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https://issues.apache.org/jira/browse/DERBY-651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-651:
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Attachment: UserDefinedTypes.html
Attaching a first rev of a functional spec for User Defined Types. This
describes a minimal amount of work needed to declare Java objects which can be
stored in the database. In this first rev, the query language is only able to
see these objects as structs. The spec lists future enhancements which can make
these types even more useful.
I don't expect that I will have time to implement this feature in the 10.6
timeframe. However, I would be happy to coach someone else through the process.
Thanks is advance for reading this spec and posting your feedback.
> Re-enable the storing of java objects in the database
> -----------------------------------------------------
>
> Key: DERBY-651
> URL: https://issues.apache.org/jira/browse/DERBY-651
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Reporter: Rick Hillegas
> Attachments: UserDefinedTypes.html
>
>
> Islay Symonette, in an email thread called "Storing Java Objects in a table"
> on October 26, 2005 requests the ability to store java objects in the
> database.
> Old releases of Cloudscape allow users to declare a column's type to be a
> Serializable class. This feature was removed from Derby because the syntax
> was non-standard. However, most of the machinery to support objects
> serialized to columns is still in Derby and is even used in system tables. We
> need to agree on some standard syntax here and re-expose this useful feature.
> Some subset of the ANSI adt syntax, cumbersom as it is, would do.
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