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Question : Problem with update query
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I am trying to use an update query to populate a table. The query below works and results in 3 rows of data. When I put this into an update query it says 0 rows affected and I can't figure out why.
This query alone works:
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select DATEADD(hour,DATEDIFF(hour,GETUTCDATE(),getdate()),datetime) as CST,
case when (availability*100)/100 = 1 then 'Up.gif' else 'Down.gif' end StatusLED,
Target as Target, responsetime, case when responsetime > 6.2 then 'Down.gif' else 'Up.gif' end RTLED
FROM OPENROWSET('SQLOLEDB','1xx.1xx.1xx.2xx';'username';'password',
'SELECT TOP 100 PERCENT DATETIME, PROBENAME, CUSTOMER, TARGET, AVAILABILITY, RESPONSETIME
FROM dbo.IOPS_DETAIL_DATA
WHERE (TARGET like ''CVS%'') AND (DATETIME BETWEEN DATEADD(mi, - 6, GETDATE()) AND GETDATE())
ORDER BY AVAILABILITY, DATETIME DESC, TARGET')
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When I put it into this Update Query I get (0 row(s) affected)
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update ovis1
set cst = t.cst,
statusled = t.statusled,
Target = t.Target,
ResponseTime=t.ResponseTime,
RtLED = t.RTLed
from
(select DATEADD(hour,DATEDIFF(hour,GETUTCDATE(),getdate()),datetime) as CST,
case when (availability*100)/100 = 1 then 'Up.gif' else 'Down.gif' end StatusLED,
Target as Target, responsetime, case when responsetime > 6.2 then 'Down.gif' else 'Up.gif' end RTLED
FROM OPENROWSET('SQLOLEDB','1xx.1xx.1xx.2xx';'username';'password',
'SELECT TOP 100 PERCENT DATETIME, PROBENAME, CUSTOMER, TARGET, AVAILABILITY, RESPONSETIME
FROM dbo.IOPS_DETAIL_DATA
WHERE (TARGET like ''CVS%'') AND (DATETIME BETWEEN DATEADD(mi, - 6, GETDATE()) AND GETDATE())
ORDER BY AVAILABILITY, DATETIME DESC, TARGET'))t
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What am I overlooking here?
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Answer : Problem with update query
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>> This query alone works and provides the following data:
Yes.. if you see your earlier query this result set is not joined to your ovis1 table..
And missed the update query in my earlier post.
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update ovis1
set cst = t.cst,
statusled = t.statusled,
Target = t.Target,
ResponseTime=t.ResponseTime,
RtLED = t.RTLed
from ovis1 inner join
(select DATEADD(hour,DATEDIFF(hour,GETUTCDATE(),getdate()),datetime) as CST,
case when (availability*100)/100 = 1 then 'Up.gif' else 'Down.gif' end StatusLED,
Target as Target, responsetime, case when responsetime > 6.2 then 'Down.gif' else 'Up.gif' end RTLED
FROM OPENROWSET('SQLOLEDB','1xx.1xx.1xx.2xx';'username';'password',
'SELECT TOP 100 PERCENT DATETIME, PROBENAME, CUSTOMER, TARGET, AVAILABILITY, RESPONSETIME
FROM dbo.IOPS_DETAIL_DATA
WHERE (TARGET like ''CVS%'') AND (DATETIME BETWEEN DATEADD(mi, - 6, GETDATE()) AND GETDATE())
ORDER BY AVAILABILITY, DATETIME DESC, TARGET'))t on ovis1.pk = t.pk
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