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Posted to issues-all@impala.apache.org by "Yongzhi Chen (Jira)" <ji...@apache.org> on 2019/08/28 17:58:00 UTC

[jira] [Updated] (IMPALA-8839) Impala writing data to tables should not lead to incorrect results in Hive

     [ https://issues.apache.org/jira/browse/IMPALA-8839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yongzhi Chen updated IMPALA-8839:
---------------------------------
    Fix Version/s:     (was: Impala 3.4.0)
                   Impala 3.3.0

> Impala writing data to tables should not lead to incorrect results in Hive
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-8839
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8839
>             Project: IMPALA
>          Issue Type: Bug
>    Affects Versions: Impala 3.3.0
>            Reporter: Yongzhi Chen
>            Assignee: Yongzhi Chen
>            Priority: Critical
>             Fix For: Impala 3.3.0
>
>
> This include partitioned/unpartitioned tables:
> The proposed solution for this issue is that when Impala writes data to an unpartitioned table, it should update 'COLUMN_STATS_ACCURATE' json structure in table properties by removing its 'COLUMN_STATS' nested field (this will end up in TABLE_PARAMS table in HMS).
> The proposed solution for this issue is that when Impala writes data to a partitioned table, it should update 'COLUMN_STATS_ACCURATE' json structure by removing its 'COLUMN_STATS' nested field in the properties of the partitions where data was inserted (PARTITION_PARAMS table in HMS).



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