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https://issues.apache.org/jira/browse/DERBY-6565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Myrna van Lunteren resolved DERBY-6565.
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Resolution: Fixed
Fix Version/s: 10.10.2.1
Assignee: Dag H. Wanvik (was: Myrna van Lunteren)
> ROW_NUMBER function throws NullPointerException in UPDATE statement
> -------------------------------------------------------------------
>
> Key: DERBY-6565
> URL: https://issues.apache.org/jira/browse/DERBY-6565
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.10.2.0
> Reporter: Knut Anders Hatlen
> Assignee: Dag H. Wanvik
> Priority: Minor
> Fix For: 10.10.2.1, 10.12.0.0, 10.11.1.1
>
> Attachments: derby-6565-forbid.diff, derby-6565-forbid.status,
> derby-6565.diff
>
>
> A NullPointerException is raised with this (possibly illegal?) UPDATE
> statement:
> {noformat}
> ij version 10.10
> ij> connect 'jdbc:derby:memory:db;create=true';
> ij> create table t(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t values 1;
> 1 row inserted/updated/deleted
> ij> update t set x = row_number() over ();
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> {noformat}
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