Filter(<Set>,Measures.Sales_Dollar>1000)
	转换为Sql where Sales_Dollar>1000 或者 having Sales_Dollar>1000 group by product.category
Filter(<Set>,(Measures.Sales_Dollar/Measures.Sales_Unit)>5)
	转换为Sql where Sales_Dolloar/Sales_Unit > 5

Filter(Product.levels(0).members,(State.[USA],Measures.Sales_Dollar)>1000)
	转换为Sql having Sales_Dollar>1000 and state.id = "usa" group by state.country


CrossJoin(CrossJoin(<set1>,<set2>),<set3>)
	转换为MultiCrossJoin(<set1>,<set2>,<set3>)
MultiCrossJoin根据非空转换为FactMembers