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Hi,
I need help with PowerQuery - thanks in advance.
I have a table below:
I need to create a Custom Column in PowerQuery showing Max Date per Product.
Result in same table:
Thanks.
Solved! Go to Solution.
@Anonymous thanks.
Hi @mb0307
Have a try
let
Source = Table.FromRows(
Json.Document(
Binary.Decompress(
Binary.FromText(
"i45WMlTSUTIw1Dew1DcyMDJUitWBChlhChljCpmgCBkBhQwN9YEIVcgIU8gYU8gEIRQLAA==",
BinaryEncoding.Base64
),
Compression.Deflate
)
),
let
_t = ((type nullable text) meta [Serialized.Text = true])
in
type table [Product = _t, Date = _t]
),
#"Changed Type" = Table.TransformColumnTypes(
Source,
{{"Product", Int64.Type}, {"Date", type date}}
),
#"Grouped Rows" = Table.Group(
#"Changed Type",
{"Product"},
{{"Max", each List.Max([Date]), type nullable date}}
),
#"Merged Queries" = Table.NestedJoin(
#"Changed Type",
{"Product"},
#"Grouped Rows",
{"Product"},
"Grouped Rows",
JoinKind.LeftOuter
),
#"Expanded Grouped Rows" = Table.ExpandTableColumn(
#"Merged Queries",
"Grouped Rows",
{"Max"},
{"Max"}
)
in
#"Expanded Grouped Rows"
Thanks for your response but I am struggling to execute the query due to my limited knowledge. Sorry about that.
I have updated the original post - basically I want result in same table. Is it possible to do in Custom Column window?
Thanks.
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