[teiid-issues] [JBoss JIRA] (TEIID-5475) nth_value is incorrect for

[Steven Hawkins (JIRA)]

Steven Hawkins created TEIID-5475:
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             Summary: nth_value is incorrect for 
                 Key: TEIID-5475
                 URL: https://issues.jboss.org/browse/TEIID-5475
             Project: Teiid
          Issue Type: Bug
          Components: Query Engine
            Reporter: Steven Hawkins
            Assignee: Steven Hawkins
            Priority: Blocker
             Fix For: 11.2, 11.1.1


Nth_value is returning null when not expected.  For example:

select e1, nth_value(e1, 2) over (order by e1) from pm1.g1

with our default data set should return 'a' for each nth_value, but instead returns null for one of the 'a' rows.  The issue is that we should be considering the indexing to be relative from the start of the peer group in the frame rather than from the current index of the row.



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