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http://jira.codehaus.org/browse/CONTINUUM-1662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=190399#action_190399
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Wendy Smoak commented on CONTINUUM-1662:
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Wiki page contents:
Database access
In the actual store, we have few issues with JPox and database mapping:
long string aren't stored correctly in some database like Oracle due to small
length of the Oracle varchar
we have some issues with relations between objects during update/delete actions
of some entities
we have some memory issues due to lot of datas from entities loaded that we
don't really need
For all of that and more, I want to rewrite all the database access from
scratch. To do this, I want to use JPA (with OpenJPA or Toplink). I choose JPA
instead of JPOX or something else because :
it is very easy to develop/maintain the data access code
it is customizable for optimization by query overwrite and some query hints
defined externally
the SQL for the schema generation can be generated for each database, so
customizable by users
it is the new standard that I like and recommend
Personally, I'd prefer Toplink because it is the reference implementation and
it is already used by lot of users, I don't know about OpenJPA. We must look at
the Toplink license for the compatibility with the ASL.
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If there is interest in this it would probably be best to discuss it on the dev
list and open a more specific issue.
> Store and Data Access tier rework
> ---------------------------------
>
> Key: CONTINUUM-1662
> URL: http://jira.codehaus.org/browse/CONTINUUM-1662
> Project: Continuum
> Issue Type: Task
> Reporter: Rahul Thakur
>
> Please refer to details here:
> http://cwiki.apache.org/confluence/display/CONTINUUMDEV/Store+and+Data+Access+tier+rework
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