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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-651) Re-enable the storing of java objects in the database
Date Wed, 18 Nov 2009 19:30:39 GMT

     [ https://issues.apache.org/jira/browse/DERBY-651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rick Hillegas updated DERBY-651:

    Attachment: derby-651-01-aa-basicCreateDropType.diff

Attaching derby-651-01-aa-basicCreateDropType.diff. This adds machinery to create and drop
UDTs. You can't do anything with these UDTs yet. That is, you can't declare columns or parameters
to be UDT types. But this is a foundation to build on. The regression tests ran cleanly for

Touches the following files:

M      java/engine/org/apache/derby/impl/sql/catalog/SYSALIASESRowFactory.java
M      java/engine/org/apache/derby/iapi/sql/dictionary/AliasDescriptor.java
M      java/engine/org/apache/derby/iapi/services/io/RegisteredFormatIds.java
M      java/engine/org/apache/derby/iapi/services/io/StoredFormatIds.java
M      java/engine/org/apache/derby/catalog/AliasInfo.java
A      java/engine/org/apache/derby/catalog/types/UDTAliasInfo.java

DataDictionary support for a new kind of alias, representing a Java class that can be used
as a UDT.

M      java/engine/org/apache/derby/impl/sql/compile/NodeFactoryImpl.java
M      java/engine/org/apache/derby/impl/sql/compile/DropAliasNode.java
M      java/engine/org/apache/derby/impl/sql/compile/CreateAliasNode.java
M      java/engine/org/apache/derby/impl/sql/compile/sqlgrammar.jj
M      java/engine/org/apache/derby/impl/sql/execute/CreateAliasConstantAction.java


M      java/testing/org/apache/derbyTesting/functionTests/tests/lang/_Suite.java
A      java/testing/org/apache/derbyTesting/functionTests/tests/lang/UDTTest.java
M      java/testing/org/apache/derbyTesting/functionTests/tests/upgradeTests/Changes10_6.java

Basic tests for CREATE/DROP TYPE plus upgrade test to verify that you must hard-upgrade to
10.6 before you can create a UDT.

> 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: derby-651-01-aa-basicCreateDropType.diff, UserDefinedTypes.html,
UserDefinedTypes.html, UserDefinedTypes.html, 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, cumbersome as it is, would do.

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