我有一个 Date 表和一个 FactSales 表,它们的关系是 Date[date] 和 FactSales[Date]。我有一个衡量总销售额的方法,例如总销售额 = SUM(FactSales[sales])。我有一个名为 Relation 的表。
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Match | TypeID | Type | No |Datepartname |
________________________________________________________________________
DEFAULT - Year on Year | 1 |Userelationship | NA | NA |
Previous 1 Week | 3 | Dateadd | 1 | Week |
Previous 2 Week | 3 | Dateadd | 2 | Week |
Previous 3 Week | 3 | Dateadd | 3 | Week |
Previous 12 Week | 3 | Dateadd | 12 | Week |
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此 Relation[Match] 列将用作切片器,它将过滤日期表以根据所选内容获取总销售额。
我正在努力通过使用下面的 DAX 来完成这项工作: 首先,我需要使用变量 _maxDate
来确定当前日期measure =
Var _maxDate = CALCULATE ( MAX ( Date[Dates] ), ALLSELECTED ( Date ) ) --- current's date
var _selection = SELECTEDVALUE(Relation[Match] )
RETURN
SWITCH(TRUE(),
_selection = "DEFAULT - Year on Year", "DEFAULT - Year on Year",
_selection = "Previous 1 Week", DATEADD(Date[Dates],-7,DAY),
_selection = "Previous 2 Week”, DATEADD(Date[Dates],-14,DAY),
_selection = "Previous 3 Week", DATEADD(Date[Dates],-21,DAY),
_selection = "Previous 12 Week", DATEADD(Date[Dates],-84,DAY),
BLANK()
)
我的 Dax 返回错误。
预期结果:
每当,前一周在切片机上选择,它应该返回上周的日期,选择前一周的时间,它应该返回2周前日期等。 如果实现了这一点,则应根据切片器上选择的内容自动计算度量。