最近开发RTC Report,用到了BIRT,但是发现BIRT不支持以下两个Feature:
1.不支持Cross Join/Cartesian Product
http://developer.actuate.com/community/forum/index.php?/topic/16618-cartesian-product-of-datasets/
2.不支持多Field进行Join
http://developer.actuate.com/community/forum/index.php?/topic/22096-inner-join-with-multiple-fields/