Pivot - Several lines for the same pivot.

[jcmartin01]

Hello everybody 😉

I try to pivot this table :

QMNUM - MNCOD - ERLDAT
207514 - XXX - 08/11/2010
207515 - XXX - 15/04/2011
207515 - XXX - 30/08/2011
207516 - XXX - 15/09/2011

but I get an error, probably because I have several lines for 207517

QMNUM - XXX
207514 - 08/11/2010
207515 - Error
207516 - 15/09/2011

My pivot :

= Table.Pivot(

Table.TransformColumnTypes(ref, {{"MNCOD", type text}}, "fr-FR"),

List.Distinct(Table.TransformColumnTypes(ref, {{"MNCOD", type text}}, "fr-FR")[MNCOD]), "MNCOD", "ERLDAT"

)

Thanks all...

JCM

[Anonymous · Accepted solution]

Hi @jcmartin01 ,

Select 'Don't' Aggregate' in the advanced options. The error will disappear.

Testing M codes:

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WMjIwNzU0UdJRioiIAJJGBoYGuoaGuhZKsTpQSVNkSUNdE12gCC5JC11jA4SkGaqkJVhnLAA=", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [QMNUM = _t, MNCOD = _t, ERLDAT = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"QMNUM", Int64.Type}, {"MNCOD", type text}, {"ERLDAT", type date}}),
    #"Pivoted Column" = Table.Pivot(#"Changed Type", List.Distinct(#"Changed Type"[MNCOD]), "MNCOD", "QMNUM")
in
    #"Pivoted Column"

Best Regards,

Stephen Tao

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

[HotChilli]

If you simplify that Pivot line to something like:

Table.Pivot(#"Renamed Columns", List.Distinct(thePreviousStepName[MNCOD]), "MNCOD", "ERLDAT", each _)

That will make the items in the last column into a list.

You can then decide what you want the last column to do (and you can get power query to write the M for you) by expanding from the column header.

[jcmartin01]

I should have added : does anybody know how to fix this ?

Id like to see a List of values instead of an error....

Is this possible ?

Thanks again !