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primolee
Helper V
Helper V

List all errors in a table

Hello there,

 

Is there a way to keep rows with errors and also keep the cause of these errors in a column?

 

Because I have 60 columns, if there are 2 or more errors in a row, is there a way to keep these error messages in a column or list?

 

Thank you so much for your time and help.

 

Best Regards,

David

1 ACCEPTED SOLUTION
Smauro
Solution Sage
Solution Sage

Hi @primolee 

I use this function sometimes:

(table as table) as table =>
    let
        errorExtract = (value as any) as any => if value[HasError] = true then value[Error] else value[Value],

        errorToText = (errorRec as any) as any => if Type.Is(Value.Type(errorRec), Record.Type) then "Reason: " & errorRec[Reason] & "#(lf)Message: " & errorRec[Message] & "#(lf)Value: " & (try Text.From(errorRec[Detail]) otherwise try Text.From(errorRec[Detail][Value]) otherwise null) else errorRec,

        recsToErrors = (rec as record) as any =>
            List.Accumulate( Record.FieldNames(rec), [],
                (s,c) => Record.AddField(s, c, errorToText(errorExtract(try Record.Field(rec, c)) ) ) ),

        
        #"Error Table" = Table.FromList(List.Transform(Table.ToRecords(Table.SelectRowsWithErrors(table)), each recsToErrors(_)), Record.FieldValues, Table.ColumnNames(table))
    in
        #"Error Table"

It keeps only error rows and transforms errors to the text of the error record. It may be useful to you.

 

 

Best,

Spyros




Feel free to connect with me:
LinkedIn

View solution in original post

5 REPLIES 5
Smauro
Solution Sage
Solution Sage

Hi @primolee 

I use this function sometimes:

(table as table) as table =>
    let
        errorExtract = (value as any) as any => if value[HasError] = true then value[Error] else value[Value],

        errorToText = (errorRec as any) as any => if Type.Is(Value.Type(errorRec), Record.Type) then "Reason: " & errorRec[Reason] & "#(lf)Message: " & errorRec[Message] & "#(lf)Value: " & (try Text.From(errorRec[Detail]) otherwise try Text.From(errorRec[Detail][Value]) otherwise null) else errorRec,

        recsToErrors = (rec as record) as any =>
            List.Accumulate( Record.FieldNames(rec), [],
                (s,c) => Record.AddField(s, c, errorToText(errorExtract(try Record.Field(rec, c)) ) ) ),

        
        #"Error Table" = Table.FromList(List.Transform(Table.ToRecords(Table.SelectRowsWithErrors(table)), each recsToErrors(_)), Record.FieldValues, Table.ColumnNames(table))
    in
        #"Error Table"

It keeps only error rows and transforms errors to the text of the error record. It may be useful to you.

 

 

Best,

Spyros




Feel free to connect with me:
LinkedIn

Amazing, thx!!

THIS IS BRILLIANT!!!!!

@Smauro  Hello!

 

Thank you so much for your help!  This function is so convenient!!!  Just gave it a try, so simple!

 

Thank you!!!!

PhilipTreacy
Super User
Super User

Hi @primolee 

Yes, please refer to this article

 https://www.sumproduct.com/blog/article/power-query-blogs/power-query-trying-to-extract-errors

Phil


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