Voici l'article qui en parle:
http://www.eclipse.org/birt/phoenix/...notable4.2.php
et voici le passage:
With this release of BIRT, it is now possible to configure whether the data engine caches a data set. In the advanced settings for all data sets a new option has been added. This options "Needs cache for data-engine" determines if the data set will be cached. By default this value is true, meaning the data engine will cache the dataset. If you set the value to false the data set will be re-executed for each bound item instance.
Je ne l'ai jamais utilisé mais d'après l'article ça devrait le faire.
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