How to Get respective row data based on a matched criteria from a different row using Power Query

Hi Priya_N999 ,

Please try the following steps.

1. Merge Queries:

[Member1 Id]--[Ids]

[Member2 Id]--[Ids]

2. Expand Names:

3. Add custom column:

4. Remove the [Name.1] and [Name.2] columns.

5. Steps:

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMnQ0MFTSUYIgj9LcgpJKpVgdsLgRXNwFRdwYLu6VmJwNEzVBiGbm5EBFTQ2AfKgVMBMhMmZQGWMIBdYdGwsA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Ids = _t, #"Member1 Id" = _t, #"Member2 Id" = _t, Names = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Ids", type text}, {"Member1 Id", type text}, {"Member2 Id", type text}, {"Names", type text}}),
    #"Merged Queries" = Table.NestedJoin(#"Changed Type", {"Member1 Id"}, #"Changed Type", {"Ids"}, "Changed Type", JoinKind.LeftOuter),
    #"Merged Queries1" = Table.NestedJoin(#"Merged Queries", {"Member2 Id"}, #"Merged Queries", {"Ids"}, "Merged Queries", JoinKind.LeftOuter),
    #"Expanded Changed Type" = Table.ExpandTableColumn(#"Merged Queries1", "Changed Type", {"Names"}, {"Names.1"}),
    #"Expanded Merged Queries" = Table.ExpandTableColumn(#"Expanded Changed Type", "Merged Queries", {"Names"}, {"Names.2"}),
    #"Added Custom" = Table.AddColumn(#"Expanded Merged Queries", "Custom", each [Names.1] & "/" & [Names.2]),
    #"Removed Columns" = Table.RemoveColumns(#"Added Custom",{"Names.1", "Names.2"}),
    #"Sorted Rows" = Table.Sort(#"Removed Columns",{{"Ids", Order.Ascending}})
in
    #"Sorted Rows"

Best Regards,
Gao
Community Support Team

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