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SUM of COUNT


SUM of COUNT

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nasy_mcs
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Hi, I want SUM of count of the number of records available in database for first WHEN in below query. For example if i have 2 records in database for first case(prd_cd='1') , 5 for second case(prd_cd='2') and 10 for third case(pr_cd='3') then I should get 17 as sum of count in diplay. Can someone help?

select CASE
WHEN prd_cd='1' or prd_cd='2' or pr_cd='3' THEN 'PROCESSED' <---- I am looking for this only
WHEN prd_cd='X' THEN ' NOT PROCESSED'
ELSE 'UNKNOWN' END AS "Key Check Points", count(*) as "Rules"
from Table 1 where date(crt_ts) = current date
group by prd_cd with ur ;


THanks!!
laurie-789651
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select CASE
WHEN prd_cd='1' or prd_cd='2' or pr_cd='3' THEN 'PROCESSED' <---- I am looking for this only
WHEN prd_cd='X' THEN ' NOT PROCESSED'
ELSE 'UNKNOWN' END AS "Key Check Points", count(*) as "Rules",
SUM(CASE WHEN prd_cd='1' or prd_cd='2' or pr_cd='3' THEN 1 ELSE 0 END) as YourCount
from Table 1 where date(crt_ts) = current date
group by prd_cd with ur ;
nasy_mcs
nasy_mcs
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Laurie, I am getting below error. Also I am looking for SUM of COUNT not SUM of fields.

104: SQL0104N An unexpected token "SUM" was found following "". Expected tokens may include: ", FROM INTO". SQLSTATE=42601
laurie-789651
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Can you post your real code?
ChrisM@Work
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It's a DB2 error, Laurie :-D

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laurie-789651
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Yes - I was wondering...
nasy_mcs
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Hi, can anyone help here?

Thanks!!
Jeff Moden
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nasy_mcs (1/4/2014)
Hi, can anyone help here?

Thanks!!


Add a WHERE clause that limits prd_cd to only those values that you test for in the CASE statements and see if that helps return the answer you're looking for.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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nasy_mcs
nasy_mcs
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Hi Jeff,

I have lot of WHEN condition in the query, I have provided two conditions only in my example.
Putting WHERE (prd_cd='1' or prd_cd='2' or pr_cd='3' ) will not be correct?

Thanks!!
Lowell
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here's my first guess on what you are after...some SUM(CASE statements to get your subtotals:


SELECT SUM(CASE
WHEN prd_cd='1' OR prd_cd='2' OR pr_cd='3'
THEN 1
ELSE 0
END) AS Processed,
SUM(CASE
WHEN prd_cd='X'
THEN 1
ELSE 0
END) AS NotProcessed,
SUM(CASE
WHEN prd_cd='1' OR prd_cd='2' OR pr_cd='3' or prd_cd='X'
THEN 0
ELSE 1
END) As UnKown,
COUNT(*) AS Rules
FROM [TABLE 1] WHERE CONVERT(date,crt_ts) = CONVERT(date,getdate())
GROUP BY prd_cd;




Lowell

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help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!

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