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https://issues.apache.org/jira/browse/HIVE-19135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16459735#comment-16459735
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Alan Gates commented on HIVE-19135:
-----------------------------------
{quote}However, I thought that connection/statement close would automatically
rollback the txn.
{quote}
I thought so too, but at least in Derby my tests showed otherwise. I got
deadlocks when I didn't explicitly rollback.
> Need tool to allow admins to create catalogs and move existing dbs to catalog
> during upgrade
> --------------------------------------------------------------------------------------------
>
> Key: HIVE-19135
> URL: https://issues.apache.org/jira/browse/HIVE-19135
> Project: Hive
> Issue Type: Sub-task
> Components: Metastore
> Affects Versions: 3.0.0
> Reporter: Alan Gates
> Assignee: Alan Gates
> Priority: Blocker
> Fix For: 3.1.0
>
> Attachments: HIVE-19135.2.patch, HIVE-19135.3.patch,
> HIVE-19135.4.patch, HIVE19135.patch
>
>
> As part of upgrading to Hive 3 admins may wish to create new catalogs and
> move some existing databases into those catalogs. We can do this by adding
> options to schematool. This guarantees that only admins can do these
> operations.
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