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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-672) Re-enable user defined aggregates
Date Thu, 27 Sep 2012 12:20:07 GMT

     [ https://issues.apache.org/jira/browse/DERBY-672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-672:
--------------------------------

    Attachment: derby-672-09-ab-udtAggregates.diff

Attaching derby-672-09-ab-udtAggregates.diff. This patch makes it possible to create aggregates
on user defined types. I am running regression tests now.

Touches the following files:

----------

M       java/engine/org/apache/derby/impl/sql/compile/QueryTreeNode.java
M       java/engine/org/apache/derby/impl/sql/compile/CreateAliasNode.java

The input and return types of the aggregate needed to be bound in order for CREATE DERBY AGGREGATE
to succeed on user defined types. 

----------

M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/UserDefinedAggregatesTest.java
A       java/testing/org/apache/derbyTesting/functionTests/tests/lang/FullName.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/GenericMode.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/build.xml

Additional test case for creating aggregates on a user-defined type.

                
> Re-enable user defined aggregates
> ---------------------------------
>
>                 Key: DERBY-672
>                 URL: https://issues.apache.org/jira/browse/DERBY-672
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>         Attachments: derby-672-01-aa-ddl.diff, derby-672-02-ac-nonDistinct.diff, derby-672-03-aa-distinct.diff,
derby-672-03-ab-distinct.diff, derby-672-04-aa-fixJSR169test.diff, derby-672-05-aa-java7testOrderProblem.diff,
derby-672-06-aa-grantRevoke.diff, derby-672-07-aa-fixJSR169again.diff, derby-672-08-aa-fixJSR169yetAgain.diff,
derby-672-09-ab-udtAggregates.diff, UserDefinedAggregates.html, UserDefinedAggregates.html
>
>
> Nicolas Dufour in an email thread titled "functions and list" started on November 2,
2005 requests the ability to create user defined aggregates.
> This functionality used to be in Cloudscape. It was disabled presumably because it was
considered non-standard. However, most of the machinery needed for this feature is still in
the code. We should re-enable user defined aggregates after we agree on acceptable syntax.

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