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From "Andreas Korneliussen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Oppdatert: (DERBY-1177) updateObject with null as argument causes network driver to fail with NullPointerException
Date Tue, 11 Apr 2006 08:29:20 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1177?page=all ]

Andreas Korneliussen updated DERBY-1177:

    Derby Info: [Patch Available, Regression, Release Note Needed]  (was: [Patch Available,

Release Note:

The following changes have been made to the Derby client driver:
Derby no longer throws an exception if ResultSet.updateObject(..) is called with a null as
parameter. Instead it will update the column with a SQL NULL value.

After calling ResultSet.updateObject(..) with null as parameter, or after calling ResultSet.updateNull(..),
ResultSet.wasNull() will return true, and ResultSet.getObject() will return null. Previously
Derby would incorrectly return the old value for the column.

The Derby embedded jdbc driver behaves the same way w.r.t this behavior.

> updateObject with null as argument causes network driver to fail with NullPointerException
> ------------------------------------------------------------------------------------------
>          Key: DERBY-1177
>          URL: http://issues.apache.org/jira/browse/DERBY-1177
>      Project: Derby
>         Type: Bug

>   Components: Network Client
>     Versions:
>     Reporter: Andreas Korneliussen
>     Assignee: Andreas Korneliussen
>     Priority: Minor
>      Fix For:
>  Attachments: DERBY-1177.diff, DERBY-1177.stat, DERBY-1177v2.diff, DERBY-1177v2.stat,
DERBY-1177v3.diff, UpdateXXXTest.java, derbyall_report.txt, derbyall_report.txt
> Calling ResultSet.updateObject(column, object) causes the network driver to give NullPointerException
if the object parameter is null.
> Stack trace from test:
> Test output:
> ........E.
> Time: 7.597
> There was 1 error:
> 1) testUpdateObjectWithNull(org.apache.derbyTesting.functionTests.tests.jdbcapi.UpdateXXXTest)java.lang.NullPointerException
>         at org.apache.derby.client.am.CrossConverters.setObject(CrossConverters.java:845)
>         at org.apache.derby.client.am.ResultSet.updateObject(ResultSet.java:3073)
>         at org.apache.derbyTesting.functionTests.tests.jdbcapi.UpdateXXXTest.testUpdateObjectWithNull(UpdateXXXTest.java:215)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> Will attach the test.
> To run:
> java -Dframework=DerbyNetClient org.apache.derbyTesting.functionTests.harness.RunTest
> The test does not fail with the embedded framework.

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