Amareshwari Sriramadasu created LENS-711:
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Summary: 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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