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From Andy Seaborne <>
Subject Re: That NPE of mine that Andy fixed
Date Wed, 02 Feb 2011 19:17:00 GMT

On 02/02/11 19:02, Benson Margulies wrote:
> Andy,
> I've become convinced that I should really have optionals rather than
> unions in the query in question (or duplicate some of the first clause
> into the two others). Can you shed any light on why it went 'splat'
> and if there's a way around it?
> -benson

The optimizer was messing up on nested IN expressions.

In several different ways.

Using the SNAPSHOTs should fix it - your example query ran quickly with 
the test data.

then look in arq/2.8.8-SNAPSHOT/

or with maven:

       <name>Jena Maven - Repository</name>

       <name>Jena Maven - Development Repository</name>


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