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https://issues.apache.org/jira/browse/HIVE-22015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sankar Hariappan resolved HIVE-22015.
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Fix Version/s: 4.0.0
Resolution: Fixed
Merged to master.
Thanks [~adeshrao] for the patch!
> [CachedStore] Add table constraints in CachedStore
> --------------------------------------------------
>
> Key: HIVE-22015
> URL: https://issues.apache.org/jira/browse/HIVE-22015
> Project: Hive
> Issue Type: Sub-task
> Reporter: Daniel Dai
> Assignee: Adesh Kumar Rao
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Currently table constraints are not cached. Hive will pull all constraints
> from tables involved in query, which results multiple db reads (including
> get_primary_keys, get_foreign_keys, get_unique_constraints, etc). The effort
> to cache this is small as it's just another table component.
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