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https://issues.apache.org/jira/browse/DERBY-6348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6348:
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Attachment: set-activation-and-tests.diff
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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