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https://issues.apache.org/jira/browse/HIVE-10483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eugene Koifman updated HIVE-10483:
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Summary: ACID: insert overwrite with self join deadlocks on itself with
DbTxnManager (was: ACID: insert overwrite with self join deadlocks on itself)
> ACID: insert overwrite with self join deadlocks on itself with DbTxnManager
> ---------------------------------------------------------------------------
>
> Key: HIVE-10483
> URL: https://issues.apache.org/jira/browse/HIVE-10483
> Project: Hive
> Issue Type: Bug
> Components: Query Planning, Query Processor, Transactions
> Affects Versions: 1.0.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
>
> insert overwrite ta partition(part=xxxx) select xxx from tb join ta where
> part=xxxx
> It seems like the Shared conflicts with the Exclusive lock for Insert
> Overwrite even though both are part of the same txn.
> More precisely insert overwrite requires X lock on partition and the read
> side needs an S lock on the query.
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