[teiid-issues] [JBoss JIRA] Created: (TEIID-541) Implement a partitioned merge join
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Fri May 1 14:23:46 EDT 2009
Implement a partitioned merge join
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Key: TEIID-541
URL: https://jira.jboss.org/jira/browse/TEIID-541
Project: Teiid
Issue Type: Feature Request
Components: Query Engine
Affects Versions: 6.0.0
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 6.1.0
To obviate the need for a hash join, we should have a scalable partitioned merge join. The smaller of the two join sides will be sorted and it's batch bounds used to partition the larger side rather than performing a full sort.
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