[ http://issues.apache.org/jira/browse/JDO-111?page=all ]
Michael Bouschen closed JDO-111:
--------------------------------
Fix Version: JDO 2 beta
Resolution: Fixed
> Types of key/value columns and index columns in join tables
> -----------------------------------------------------------
>
> Key: JDO-111
> URL: http://issues.apache.org/jira/browse/JDO-111
> Project: JDO
> Type: Bug
> Components: tck20
> Reporter: Michael Watzek
> Assignee: Michael Watzek
> Fix For: JDO 2 beta
>
> PC classes like "HashtableStringValueCollections" have several fields of type
> "java.util.Map" where (sometimes) keys are FCOs (e.g. SimpleClass instances)
> and values are strings. The types of keys and values differ and can be
> derived by the classname.
> Each of these fields is mapped to a separate (join) table having join
> columns, key columns, value columns, and index columns. In the current
> schema, all of these columns have type "INTEGER". This is a bug.
> Keys and values of type "java.lang.String" must be mapped to columns of type
> "VARCHAR". Furthermore, join tables which are mapped by fields of maps or
> sets do not have index columns. However, we should keep index columns for
> TreeSets and TreeMaps.
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