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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4451) ArrayIndexOutOfBoundsException or ASSERT FAILED when inserting generated columns out of order
Date Wed, 25 Nov 2009 14:25:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782448#action_12782448
] 

Knut Anders Hatlen commented on DERBY-4451:
-------------------------------------------

The patch looks good to me. I tried something similar in DERBY-4448 (see comment dated 19/Nov/09
08:12 AM) but for some reason that I don't remember now, I also made some changes to when
InsertNode.enhanceAndCheckForAutoincrement() was called. This caused a failure in GeneratedColumnsTest.
I'm trying to remember why I thought that change was needed in addition to removing the call
to forbidGenerationOverrides(), but nothing comes to mind, so I'm guessing I just wasn't thinking
clearly at that moment. +1 to commit if the regression tests ran cleanly.

> ArrayIndexOutOfBoundsException or ASSERT FAILED when inserting generated columns out
of order
> ---------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4451
>                 URL: https://issues.apache.org/jira/browse/DERBY-4451
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.3.0, 10.6.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Dag H. Wanvik
>         Attachments: derby-4451.diff, derby-4451.stat, derby-4451b.diff, derby-4451b.stat,
derby-4451c.diff, derby-4451c.stat, derby-4451d.diff, derby-4451d.stat
>
>
> I see this error when I specify the columns in a different order than in the table definition.
It only fails if a multi-row table constructor is used.
> ij> create table t(a int, b generated always as (-a));
> 0 rows inserted/updated/deleted
> ij> insert into t(b,a) values (default,1);
> 1 row inserted/updated/deleted
> ij> insert into t(b,a) values (default,1), (default, 2);
> ERROR XJ001: Java exception: '1 >= 1: java.lang.ArrayIndexOutOfBoundsException'.
> And in a sane build:
> ij> insert into t(b,a) values (default,1),(default,2);
> ERROR XJ001: Java exception: 'ASSERT FAILED More columns in result column list than in
base table: org.apache.derby.shared.common.sanity.AssertFailure'.
> This bug may be similar to DERBY-4448, but the stack trace is different, and DERBY-4448
does not raise an ASSERT FAILED in sane builds.

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