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https://issues.apache.org/jira/browse/IMPALA-14014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-14014.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> TABLESAMPLE of COMPUTE STATS has no effect on Iceberg tables
> ------------------------------------------------------------
>
> Key: IMPALA-14014
> URL: https://issues.apache.org/jira/browse/IMPALA-14014
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Critical
> Labels: impala-iceberg
> Fix For: Impala 5.0.0
>
>
> TABLESAMPLE of COMPUTE STATS has no effect on Iceberg tables.
> E.g. COMPUTE STATS t TABLESAMPLE SYSTEM system(10); scans the whole table to
> calculate statistics, whereas it should only use ~10% of the data.
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