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https://issues.apache.org/jira/browse/OPENJPA-1074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Sutter updated OPENJPA-1074:
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Fix Version/s: (was: 2.0.0)
2.1.0
> OrderColumn does not maintain index upon inter-list element removal
> -------------------------------------------------------------------
>
> Key: OPENJPA-1074
> URL: https://issues.apache.org/jira/browse/OPENJPA-1074
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 2.0.0-M2
> Reporter: Jeremy Bauer
> Assignee: Jeremy Bauer
> Priority: Critical
> Fix For: 2.1.0
>
>
> The current order column reordering mechanism does not maintain a contiguous
> index value when an item is deleted from anywhere except the end of a
> collection. Per the latest JPA 2.0 spec, a contiguous index value must be
> maintained.
> The current reordering mechanism does a full delete and reinsert of the
> container/collection table values if a reorder is required for inserts. For
> deletes, it just removes entries and leaves an empty index value. The first
> phase of the fix will be to maintain contiguous ordering using the same
> mechanism as inserts (delete/re-insert). The second phase will be to update
> the ChangeTracker to record the indexes of the updated list items and to use
> that information to provide a more intelligent update strategy in the
> handlers.
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