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From Dain Sundstrom <>
Subject Re: Bad Derby query
Date Tue, 03 Apr 2007 03:39:12 GMT
On Apr 2, 2007, at 8:06 PM, Craig L Russell wrote:

> Hi Dain,
> I've seen this problem as well, with a different provider. The JPA  
> spec lead sez that "?1 IS NULL" is not a portable JPAQL query, even  
> though some providers can generate SQL that some databases can  
> execute properly.

OpenJPA is handling this for hsql just not derby.  Is there some  
plugin we can tweak to support this clause in derby?

> It might not be an easy issue for OpenJPA to fix. How easy is it  
> for you to generate a different query?

Impossible.  This query is defined in the CMP TCK.


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