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From "Mamta A. Satoor (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5629) Queries with guarded null Parameter fail
Date Fri, 24 Feb 2012 20:57:53 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mamta A. Satoor updated DERBY-5629:

    Issue & fix info: Repro attached
              Labels: derby_triage10_9  (was: )
> Queries with guarded null Parameter fail
> ----------------------------------------
>                 Key: DERBY-5629
>                 URL: https://issues.apache.org/jira/browse/DERBY-5629
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions:
>         Environment: java version "1.6.0_30"
> Java(TM) SE Runtime Environment (build 1.6.0_30-b12)
> Java HotSpot(TM) Client VM (build 20.5-b03, mixed mode, sharing)
>            Reporter: Bernard
>              Labels: derby_triage10_9
>         Attachments: NullParameterHibernateDerbyMaven.zip, NullParameterHibernateHsqlMaven.zip
> Some test cases in the attached Maven project fail where a null parameter is passed in
or a null value is coded in the query.
> In the context of this issue, a recently closed issue appears to be relevant:
> "Add support for setObject(<arg>, null)"
> https://issues.apache.org/jira/browse/DERBY-1938
> Some test cases in the attached project are Hibernate JPQL cases where Hibernate takes
care of generating the SQL queries.
> I thought it was appropriate to make a few cases not only one so that the issue gets
a little more test coverage.
> I also assume that issue DERBY-1938 aims to fix what we can see in these cases.
> This has become a major issue because it causes failure of a minimalistic JPQL query
as shown at
> http://en.wikipedia.org/wiki/Java_Persistence_Query_Language#Examples
> that shows a JPQL query:
> SELECT a FROM Author a WHERE :lastName IS NULL OR LOWER(a.lastName) = :lastName

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