[teiid-issues] [JBoss JIRA] (TEIID-3011) rewrite skipped
Steven Hawkins (JIRA)
issues at jboss.org
Tue Jun 17 13:23:24 EDT 2014
[ https://issues.jboss.org/browse/TEIID-3011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-3011.
-----------------------------------
Resolution: Done
Made the check more complete in the rewriter about when to skip.
> rewrite skipped
> ---------------
>
> Key: TEIID-3011
> URL: https://issues.jboss.org/browse/TEIID-3011
> Project: Teiid
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: Query Engine
> Affects Versions: 7.7
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 8.7.1, 8.7
>
>
> The rewrite of a set predicate is being bypassed when all of the in values are constants, but when pushed through a view with a convert on the left expression there is still optimizations that can be performed.
> For example:
> select * from (select e1, e2 from pm1.g1 union all select convert(e2, string), e2 from pm1.g2) x where e1 in ('1', '2')
> such that e1 is string and e2 is integer, we expect that the second branch will have criteria of the form "e2 in (1, 2)" - with no conversion.
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