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Posted to derby-dev@db.apache.org by "Dag H. Wanvik (JIRA)" <ji...@apache.org> on 2010/07/07 21:46:50 UTC
[jira] Updated: (DERBY-4736) ASSERT FAIL when code generating a
column reference in a join predicate in presence of other outer join
reordering
[ https://issues.apache.org/jira/browse/DERBY-4736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dag H. Wanvik updated DERBY-4736:
---------------------------------
Attachment: derby-4736-1a.diff
derby-4736-1a.stat
> ASSERT FAIL when code generating a column reference in a join predicate in presence of other outer join reordering
> ------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-4736
> URL: https://issues.apache.org/jira/browse/DERBY-4736
> Project: Derby
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 10.7.0.0
> Reporter: Dag H. Wanvik
> Attachments: derby-4736-1a.diff, derby-4736-1a.stat
>
>
> From schema given in DERBY-4712, this query gives an ASSERT with sane Derby:
> rs = s.executeQuery("SELECT 1 FROM (T0 LEFT JOIN (T1 LEFT JOIN (T2 LEFT JOIN " +
> " (T3 LEFT JOIN T4 ON 1=1) ON T2.X = T3.X) ON 1=1) ON 1=1) " +
> " LEFT JOIN " +
> " (T5 INNER JOIN T6 ON 1=1) " +
> " ON T2.X = 1 ");
> Cf the attachments in DERBY-4712 assert-bind-opt-trees.*.
> From preliminary analysis, this error seems to be unrelated to the NPEs reported in DERBY-4712, so filing this as a sub-issue.
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