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From "Knut Anders Hatlen (Closed) (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DERBY-5635) Provide implementation for getMetaData() in VTITemplate
Date Tue, 06 Mar 2012 09:26:57 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Knut Anders Hatlen closed DERBY-5635.

          Resolution: Fixed
       Fix Version/s:
    Issue & fix info:   (was: Patch Available)

Thanks, Rick. Committed revision 1297396.
> Provide implementation for getMetaData() in VTITemplate
> -------------------------------------------------------
>                 Key: DERBY-5635
>                 URL: https://issues.apache.org/jira/browse/DERBY-5635
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions:
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>             Fix For:
>         Attachments: d5635.diff
> VTITemplate defines getMetaData() as an abstract method. That method doesn't appear to
be needed for user-defined table functions, so it would be good to provide a default implementation
(could just throw an exception) so that less boilerplate is needed when writing table functions.
The method does however get used by system VTIs, which is probably why it was made abstract
in the first place. The system VTIs should still override getMetaData().

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