[teiid-issues] [JBoss JIRA] Resolved: (TEIID-1338) Add transitive join conditions across sources
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https://issues.jboss.org/browse/TEIID-1338?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-1338.
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Resolution: Done
added additional handling in copy criteria to use join conditions from lower joins. this
allows for some interesting transitive relationships to be discovered and addresses the
case given in the description.
Add transitive join conditions across sources
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Key: TEIID-1338
URL: https://issues.jboss.org/browse/TEIID-1338
Project: Teiid
Issue Type: Feature Request
Components: Query Engine
Affects Versions: 7.1
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 7.3
A situation such as
from a, b, c where a.x = b.x and a.x = c.x
such that b and c are on a different source than a, it would be good to also use
transitive condition b.x = c.x.
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