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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2013/06/03 14:23:22 UTC
[jira] [Closed] (DERBY-672) Re-enable user defined aggregates
[ https://issues.apache.org/jira/browse/DERBY-672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Hillegas closed DERBY-672.
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> 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
> Fix For: 10.10.1.1
>
> Attachments: d672-no-exceptions.diff, 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, derby-672-10-af-typeBounds.diff, derby-672-11-aa-tests.diff, derby-672-11-ab-tests.diff, derby-672-12-aa-implicitCasts.diff, derby-672-13-aa-differentReturnType.diff, derby-672-14-aa-collations.diff, derby-672-15-aa-setCollation.diff, derby-672-16-aa-forbidInGroupBy.diff, derby-672-17-aa-moreTests.diff, derby-672-18-aa-udaInJar.diff, derby-672-19-aa-precisionChecks.diff, derby-672-20-aa-exactBounds.diff, derby-672-21-aa-typeDependencies.diff, derby-672-22-aa-makeModeAggregateStateSerializable.diff, derby-672-23-aa-improveJavadocForAggregator.merge.diff, UserDefinedAggregates.html, UserDefinedAggregates.html, 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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