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https://issues.apache.org/jira/browse/HIVE-16177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman updated HIVE-16177:
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Attachment: HIVE-16177.01.patch
> non Acid to acid conversion doesn't handle _copy_N files
> --------------------------------------------------------
>
> Key: HIVE-16177
> URL: https://issues.apache.org/jira/browse/HIVE-16177
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Eugene Koifman
> Priority: Critical
> Attachments: HIVE-16177.01.patch
>
>
> insert into T(a,b) values(1,2)
> insert into T(a,b) values(1,3)
> //we should now have bucket files 000001_0 and 000001_0_copy_1
> but OrcRawRecordMerger.OriginalReaderPair.next() doesn't know that there can
> be copy_N files and numbers rows in each bucket from 0 thus generating
> duplicate IDs
> [~owen.omalley], do you have any thoughts on a good way to handle this?
> attached patch has a few changes to make Acid even recognize copy_N but this
> is just a pre-requisite. The new UT demonstrates the issue.
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