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https://issues.apache.org/jira/browse/TRAFODION-2311?focusedWorklogId=268105&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-268105
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ASF GitHub Bot logged work on TRAFODION-2311:
---------------------------------------------

                Author: ASF GitHub Bot
            Created on: 27/Jun/19 00:04
            Start Date: 27/Jun/19 00:04
    Worklog Time Spent: 10m 
      Work Description: selvaganesang commented on issue #1844: 
[TRAFODION-2311] Avoid logging error 8605 and 8609 during SQLEndTrans if no 
trans active
URL: https://github.com/apache/trafodion/pull/1844#issuecomment-506087714
 
 
   The ODBC specification says the following when SQLEndTran API is called 
   
   For drivers and data sources that support transactions, calling SQLEndTran 
with either SQL_COMMIT or SQL_ROLLBACK when no transaction is active returns 
SQL_SUCCESS (indicating that there is no work to be committed or rolled back) 
and has no effect on the data source.
   
   When a driver is in autocommit mode, the Driver Manager does not call 
SQLEndTran in the driver. SQLEndTran always returns SQL_SUCCESS regardless of 
whether it is called with a CompletionType of SQL_COMMIT or SQL_ROLLBACK.
   
   Hence this change can be merged.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 268105)
    Time Spent: 1h 10m  (was: 1h)

> Avoid error 8605 and 8609 during SQLEndTran if no transaction active
> --------------------------------------------------------------------
>
>                 Key: TRAFODION-2311
>                 URL: https://issues.apache.org/jira/browse/TRAFODION-2311
>             Project: Apache Trafodion
>          Issue Type: Bug
>            Reporter: Arvind Narain
>            Assignee: Arvind Narain
>            Priority: Major
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> Frequently , during performance test runs like OE and other regression tests 
> following errors are observed in master logs:
> ERROR[8605] Committing a transaction which has not started.
> ERROR[8609] Waited rollback performed without starting a transaction.
> MXOSRVR does return success to the client for these errors but since 
> commit/rollback is executed, the error gets logged in master exec logs.
> Some of these can be avoided if mxosrvr implements the following ODBC 
> standard and skips executing the commit/rollback statement.
> "For drivers and data sources that support transactions, calling SQLEndTran 
> with either SQL_COMMIT or SQL_ROLLBACK when no transaction is active returns 
> SQL_SUCCESS (indicating that there is no work to be committed or rolled back) 
> and has no effect on the data source."



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