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https://issues.apache.org/jira/browse/LENS-711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on LENS-711 started by Amareshwari Sriramadasu.
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> Allow chain ref columns to have multiple chain destinations
> -----------------------------------------------------------
>
> Key: LENS-711
> URL: https://issues.apache.org/jira/browse/LENS-711
> Project: Apache Lens
> Issue Type: Improvement
> Components: cube
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 2.3
>
>
> Right now, we allow ReferenceDimAttribute to be a chain ref column which
> specifies chain_name, and ref_col from the chain. This improvement proposed
> is to allow different chain_name, ref_col pair to be accepted.
> Usecase :
> We have multiple time dimension tables : say HourDim, DayDim and MonthDim.
> All of them have timestamp as field which can be mapped to a time field on
> cube. So, there will be three different chains associated with this reference
> attribute and optionally the referring column can be different as well.
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