Unico Hommes wrote:
<snip what="thorough_explanation"/>
Notice the is-defined expression in the where clause. Now in order to optimize your query you should try to let each selected property participate in the where clause. For instance by using is-defined clause like above.
OK, I understand better now. However I believe the performance impact of a missing <is-defined/> is negligible?
But now concerning the NPE. I know what is causing it and why it wasn't there before I will commit a fix later in the day.
Thanks a lot!!
Guido
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