wrong result with distinct independent values in a depedent join
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Key: TEIID-2560
URL:
https://issues.jboss.org/browse/TEIID-2560
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 7.7
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 8.4.1, 8.5
This should be a fairly uncommon scenario, but if given a query such as:
SELECT ... FROM pm1.g1, pm3.g2, /*+ makeind */ (select distinct e1, e2 from pm2.g1) x
WHERE x.e1=pm1.g1.e1 AND pm3.g2.e2=x.e2
such that the independent side of the join is seen as having distinct values and the
dependent sets are targeted at different sources, we will not correctly detect that the
values need pre-processed with dup removal.
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