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https://issues.apache.org/jira/browse/IMPALA-12990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Csaba Ringhofer resolved IMPALA-12990.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> impala-shell broken if Iceberg delete deletes 0 rows
> ----------------------------------------------------
>
> Key: IMPALA-12990
> URL: https://issues.apache.org/jira/browse/IMPALA-12990
> Project: IMPALA
> Issue Type: Bug
> Components: Clients
> Reporter: Csaba Ringhofer
> Assignee: Csaba Ringhofer
> Priority: Major
> Labels: iceberg
> Fix For: Impala 4.4.0
>
>
> Happens only with Python 3
> {code}
> impala-python3 shell/impala_shell.py
> create table icebergupdatet (i int, s string) stored as iceberg;
> alter table icebergupdatet set tblproperties("format-version"="2");
> delete from icebergupdatet where i=0;
> Unknown Exception : '>' not supported between instances of 'NoneType' and
> 'int'
> Traceback (most recent call last):
> File "shell/impala_shell.py", line 1428, in _execute_stmt
> if is_dml and num_rows == 0 and num_deleted_rows > 0:
> TypeError: '>' not supported between instances of 'NoneType' and 'int'
> {code}
> The same erros should also happen when the delete removes > 0 rows, but the
> impala server has an older version that doesn't set TDmlResult.rows_deleted
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