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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2012/11/06 19:36:12 UTC
[jira] [Closed] (DERBY-5954) NPE in SELECT involving subselects and
windows functions
[ https://issues.apache.org/jira/browse/DERBY-5954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rick Hillegas closed DERBY-5954.
--------------------------------
Closing. Thanks, Dag.
> NPE in SELECT involving subselects and windows functions
> --------------------------------------------------------
>
> Key: DERBY-5954
> URL: https://issues.apache.org/jira/browse/DERBY-5954
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.6.1.0, 10.6.2.1, 10.7.1.1, 10.8.1.2, 10.8.2.2, 10.9.1.0
> Reporter: Rick Hillegas
> Assignee: Dag H. Wanvik
> Fix For: 10.10.0.0
>
> Attachments: derby-5954.diff, derby-5954-with-test-2.diff, derby-5954-with-test-2.stat, derby-5954-with-test.diff, derby-5954-with-test.stat
>
>
> A user reports and I have verified an NPE on the following SELECT:
> connect 'jdbc:derby:memory:db;create=true';
> create table blah ( a int );
> insert into blah values (1), (2), (3), (4), (5), (6), (7);
> SELECT rn, (SELECT rn FROM (SELECT row_number() over() rn FROM blah ) as T2
> where T2.rn = T1.rn+1) rn2
> FROM (SELECT row_number() over() rn from blah) as T1;
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