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https://issues.apache.org/jira/browse/IMPALA-9420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17254221#comment-17254221
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Joe McDonnell commented on IMPALA-9420:
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I ran the query_test/test_scanners.py::TestOrc multiple times without issue. I
think this was fixed by IMPALA-9702, so I'm going to mark is as resolved.
> test_scanners.TestOrc.test_type conversions fails after first run
> -----------------------------------------------------------------
>
> Key: IMPALA-9420
> URL: https://issues.apache.org/jira/browse/IMPALA-9420
> Project: IMPALA
> Issue Type: Bug
> Components: Infrastructure
> Reporter: Norbert Luksa
> Priority: Major
> Labels: orc, ramp-up
>
> The mentioned test passes on the first run, but fails later on, finding more
> rows than expected.
> By running
> {code:java}
> hdfs dfs -ls -R / | grep union_comlextypes
> {code}
> we can find that the previously created files are not cleaned up, so Impala
> will find and scan them.
> The problem could be that the union_complextypes and ill_complextypes tables
> are created as externals.
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