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https://issues.apache.org/jira/browse/IMPALA-10816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403956#comment-17403956
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Csaba Ringhofer commented on IMPALA-10816:
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I checked where does this error comes from:
The logic was changed in thrift 0.10.0, so we should only see this issue with
older thrift libs:
https://github.com/apache/thrift/commit/7b545b57200ab960894e873716862cafbf9321f0#diff-f5a52e1b6fad208726ee4704fcd4afb66845ae1a8d0eb664cffe76636a3e244d
> 'NoneType' object is not iterable exception when query returns more than
> 10.000 rows
> ------------------------------------------------------------------------------------
>
> Key: IMPALA-10816
> URL: https://issues.apache.org/jira/browse/IMPALA-10816
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 4.0.0
> Reporter: Alexandra Dunai
> Priority: Critical
>
> Impala-shell returns 'NoneType' object is not iterable exception when query
> returns more than 10.000 rows.
> Steps to reproduce:
> 1. Enter impala-shell (or you can run query from a file as well)
> 2. Run a query that returns more than 10.000 rows (e.g. 10.001 rows)
> Expected result:
> Impala-shell returns all rows that were queried.
> Actual result:
> Impala-shell throws exception for 'NoneType' object is not iterable and then
> disconnects. You can only continue using impala-shell if you reconnect to it.
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