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https://issues.apache.org/jira/browse/IMPALA-6812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488124#comment-16488124
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Thomas Tauber-Marshall commented on IMPALA-6812:
------------------------------------------------
In addition to test_column_storage_attributes, we've seen behavior like this in
IMPALA-7036 and IMPALA-6922
> Kudu scans not returning all rows
> ---------------------------------
>
> Key: IMPALA-6812
> URL: https://issues.apache.org/jira/browse/IMPALA-6812
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 3.0, Impala 2.13.0
> Reporter: Tianyi Wang
> Assignee: Thomas Tauber-Marshall
> Priority: Critical
> Labels: broken-build
>
> In a 2.x exhaustive build, test_column_storage_attributes failed:
> {noformat}
> Error Message
> query_test/test_kudu.py:383: in test_column_storage_attributes assert
> cursor.fetchall() == \ E assert [] == [(26, True, 0, 0, 0, 0, ...)] E
> Right contains more items, first extra item: (26, True, 0, 0, 0, 0, ...) E
> Use -v to get the full diff
> Stacktrace
> query_test/test_kudu.py:383: in test_column_storage_attributes
> assert cursor.fetchall() == \
> E assert [] == [(26, True, 0, 0, 0, 0, ...)]
> E Right contains more items, first extra item: (26, True, 0, 0, 0, 0, ...)
> E Use -v to get the full diff
> {noformat}
> The last alter column query in the log is:
> {noformat}
> alter table test_column_storage_attributes_b9040aa.storage_attrs alter
> column decimal_col
> set encoding DICT_ENCODING compression NO_COMPRESSION
> {noformat}
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