[email protected] wrote on 2014-06-05:
> Here's the code:
>
> CLEAR ALL
> CLOSE ALL
>
> CREATE CURSOR Test (ClaimID i, PCN i, Admit d, Disch d, Paid d, ProvNum
> c(9), ICN c(11))
>
> INSERT INTO Test VALUES (56, 6, DATE(2013,1,1), DATE(2013,1,11),
> DATE(2013,5,1), '9', 'A1')
> INSERT INTO Test VALUES (3, 6, DATE(2013,1,1), DATE(2013,1,11),
> DATE(2013,5,1), '9', 'A3')
> INSERT INTO Test VALUES (7, 6, DATE(2013,1,1), DATE(2013,1,11),
> DATE(2013,6,1), '9', 'A2') && we want this ClaimID
> INSERT INTO Test VALUES (90, 12, DATE(2014,2,1), DATE(2014,2,2),
> DATE(2014,7,1), '9', 'B1')
> INSERT INTO Test VALUES (81, 12, DATE(2014,3,1), DATE(2014,3,2),
> DATE(2014,8,1), '9', 'C1')
>
> A complete claim set is defined by the PCN, Admit, Disch, and ProvNum
> fields. So the first 3 records are of the same claim set. The 4th and
> 5th record are claimsets unto themselves. I want a query that grabs
> that ClaimID from the unique sets, so the output would be 3 for the A
> group, 90 for B group, and 81 for C group.
>
> I'm working on this now with my approach being a join onto itself ("FROM
> Test A1 INNER JOIN Test A2") and thinking I have to use a MAX of sorts
> or perhaps TOP 1 with ORDER BY PCN, Admit, Disch, ProvNum, ICN.
>
> Am I on the right track? btw...the data actually is in SQL Server, NOT
> FOX. I put this code together for quick testing.
>
> Thanks,
> --Mike
>
Mike,
I see this, however, it isn't supported in VFP:
SELECT ;
(select t1.claimid ;
FROM test t1 ;
WHERE t1.pcn = t2.pcn ;
AND t1.admit = t2.admit ;
AND t1.disch = t2.disch ;
ORDER BY ClaimId ;
TOP 1 ) as claimid ;
FROM ;
(Select pcn, admit, disch ;
FROM test GROUP BY 1,2,3 ) t2
Though this one does work:
SELECT ;
(select MIN(t1.claimid) ;
FROM test t1 ;
WHERE t1.pcn = t2.pcn ;
AND t1.admit = t2.admit ;
AND t1.disch = t2.disch ;
) as claimid, pcn, admit, disch ;
FROM ;
(Select pcn, admit, disch ;
FROM test GROUP BY 1,2,3 ) t2
Tracy Pearson
PowerChurch Software
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