这可能吗?
我有一张桌子,里面有一个包含产品版本的栏目(例如:快车)。每个版本都有一个部件列表(例如:颜色)。每个部分都有许多值(例如:红色)。
VERSION PART PART_VALUE
VERSION1 PART1 PART_VALUE1
VERSION1 PART2 PART_VALUE2
VERSION1 PART3 PART_VALUE3
VERSION2 PART2 PART_VALUE2
VERSION2 PART3 PART_VALUE3
VERSION2 PART4 PART_VALUE4
VERSION3 PART1 PART_VALUE1
VERSION3 PART2 PART_VALUE2
VERSION3 PART3 PART_VALUE4
现在我想选择 - 在Fragmentator或其他复选框 - Version1和Version2,结果应该是:
"ONLY DIFFENCES BETWEEN VERSION1 AND VERSION2"
VERSION1 PART1 PART_VALUE1
VERSION2 PART4 PART_VALUE4
或者在选择Version1和Version3之后,结果应为:
"ONLY DIFFENCES BETWEEN VERSION1 AND VERSION3"
VERSION1 PART3 PART_VALUE3
VERSION3 PART3 PART_VALUE4
这是一个M查询,它应该做你想要的:
(V1, V2) =>
let
Source = MyTable,
First = Table.SelectRows(Source, each ([VERSION] = V1)),
Second = Table.SelectRows(Source, each ([VERSION] = V2)),
#"First Unique" = Table.NestedJoin(First,{"PART", "PART_VALUE"},Second,{"PART", "PART_VALUE"},"Second",JoinKind.LeftAnti),
#"Second Unique" = Table.NestedJoin(Second,{"PART", "PART_VALUE"},First,{"PART", "PART_VALUE"},"First",JoinKind.LeftAnti),
Combine = Table.Combine({#"First Unique", #"Second Unique"}),
#"Removed Columns" = Table.RemoveColumns(Combine,{"Second", "First"})
in
#"Removed Columns"