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Change a field value within Update Select

Posted on 2008-06-17
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Last Modified: 2012-08-13
I'm wondering if I can combine the following two queries to run as one query.  The first query is an Insert/select:  The second query is an update based on one of the fields being inserted.  The field is StatusCode.  It gets inserted with an initial value of 1 but then it needs to be changed based on the values of some other fields in the query.  Is it possible to do this all in one query?  

----- 1st query

insert into FileOne
    (CNumber,
    ID,
    DCode,
    PCode,
    b.Indicator,
    b.Discount,
    StatusCode)
SELECT
    cast(a.CNumber as char (5)),
    cast(a.ID as varchar (16)),
    cast(a.DCode as varchar (5)),
    b.PCode,
    b.Indicator,
    b.Discount,
    1
FROM PFILE a
    INNER JOIN TFile b
        ON a.ID = b.ID
WHERE SUBSTRING(b.CNumber,1,1)<>'S'

---- 2nd query

UPDATE FileOne
SET StatusCode = 0
WHERE
 (indicator = 0
OR Pcode <> 'D'
OR Dcode <>'C'
OR discount = 1)
0
Comment
Question by:dkcoop03
3 Comments
 
LVL 60

Expert Comment

by:chapmandew
ID: 21805737
No, you cannot.  In 2008, a MERGE statement can do something similar to what you're doing, but for right now you have to use seperate statements....INSERT and UPDATE are distinct operations.
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LVL 13

Accepted Solution

by:
rickchild earned 1000 total points
ID: 21806293
Try this:
insert into FileOne
    (CNumber,
    ID,
    DCode,
    PCode,
    b.Indicator,
    b.Discount,
    StatusCode) 
SELECT
    cast(a.CNumber as char (5)),
    cast(a.ID as varchar (16)),
    cast(a.DCode as varchar (5)),
    b.PCode,
    b.Indicator,
    b.Discount,
    CASE
        WHEN (b.indicator = 0 OR b.Pcode <> 'D' OR cast(a.Dcode as varchar(5)) <>'C' OR discount = 1) THEN 0
    ELSE 1
    END as StatusCode
FROM PFILE a
    INNER JOIN TFile b
        ON a.ID = b.ID
WHERE SUBSTRING(b.CNumber,1,1)<>'S'

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Author Closing Comment

by:dkcoop03
ID: 31468072
Thanks, that works great!
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