:49:15.837 2041 1
5840992042 584099 XPTO XPTO XPTO ACM FFK NULL 1402 NULL 2042 1 NULL 2020-10-07 00:18:20.783 2042 1
5840992044 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2044 1 NULL 2020-10-07 00:49:15.837 2044 1
5840992045 584099 XPTO XPTO XPTO ACM FFK NULL 1685 NULL 2045 1 NULL 2020-10-07 00:49:15.837 2045 1
5840992048 584099 XPTO XPTO XPTO ACM FFK NULL 1686 NULL 2048 1 NULL 2020-10-07 00:50:20.223 2048 1
或
会降低性能。典型的解决方法是多个左连接
。也许:
我很难确定谁来修复这个简单的连接
SELECT A.CUSER,
COUNT(*) AS QTD
FROM BO_PRODUCTCONFIG A WITH (NOLOCK)
INNER JOIN BO_PRICER001 B WITH (NOLOCK)
ON (
A.CIDBRANCH = B.CIDBRANCH
OR B.CIDBRANCH IS NULL
)
AND (
A.CIDPRODUCT = B.CIDPRODUCT
OR B.CIDPRODUCT IS NULL
)
SELECT pc.CUSER,
COUNT(*) AS QTD
FROM BO_PRODUCTCONFIG pc LEFT JOIN
BO_PRICER001 prbp
ON pc.CIDBRANCH = prbp.CIDBRANCH AND
pc.CIDPRODUCT = prbp.CIDPRODUCT LEFT JOIN
BO_PRICER001 prb
ON pc.CIDBRANCH = prb.CIDBRANCH AND
prbp.CIDPRODUCT IS NULL LEFT JOIN
BO_PRICER001 prp
ON prp.CIDBRANCH IS NULL AND
prp.CIDPRODUCT = pc.CIDPRODUCT LEFT JOIN
BO_PRICER001 pr
ON prp.CIDBRANCH IS NULL AND
prp.CIDPRODUCT IS NULL
WHERE prbp.CIDBRANCH is not null OR prb.CIDBRANCH is not null OR pr.CIDPRODUCT is not null or pr.<some other column> is not null;
选择pc.CUSER,
将(*)计为QTD
从BO_PRODUCTCONFIG pc左连接
BO_价格001 prbp
在pc.CIDBRANCH=prbp.CIDBRANCH和
pc.CIDPRODUCT=prbp.CIDPRODUCT左连接
BO_价格001 prb
在pc.CIDBRANCH=prb.CIDBRANCH和
prbp.CIDPRODUCT为空左连接
BO_价格001 prp
在prp.CIDBRANCH上为NULL,并且
prp.CIDPRODUCT=pc.CIDPRODUCT左连接
博乌价格001 pr
在prp.CIDBRANCH上为NULL,并且
prp.CIDPRODUCT为空
其中prbp.CIDBRANCH不为空或prb.CIDBRANCH不为空或pr.CIDPRODUCT不为空或pr.不为空;
请提供示例数据、所需结果以及逻辑功能的说明。