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https://issues.apache.org/jira/browse/HIVE-6850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13962417#comment-13962417
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Harish Butani commented on HIVE-6850:
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+1 lgtm
+1 for 0.13
> For FetchOperator, Driver uses the valid transaction list from the previous
> query
> ---------------------------------------------------------------------------------
>
> Key: HIVE-6850
> URL: https://issues.apache.org/jira/browse/HIVE-6850
> Project: Hive
> Issue Type: Bug
> Components: Clients
> Reporter: Alan Gates
> Assignee: Owen O'Malley
> Priority: Blocker
> Fix For: 0.13.0
>
> Attachments: HIVE-6850.patch
>
>
> The problem is two fold:
> * FetchTask.initialize, which is called during parsing of the query, converts
> the HiveConf it is given into a JobConf by copying it.
> * Driver.recordValidTxns, which runs after parsing, adds the valid
> transactions to the HiveConf.
> Thus fetch operators will use the transactions from the previous command.
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