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https://issues.jboss.org/browse/TEIID-3205?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-3205.
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Resolution: Done
Added initial support based upon pushing to a direct descendant access node during the
last run of rule assign output elements (similar to the existing logic handling must
pushdown functions). This is not the same as a complete notion of partial projection
pushing - that would require quite a bit more code. However the current solution will
only work in simplistic scenarios and is not based upon a notion of cost (that is a
general rule would push projections based upon where the evaluation was least expensive).
Push down supported select expression even if other select
expressions are not supported by the source
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Key: TEIID-3205
URL:
https://issues.jboss.org/browse/TEIID-3205
Project: Teiid
Issue Type: Bug
Components: Query Engine
Affects Versions: 8.7
Reporter: Sanjeev Gour
Assignee: Steven Hawkins
Fix For: 8.10
If the source supports for example the searched case expression and does not support a
custom function, having both in the select caused searched case expression not to be
pushed. More details are here-
https://developer.jboss.org/message/909439#909439
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