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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (DERBY-6348) NPE or assert failure in recursive trigger
Date Wed, 30 Oct 2013 09:00:29 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808863#comment-13808863
] 

Knut Anders Hatlen edited comment on DERBY-6348 at 10/30/13 8:58 AM:
---------------------------------------------------------------------

Attaching an updated patch that includes tests (set-activation-and-tests.diff).


was (Author: knutanders):
Attaching an updated patch that include tests (set-activation-and-tests.diff).

> NPE or assert failure in recursive trigger
> ------------------------------------------
>
>                 Key: DERBY-6348
>                 URL: https://issues.apache.org/jira/browse/DERBY-6348
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.5.1.1, 10.6.1.0, 10.7.1.1, 10.8.1.2, 10.9.1.0, 10.10.1.1
>            Reporter: Knut Anders Hatlen
>         Attachments: set-activation-and-tests.diff, set-activation.diff
>
>
> With 10.5.1.1 and newer, the following ij session fails with a NullPointerException (production
jars) or an assert failure (debug jars):
> ij version 10.10
> ij> connect 'jdbc:derby:db;create=true';
> ij> create table t(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t values 0;
> 1 row inserted/updated/deleted
> ij> create trigger tr1 after update on t values 1;
> 0 rows inserted/updated/deleted
> ij> create trigger tr2 after update on t for each row update t set x = x + 1 where
x < 3;
> 0 rows inserted/updated/deleted
> ij> update t set x = x + 1;
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> It does not fail on 10.4.2.0:
> ij version 10.4
> ij> connect 'jdbc:derby:db;create=true';
> ij> create table t(x int);
> 0 rows inserted/updated/deleted
> ij> insert into t values 0;
> 1 row inserted/updated/deleted
> ij> create trigger tr1 after update on t values 1;
> 0 rows inserted/updated/deleted
> ij> create trigger tr2 after update on t for each row update t set x = x + 1 where
x < 3;
> 0 rows inserted/updated/deleted
> ij> update t set x = x + 1;
> 1 row inserted/updated/deleted
> ij> select * from t;
> X          
> -----------
> 3          
> 1 row selected



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