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https://issues.apache.org/jira/browse/DERBY-4610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-4610:
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Attachment: junit.diff
I wrote a JUnit test case based on the repro in the bug description. See the
attached patch junit.diff.
The test case is not yet enabled as part of a test suite, since it currently
fails.
Committed to trunk with revision 938959.
The test case can be run with the following command:
java junit.textui.TestRunner -m
org.apache.derbyTesting.functionTests.tests.lang.TriggerTest.xtestDerby4610WrongDataType
> Error attempting delete with cascade and triggers
> -------------------------------------------------
>
> Key: DERBY-4610
> URL: https://issues.apache.org/jira/browse/DERBY-4610
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.4.1.3, 10.4.2.0, 10.5.3.0, 10.6.1.0
> Environment: Apache Derby 10.5.3.0 and Sun JDK 1.6.0_07
> Reporter: Eric Long
> Attachments: junit.diff
>
>
> The scenario is a parent and child table with a cascade delete and triggers
> on both tables. Here are the steps to reproduce.
> First, compile TestFunctions.java and put it on the classpath:
> public class TestFunctions
> {
> public static void test(String str)
> {
> }
> }
> Next, enter commands into interactive SQL:
> create table testtable (id integer, name varchar(20), primary key(id));
> create table testchild (
> id integer
> constraint fk_id references testtable on delete cascade,
> ordernum int,
> primary key(id));
> create procedure testproc (str varchar(20))
> PARAMETER STYLE JAVA LANGUAGE JAVA EXTERNAL NAME 'TestFunctions.test';
> create trigger testtabletrigger after delete on testtable referencing old as
> old
> for each row mode db2sql call testproc(char(old.id));
> create trigger testchildtrigger after delete on testchild referencing old as
> old
> for each row mode db2sql call testproc(char(old.ordernum));
> insert into testtable values (1, 'test1');
> insert into testchild values (1, 10);
> delete from testtable where id = 1;
> The expected result is that deleting a row from "testtable" will cascade the
> delete to "testchild", and the triggers will be called for each delete. The
> actual result is that the delete is rolled back with the following error:
> Error: An attempt was made to put a data value of type 'java.lang.String'
> into a data value of
> type 'INTEGER'.
> SQLState: XCL12
> ErrorCode: 30000
> There are no additional entries in the derby.log after the error. If only
> one trigger is used, or if the cascade is removed, then the delete will
> succeed.
> This issue was found while using SymmetricDS, which uses triggers to
> replicate tables between Derby databases.
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