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From "Lefty Leverenz (JIRA)" <>
Subject [jira] [Updated] (HIVE-14249) Add simple materialized views with manual rebuilds
Date Sun, 17 Jun 2018 04:38:00 GMT


Lefty Leverenz updated HIVE-14249:
    Labels: TODOC2.3  (was: TODOC2.2)

> Add simple materialized views with manual rebuilds
> --------------------------------------------------
>                 Key: HIVE-14249
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Materialized views, Parser
>            Reporter: Alan Gates
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>              Labels: TODOC2.3
>             Fix For: 2.3.0
>         Attachments: HIVE-10459.2.patch, HIVE-14249.05.patch, HIVE-14249.06.patch
> This patch is a start at implementing simple views. It doesn't have enough testing yet
(e.g. there's no negative testing). And I know it fails in the partitioned case. I suspect
things like security and locking don't work properly yet either. But I'm posting it as a starting
> In this initial patch I'm just handling simple materialized views with manual rebuilds.
In later JIRAs we can add features such as allowing the optimizer to rewrite queries to use
materialized views rather than tables named in the queries, giving the optimizer the ability
to determine when a materialized view is stale, etc.
> Also, I didn't rebase this patch against trunk after the migration from svn->git so
it may not apply cleanly.

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