[jira] [Resolved] (IMPALA-10935) Impala crashes on old Iceberg table property in some cases

["Zoltán Borók-Nagy (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-10935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltán Borók-Nagy resolved IMPALA-10935.
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    Fix Version/s: Impala 4.1.0
       Resolution: Fixed

> Impala crashes on old Iceberg table property in some cases
> ----------------------------------------------------------
>
>                 Key: IMPALA-10935
>                 URL: https://issues.apache.org/jira/browse/IMPALA-10935
>             Project: IMPALA
>          Issue Type: Bug
>            Reporter: Zoltán Borók-Nagy
>            Assignee: Zoltán Borók-Nagy
>            Priority: Major
>             Fix For: Impala 4.1.0
>
>
> Impala crashes when the following conditions are true:
> * local catalog mode is being used
> * Iceberg table is being queried
> * 'iceberg.file_format' is set instead of 'write.format.default' table property
> * the file format is ORC
> * Query is select count(*) from t;
> When the above conditions met Impala wrongly assumes that PARQUET is being used and tries to apply the count star optimization. It is not implemented for the ORC scanner and causes it to crash.



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