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https://issues.apache.org/jira/browse/HIVE-18619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355885#comment-16355885
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Steve Yeom commented on HIVE-18619:
-----------------------------------

A possible test case scenario for this jira is:
1. Start a Session
2. CREATE TEMPORARY TABLE mm_tab in MM(Micro-managed).
3. INSERT INTO mm_tab  -- SUCCEEDED
4. INSERT INTO mm_tab -- FAILED and should leave the current statement's delta 
directory which should be recognized as aborted
5. SELECT FROM mm_tab -- Should only return the data at 3.
This simple test case may verify basic case for atomicity of operations on 
TEMPORARY MM table. 

The patch for writeId for Replication HIVE-18192 may will affect the behavior 
when checked in.

> Verification of temporary Micromanaged table atomicity is needed 
> -----------------------------------------------------------------
>
>                 Key: HIVE-18619
>                 URL: https://issues.apache.org/jira/browse/HIVE-18619
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Steve Yeom
>            Assignee: Steve Yeom
>            Priority: Minor
>
> Session based temporary table by HIVE-7090 had no consideration of 
> Micromanaged table 
> (MM) since there was no insert-only ACID table at its creation tije. 
> HIVE-18599 addressed the issue of no writes during CTTAS (Create Temporary 
> Table As Select)
> on Micro-Managed table. But atomicity of temporary MM table is not verified. 



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