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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5779) Table functions should only accept arguments which are constant in their query block.
Date Thu, 21 Jun 2012 19:48:42 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-5779:
---------------------------------

    Attachment: releaseNote.html

Attaching the first rev of a release note for this issue.
                
> Table functions should only accept arguments which are constant in their query block.
> -------------------------------------------------------------------------------------
>
>                 Key: DERBY-5779
>                 URL: https://issues.apache.org/jira/browse/DERBY-5779
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.9.1.0
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>         Attachments: derby-5779-01-ab-forbidReferencesInQueryBlock.diff, releaseNote.html
>
>
> Derby lets you invoke a table function in the FROM list of a query, passing in arguments
built out of columns in other tables in the FROM list. This syntax is illegal and the resulting
queries have no meaning under the SQL Standard. See the discussion on DERBY-5554. We should
forbid this syntax. Similar syntax involving correlated subqueries in the FROM list is already
forbidden. Fixing this will create a backward incompatibility which requires a release note.

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