[teiid-issues] [JBoss JIRA] (TEIID-5477) Incorrect results with lead/lag over windows with duplicates
Johnathon Lee (JIRA)
issues at jboss.org
Thu Sep 20 15:04:00 EDT 2018
[ https://issues.jboss.org/browse/TEIID-5477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Johnathon Lee updated TEIID-5477:
---------------------------------
Fix Version/s: 8.12.16.6_4
> Incorrect results with lead/lag over windows with duplicates
> ------------------------------------------------------------
>
> Key: TEIID-5477
> URL: https://issues.jboss.org/browse/TEIID-5477
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 11.2, 11.1.1, 11.0.3, 10.3.5, 8.12.16.6_4
>
>
> LEAD/LAG should be computed as row values functions, rather than over a range.
> for example:
> select e1, lead(e1, 2) over (order by e1 nulls last) from pm1.g1
> returns three rows of ('a', 'c') - rather than the expected ('a', 'a'), ('a', 'b'), ('a', 'c')
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