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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4433) Cannot insert from EXCEPT/INTERSECT when target table has more columns than the source
Date Tue, 24 Nov 2009 20:13:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782135#action_12782135
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Knut Anders Hatlen commented on DERBY-4433:
-------------------------------------------

That's what I see too now. Don't know what has changed, or if I misread the test results.

Anyways, the 1a patch attached to DERBY-4442 (which is based on the prn3) does not cause any
NPE in union.sql.

> Cannot insert from EXCEPT/INTERSECT when target table has more columns than the source
> --------------------------------------------------------------------------------------
>
>                 Key: DERBY-4433
>                 URL: https://issues.apache.org/jira/browse/DERBY-4433
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.6.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>         Attachments: prn.diff, prn2.diff, prn3.diff
>
>
> If an INSERT statement takes the rows to insert from an EXCEPT query or an INTERSECT
query, the statement fails with "Column position 'X' out of range" if the target table contains
more columns than the result returned from EXCEPT or INTERSECT.
> Example:
> ij> create table t (x int, y int);
> 0 rows inserted/updated/deleted
> ij> insert into t(x) select x from t except select x from t;
> ERROR 42X77: Column position '2' is out of range for the query expression.
> ij> insert into t(x) select x from t intersect select x from t;
> ERROR 42X77: Column position '2' is out of range for the query expression.
> The corresponding UNION query works:
> ij> insert into t(x) select x from t union select x from t;
> 0 rows inserted/updated/deleted

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