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https://issues.jboss.org/browse/TEIID-4459?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-4459.
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Resolution: Done
Added the initial work that is hint driven or requires the use of the system property
subqueryUnnestDefault=true. The odata logic was updated to automatically add the hint.
Convert project semi-joins to (dependent) join queries
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Key: TEIID-4459
URL:
https://issues.jboss.org/browse/TEIID-4459
Project: Teiid
Issue Type: Quality Risk
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 9.1
In many situations subqueries in the where clause can be planned as semi-joins. The same
logic should be updated to handle the select clause.
This will also help ensure better performance with odata generated array_agg queries.
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