[jira] [Commented] (CAY-2638) Cayennne sends commit

["Ari Maniatis (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CAY-2638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16967085#comment-16967085 ] 

Ari Maniatis commented on CAY-2638:
-----------------------------------

Cayenne definitely does not commit data after a fetch. Can you provide some sample code that reproduces the problem you are having.

 

> Cayennne sends commit
> ---------------------
>
>                 Key: CAY-2638
>                 URL: https://issues.apache.org/jira/browse/CAY-2638
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Core Library
>    Affects Versions: 4.1.RC2
>            Reporter: Tomas Jura
>            Priority: Major
>
> The cayenne sends the commits to the database ( after a lazy fetch, ... ). The transaction boundaries are defined by a superior business logic and ORM must not corrupt this logic and boundaries. Imagine for example that the Cayenne is part of an XA transaction, where the commit is controled by a transaction manager and the commit guided by two phase commit protocol. I'm afraid that any attempt to control transaction boundaries from ORM sooner or later clash with required boundaries.
> This design feature, automaticaly reject using cayenne as an ORM for any bit complex project which want to use savepoint/rollback/commit commands. As far as I remember Cayenne 3 did not touched the transaction state. Why Cayenne 4 touching the transaction?



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