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https://issues.apache.org/jira/browse/SPARK-29038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16927309#comment-16927309
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Lantao Jin commented on SPARK-29038:
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Thank you [~jerryshao]. What next should I do? Wait for the end of review or 
send out a vote email to dev list now?

> SPIP: Support Spark Materialized View
> -------------------------------------
>
>                 Key: SPARK-29038
>                 URL: https://issues.apache.org/jira/browse/SPARK-29038
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Lantao Jin
>            Priority: Major
>
> Materialized view is an important approach in DBMS to cache data to 
> accelerate queries. By creating a materialized view through SQL, the data 
> that can be cached is very flexible, and needs to be configured arbitrarily 
> according to specific usage scenarios. The Materialization Manager 
> automatically updates the cache data according to changes in detail source 
> tables, simplifying user work. When user submit query, Spark optimizer 
> rewrites the execution plan based on the available materialized view to 
> determine the optimal execution plan.
> Details in [design 
> doc|https://docs.google.com/document/d/1q5pjSWoTNVc9zsAfbNzJ-guHyVwPsEroIEP8Cca179A/edit?usp=sharing]



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