Damien B created TEIID-4813:
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Summary: Basic support for joins in OData v2
Key: TEIID-4813
URL:
https://issues.jboss.org/browse/TEIID-4813
Project: Teiid
Issue Type: Bug
Components: OData
Reporter: Damien B
Assignee: Steven Hawkins
It's half a bug, half a feature request :-)
We deal with a perticular OData almost v2 server that uses system functions disguised as
entitities. Basically, "/A('b')/C" works but not "/C?$filter=foo eq
'b'". In order to have that, we've enabled the joins support on the
ODataTranslator, but we still haven't the right query generated. We've traced back
the origin to the optimizer:
* SELECT * FROM a join b ON a.x=b.y WHERE a.x='v'
* is optimized as SELECT <columns> FROM a join b ON a.x=b.y WHERE a.x='v'
AND b.y='v'
The extra induced condition "b.y = 'v'" messes up with the URL
construction. Any idea about how to proceed from there?
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