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https://issues.apache.org/jira/browse/LENS-1457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on LENS-1457 started by Rajat Khandelwal.
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> ExpressionResolver pruning expression when some tables don't have ref columns 
> of the expressions
> ------------------------------------------------------------------------------------------------
>
>                 Key: LENS-1457
>                 URL: https://issues.apache.org/jira/browse/LENS-1457
>             Project: Apache Lens
>          Issue Type: Bug
>          Components: cube
>            Reporter: Rajat Khandelwal
>            Assignee: Rajat Khandelwal
>
> In an expression {{f(a,b)}} where {{a}} and {{b}} are ref dim attributes 
> themselves. If a or b are not directly available in a fact and the chain 
> source columns are also not available, this expression is marked as 
> unanswerable from all facts. 



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