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https://issues.apache.org/jira/browse/LENS-404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated LENS-404:
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Attachment: LENS-404.3.patch
Patch after review
> Optimize getAll lookups and JoinChain lookups in CubeMetastoreClient
> --------------------------------------------------------------------
>
> Key: LENS-404
> URL: https://issues.apache.org/jira/browse/LENS-404
> Project: Apache Lens
> Issue Type: Improvement
> Components: cube
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 2.1
>
> Attachments: LENS-404.3.patch
>
>
> JoinChains are not tables.
> CubeQueryContext.extractMetaTables queries metastore for all table aliases
> accessed in the query. For actual tables, the tables will be cached in cube
> metastore client. For tables that are not there, it will still do a getTable
> call.
> We should optimize joinchain lookup on the client, not to lookup metastore
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