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From "Adesh Kumar Rao (Jira)" <j...@apache.org>
Subject [jira] [Work started] (HIVE-22015) [CachedStore] Cache table constraints in CachedStore
Date Mon, 15 Jun 2020 09:48:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HIVE-22015 started by Adesh Kumar Rao.
----------------------------------------------
> [CachedStore] Cache 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
>
> 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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