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lookup value in another column

hi, I am trying to lookup a value from one column to see if it exists in another column and then return either a yes or no.

 

Can this be done easily in power query?

 

thanks

24 REPLIES 24

hi, @llamasarefun use List.Contains(lookup_value, ref_to_another_column)

or List.PositionOf(lookup_value, ref_to_another_column, Occurence.First) <> -1

Hi, thanks for the quick reply.  I have tried using the List.contains formula but I am getting an error saying

 

Expression.Error: We cannot convert the value 312 to type List.
Details:
Value=312
Type=[Type]

 

 

you need to refer to the column of the WHOLE table, not it's value in the currect row. Such reference looks like table_name[column_name]

thanks,

 

I thought I was taking the whole column, my formula looks like this:

 

 

you are not. Provide a short sample of your table and we'll show you how to do that. It's easy.

sorry for misunderstanding, 

 

Document TypeCompany CodeAccountDocument NumberReferenceAmount in Local CurrencyAmount in Doc. Curr.Document CurrencyDocument DateBaseline Payment DtePosting DatePayment MethodPayment termsDays 1Net Due DateClearing DateEXC VATEXC CNPO NPOPAYMENT DAYSAGINGCR LOOKUP VALUE
KD84001332504200000000056427943-312-312GBP05/01/202323/12/202205/01/2023GE000023/12/202205/01/2023ININNON PO130 to 30312
KD84001332504200000000156519899-2445-2445GBP05/01/202323/12/202205/01/2023GE000023/12/202205/01/2023ININNON PO130 to 302445
KD8414130972020000000018500440952-21562-21562GBP01/01/202323/12/202201/01/2023GE000023/12/202201/01/2023ININNON PO90 to 3021562
KD841414688082000000000053627-12032-12032GBP05/01/202323/12/202205/01/2023GE000023/12/202205/01/2023ININNON PO130 to 3012032
KD8421130971920000000002017427694/0-102720-102720GBP05/01/202323/12/202205/01/2023GE000023/12/202205/01/2023ININNON PO130 to 30102720
KD8421131071220000000016903199-368-368GBP01/01/202301/01/202301/01/2023G 001/01/202301/01/2023ININNON PO00 to 30368
KD842113107442000000002800237368-70620-70620GBP15/01/202323/12/202215/01/2023GE000023/12/202215/01/2023ININNON PO230 to 3070620
KD842113107442000000003800275562-519-519GBP15/01/202323/12/202215/01/2023GE000023/12/202215/01/2023ININNON PO230 to 30519
KD8421133250420000000055646683X-38379.5-38379.5GBP01/01/202323/12/202201/01/2023GE000023/12/202201/01/2023ININNON PO90 to 3038379.5
KD84211332504200000000656550389-31413.31-31413.31GBP01/01/202323/12/202201/01/2023GE000023/12/202201/01/2023ININNON PO90 to 3031413.31
KD84211335504200000000891127733-43068-43068GBP01/01/202323/12/202201/01/2023GE000023/12/202201/01/2023ININNON PO90 to 3043068

 

not sure the copying the table in formatted too well, is there a better way to give you the sample?

@llamasarefun okay. CR LOOKUP VALUE is your column with lookup values. What is your lookup column? 

AMOUNT IN LOCAL CURRENCY is the lookup column

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