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https://issues.apache.org/jira/browse/DERBY-5779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas reassigned DERBY-5779:
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Assignee: Rick Hillegas
> Table functions and vtis 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
>
>
> Derby lets you invoke a table function/vti 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. In particular, the sample usage for SYSCS_DIAG.SPACE_TABLE,
> given in the Reference Manual, will no longer work after fixing this bug.
> Changes to SPACE_TABLE are being discussed on DERBY-5554.
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