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POSQL Server checking for non-equivalent column/rows with grouping
 

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  1. POSQL Server checking for non-equivalent column/rows with grouping
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    <p>I would like to process some data in SQL SERVER, do a little QA and get the 'answer' at the same time.</p> <p>The table represents a test and if the test did not give a 100% match, it was run in duplicate. </p> <p>In this table the following codes are applicable and they are in ascending order of priority: 1) -99 test was skipped 2) 00 test was not 100% match 3) Anything > 00 is 100% match (e.g. 01, 02, 01-01 etc) </p> <p>So a couple of things I need to do.</p> <p>First, for each SampleID I need to pick out where 01 > 00 > -99 Second, I need to know if any test had 100% match (e.g. #3) and the tests disagree. An example of this is 11-0010-P1 (below) where Run2=01 and Run3=02 </p> <p>I kinda got the first part with the following code, but I cannot get the MAXIMUM of the ROWNUMBER() part of the query.</p> <p>I am really stuck on the second part.</p> <p>All help would be appreciated ! </p> <pre><code> DECLARE @TempTable TABLE (SampleID varchar(10), TestRun int, TestResult varchar(max)) INSERT INTO @TempTable VALUES('11-0003-P1', 1,'-99') INSERT INTO @TempTable VALUES('11-0004-P1', 1, '00') INSERT INTO @TempTable VALUES('11-0005-P1', 1, '01') INSERT INTO @TempTable VALUES('11-0007-P1', 1,'-99') INSERT INTO @TempTable VALUES('11-0007-P1', 2, '00') INSERT INTO @TempTable VALUES('11-0007-P1', 3, '00') INSERT INTO @TempTable VALUES('11-0008-P1', 1,'-99') INSERT INTO @TempTable VALUES('11-0008-P1', 2, '02') INSERT INTO @TempTable VALUES('11-0008-P1', 3, '02') INSERT INTO @TempTable VALUES('11-0009-P1', 1, '00') INSERT INTO @TempTable VALUES('11-0009-P1', 2, '07') INSERT INTO @TempTable VALUES('11-0009-P1', 3, '07') INSERT INTO @TempTable VALUES('11-0010-P1', 1, '00') INSERT INTO @TempTable VALUES('11-0010-P1', 2, '01') INSERT INTO @TempTable VALUES('11-0010-P1', 3, '02') SELECT SampleID, TestRun, TestResult, ROW_NUMBER() OVER (PARTITION BY SampleID ORDER BY CASE TestResult WHEN '-99' THEN 1 WHEN '00' THEN 2 ELSE 3 END ) AS RowNumber FROM @TempTable ORDER BY SampleID, TestRun </code></pre> <p>The results should be like this:</p> <pre><code> SampleID TestResult 11-0003-P1 -99 11-0004-P1 00 11-0005-P1 01 11-0007-P1 00 11-0008-P1 02 11-0009-P1 07 11-0010-P1 Err 01:02 </code></pre> <p>**it would ideal to actually give the conflicting values (e.g. 01:02 for 11-0010-P1) but not totally necessary, the Err flag would be OK.</p>
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    1. USuser918967
    1. USuser918967
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      1. VTUpMod
    1. CO+1 . . . By the way, this is a good question. You provide sample data and a script to test!
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      1. USGordon Linoff
 

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