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https://issues.apache.org/jira/browse/SPARK-26764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-26764:
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Affects Version/s: (was: 2.4.0)
3.0.0
> [SPIP] Spark Relational Cache
> -----------------------------
>
> Key: SPARK-26764
> URL: https://issues.apache.org/jira/browse/SPARK-26764
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Adrian Wang
> Priority: Major
> Attachments: Relational+Cache+SPIP.pdf
>
>
> In modern database systems, relational cache is a common technology to boost
> ad-hoc queries. While Spark provides cache natively, Spark SQL should be able
> to utilize the relationship between relations to boost all possible queries.
> In this SPIP, we will make Spark be able to utilize all defined cached
> relations if possible, without explicit substitution in user query, as well
> as keep some user defined cache available in different sessions. Materialized
> views in many database systems provide similar function.
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