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From "ZhangCheng (Jira)" <>
Subject [jira] [Resolved] (NIFI-7140) PutSql support database transaction rollback when <ROLLBACK_ON_FAILURE >is false
Date Tue, 28 Apr 2020 17:25:00 GMT


ZhangCheng resolved NIFI-7140.
    Resolution: Not A Problem

> PutSql support database transaction rollback when <ROLLBACK_ON_FAILURE >is false
> --------------------------------------------------------------------------------
>                 Key: NIFI-7140
>                 URL:
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>    Affects Versions: 1.11.1
>            Reporter: ZhangCheng
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
> For PutSQL processor,if the 'Support Fragmented Transactions' is true, the processor
will process all FlowFiles with that fragment.identifier as a single transaction;
> In actuality,it works. 
> But when some sql of the transaction failed and <Rollback On Failure> is false
, the database transaction will not roll back.
> Sometimes,we need the  database transaction rollback and do not want  the flowfile rollback,
we need that the failed database  transaction route  to REL_FAILURE.
> If the <Support Fragmented Transactions>is true and <Rollback On Failure>
is false , I think it should still support the capability  of database transaction rollback,
for example :it should add a property (like <Support Fragmented Transactions RollBack>)
 which can indicate that whether the processor support  database transaction rollback when
the 'Support Fragmented Transactions' is true .Of course ,when <ROLLBACK_ON_FAILURE>
is true ,<Support Fragmented Transactions RollBack> will be ignored

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