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https://issues.apache.org/jira/browse/HIVE-29275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Rebele reassigned HIVE-29275:
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Assignee: Thomas Rebele
> Stats autogather calculates the min statistic incorrectly
> ---------------------------------------------------------
>
> Key: HIVE-29275
> URL: https://issues.apache.org/jira/browse/HIVE-29275
> Project: Hive
> Issue Type: Bug
> Affects Versions: 4.1.0, 4.0.1
> Reporter: Thomas Rebele
> Assignee: Thomas Rebele
> Priority: Major
> Labels: hive-4.2.0-candidate
>
> In stats_histogram.q autogather gets enabled and then rows are inserted into
> a newly created table. The minimum value for column e is
> [-123.2|https://github.com/apache/hive/blob/55d9ab7d6b00fa510be791b9de55974f61c90519/ql/src/test/queries/clientpositive/stats_histogram.q#L20].
> However, {{DESCRIBE FORMATTED test_stats e}} shows
> [-10.2|https://github.com/apache/hive/blob/55d9ab7d6b00fa510be791b9de55974f61c90519/ql/src/test/results/clientpositive/llap/stats_histogram.q.out#L364]
> as the minimum value.
> When executing {{ANALYZE TABLE test_stats COMPUTE STATISTICS FOR COLUMNS;}}
> before the {{DESCRIBE FORMATTED test_stats e}} command, the [min value is
> -123.2|https://github.com/thomasrebele/hive/commit/2be9bef2851028678fa6752f7482080b3d201a51#diff-436ceeced7ea88c3ad4d931cfbf3d09feb838eef368a74ca8106d378209b1209L262-L364]
> as expected.
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