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https://issues.jboss.org/browse/TEIID-5016?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-5016.
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Resolution: Done
Updated the logic to perform tree manipulations prior to join planning that are more
conducive to our optimizations. We may need to consider putting in checks for the
preserve hint, but for now that was left out as these are narrow changes to the join
structure.
Exploit left outer join associativity prior to join planning
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Key: TEIID-5016
URL:
https://issues.jboss.org/browse/TEIID-5016
Project: Teiid
Issue Type: Enhancement
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 10.0
Building upon TEIID-3652 there are circumstances where nested left outer joins can have
be converted to an inner join prior to join planning. They can be converted back to a
left outer join by TEIID-3652 if needed for pushdown after join planning.
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