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From "Oliver Bayer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-1760) SchemaAction='refresh,deleteTableContents' incorrectly removes data from ALL DB tables.
Date Thu, 07 Oct 2010 19:12:33 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12919027#action_12919027
] 

Oliver Bayer commented on OPENJPA-1760:
---------------------------------------

Hi Rick,

thanks for your help and the effort you put into this issue.

Maybe I have to read the spec once again to solve the misunderstanding, sorry for the unusable
patch. 
I don't know if I get you right but I understand your answer as follows:

- retain: should delete all unknown tables which isn't happening in my testcase
- deleteTableContents: should delete content only from known tables but deletes ALL data

So there are now two bugs than only the one I assumed?

I'm sorry to say but I can't agree with the priority of this issue. I don't want to say anything
against your work (don't get me wrong) but if a PERSISTENCE framework accidently remove ALL
data it's -if you would ask me- nearly a show-stopper.

I would like to help but if you can't fix it quickly on the fly it would take nearly months
to get a valid bugfix :-).

Nevertheless thanks a lot!
Oli

> SchemaAction='refresh,deleteTableContents' incorrectly removes data from ALL DB tables.
> ---------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-1760
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1760
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: tooling
>    Affects Versions: 2.0.0, 2.1.0
>         Environment: Win XP, Postgres 8.4, OpenJPA 2.0.0 
>            Reporter: Oliver Bayer
>            Priority: Minor
>             Fix For: 2.1.0
>
>         Attachments: OPENJPA-1760_testcase.patch
>
>
> At my usecase not all tables are managed by openjpa so not all of them are listed with
the class-tag inside persistence.xml. I set up openjpa to delete the table contents for developping
with the following property:
> <property name="openjpa.jdbc.SynchronizeMappings" value="buildSchema(SchemaAction='add,deleteTableContents')"/>
> But now all contents are deleted even the one of tables which aren't listed inside persistence.xml.

> Shouldn't openjpa only delete contents from tables which are configured plus the openjpa_sequence_table
rather than deleting all contents from the whole database? Is this a bug or is there a property
which I have to set to get the described behaviour?
> Greets Oli

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