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Posted to issues-all@impala.apache.org by "Michael Smith (Jira)" <ji...@apache.org> on 2022/11/16 16:09:00 UTC

[jira] (IMPALA-9487) SHOW and DESCRIBE statements should display EC policies

    [ https://issues.apache.org/jira/browse/IMPALA-9487 ]


    Michael Smith deleted comment on IMPALA-9487:
    ---------------------------------------

was (Author: JIRAUSER288956):
It might also be useful to surface erasure coded partitions in query profiles and explain plans.

> SHOW and DESCRIBE statements should display EC policies
> -------------------------------------------------------
>
>                 Key: IMPALA-9487
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9487
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Frontend
>            Reporter: Sahil Takiar
>            Assignee: Michael Smith
>            Priority: Major
>              Labels: observability
>
> Since EC policies can be set per-file, the {{show files}} command should display if a file is an EC file, and what the EC policy is.
> EC policies can be set on a table level directory, so it would be useful if 'describe extended [table-name]' indicated if the table had an EC policy set or not.
> For partitioned tables, {{show partitions}} should list out the EC policy of each partition directory (we already do something similar for HDFS cacheing).



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