[JBoss JIRA] Resolved: (TEIID-339) Push down aggragate and distinct through union
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[
https://jira.jboss.org/jira/browse/TEIID-339?page=com.atlassian.jira.plug...
]
Steven Hawkins resolved TEIID-339.
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Resolution: Done
The pushing of distinct (union) is handled in RuleCollapseSource. RulePushAggregates was
expanded to cover decomposing over aggregates using nested inline view queries. See
TestAggregatePushdown and TestAggregateProcessing
Push down aggragate and distinct through union
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Key: TEIID-339
URL: https://jira.jboss.org/jira/browse/TEIID-339
Project: Teiid
Issue Type: Task
Components: Query Engine
Affects Versions: 6.0.0
Reporter: Li Liang
Assignee: Steven Hawkins
Fix For: 6.2.0
Original Estimate: 2 days
Remaining Estimate: 2 days
This is related to case 6652 and case 6653. It improves performance to push down
aggragate and distinct through union. If this is done before 5.5.3 release, we will
consider pulling the logics back to 5.5.3.
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Steven Hawkins (JIRA)