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Knut Anders Hatlen commented on DERBY-4138:
-------------------------------------------

For the record, "Updateable ordered cursors" is a separate (optional) feature in the SQL standard, with feature ID F831-02. Feel free to reopen this issue and reclassify it as a feature request.

> Adding an "ORDER BY" clause breaks updatable result sets
> --------------------------------------------------------
>
>                 Key: DERBY-4138
>                 URL: https://issues.apache.org/jira/browse/DERBY-4138
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.4.2.0
>         Environment: Solaris
>            Reporter: Alan Burlison
>            Priority: Trivial
>
> The following doesn't work:
> ps = c.prepareStatement("select a, b, c from tab where a = ? order by b desc",
>   ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
> :
> :
> rs.updateInt(3, 123);
> and throws the following exception:
> 'updateInt' not allowed because the ResultSet is not an updatable ResultSet. [XJ083]
> Removing the 'order by b desc' clause makes the problem go away.

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