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https://issues.apache.org/jira/browse/HIVE-10459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665627#comment-16665627
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Jesus Camacho Rodriguez commented on HIVE-10459:
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[~thai.bui], would you mind to send your question to mailing list and we can
continue discussion over there? Thanks
I am going to close this issue as initial work for implementing materialized
views support has been mostly completed. Documentation can be found in:
https://cwiki.apache.org/confluence/display/Hive/Materialized+views
> Add materialized views to Hive
> ------------------------------
>
> Key: HIVE-10459
> URL: https://issues.apache.org/jira/browse/HIVE-10459
> Project: Hive
> Issue Type: New Feature
> Components: Views
> Reporter: Alan Gates
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Fix For: 3.2.0
>
>
> Materialized views are useful as ways to store either alternate versions of
> data (e.g. same data, different sort order) or derivatives of data sets (e.g.
> commonly used aggregates). It is useful to store these as materialized views
> rather than as tables because it can give the optimizer the ability to
> understand how data sets are related.
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