Power Query find matching and non matching values

[Anonymous]

I have a orders table 

each order has multiple items ordered . So one order can have 5 items ordered another can have 4.

i have color column too in the table . 

if all the items in the order are of the same color then show as samecolor else show differentcolor. 
If any of the one item is of  different color then show differentcolor. 
how should I achieve this in power query ? 

[Anonymous · Accepted solution]

Hi @Anonymous 

You can put the following code to advanced editor in power query to as a reference.

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WSjRU0lECYfei1NQ8pVgdqJARppAxppAJppApilCSEYbxYCGo8ZUIEWMMERMMEVMMETO4SCwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [OrderId = _t, ItemID = _t, Color = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"OrderId", type text}, {"ItemID", Int64.Type}, {"Color", type text}}),
    #"Grouped Rows" = Table.Group(#"Changed Type", {"OrderId"}, {{"MinColor", each List.Min([Color]), type nullable text}, {"MaxColor", each List.Max([Color]), type nullable text}, {"Data", each _, type table [OrderId=nullable text, ItemID=nullable number, Color=nullable text]}}),
    #"Expanded Data" = Table.ExpandTableColumn(#"Grouped Rows", "Data", {"ItemID", "Color"}, {"ItemID", "Color"}),
    #"Added Custom" = Table.AddColumn(#"Expanded Data", "Custom", each if [MinColor]=[MaxColor] then "same color" else " different color"),
    #"Removed Columns" = Table.RemoveColumns(#"Added Custom",{"MinColor", "MaxColor"})
in
    #"Removed Columns"

Output

Best Regards!

Yolo Zhu

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

[wdx223_Daniel]

1 group your table by order id, and distinct count the item colors, if the count =1 then samecolor else differentcolor

2 merge above table with your original one to create a new column

[Syndicate_Admin]

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