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https://issues.apache.org/jira/browse/LENS-710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raju Bairishetti closed LENS-710.
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> Allow column name mapping for few/all columns in underlying storage tables
> --------------------------------------------------------------------------
>
> Key: LENS-710
> URL: https://issues.apache.org/jira/browse/LENS-710
> Project: Apache Lens
> Issue Type: Improvement
> Components: driver-jdbc
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 2.4
>
> Attachments: LENS-710.2.patch
>
>
> This improvement proposed is to accept column mapping for few or all columns
> in underlying storage tables - which allows column to be different in
> underlying storage than column in fact/dimtable
> For example:
> Fact1 has col1
> S1_Fact1 has col1
> S2_Fact2 has col1_variant
> S2_Fact2 can have column mapping property specified as col1:col1_variant. If
> S2_Fact2 becomes the eligible storage table, then query should be written
> with col1_variant if col1 is queried.
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