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https://issues.jboss.org/browse/TEIID-3482?page=com.atlassian.jira.plugin...
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Steven Hawkins commented on TEIID-3482:
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I wanted to log this, but it likely won't get worked as we can't really do this
unless we also project the source name column through all parts of the plan For
consistency the resolution here will likely be to turn the implicit option off and require
the modeling to explicitly specify the partitioning predicates. We can also introduce an
explicit multi-tenancy mode such that a given user will only have access to a specific
source or sources (this can be accomplished with row based conditions, but may benefit
from something simpler in the context of multi-source).
Multi-source joins should still be partitioned even if not fully
pushed
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Key: TEIID-3482
URL:
https://issues.jboss.org/browse/TEIID-3482
Project: Teiid
Issue Type: Quality Risk
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 8.11
A deficiency in join planning with multi-source is that partitioning only occurs if the
join is pushed. If not pushed then we'll union the results and process a join across
all of the results.
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