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Posted to issues-all@impala.apache.org by "Yongzhi Chen (Jira)" <ji...@apache.org> on 2019/08/28 17:55:00 UTC
[jira] [Resolved] (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 resolved IMPALA-8839.
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Fix Version/s: Impala 3.4.0
Resolution: Fixed
> 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 3.4.0
>
>
> 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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