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From Andy Seaborne <>
Subject Re: [jira] Commented: (JENA-40) Query that runs more or less forever
Date Thu, 03 Feb 2011 22:55:47 GMT
Could you explain the testing issue?  The queries are quite long and 
while it may be obvious to you, it isn't to me!


On 03/02/11 22:44, Benson Margulies wrote:
> Sure. Sorry to transgress. In this case, since the very same query
> (structurally) had very different performance characteristics
> depending on which string was used to match a literal, I jumped to a
> conclusion. In particular, I'm assuming that the nature of OPTIONAL is
> that the 'required' part constrains the second part, I didn't think
> that I was inventing something like that.

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