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Hi,
I have a table here, it has 150 columns, I want to select 45 of them. Is there a way to do this without having to check box one by one? I also don't want to unpivot and join either, since this table has 200,000 rows.
I was thinking if there is a way to past a list into the Table.SelectColumns, maybe put the 45 columns I want as a variable and some how pass it into Table.SelectColumns Step.
let
Source = Csv.Document(File.Contents("XYZ.csv"),[Delimiter=",", Columns=150, Encoding=65001, QuoteStyle=QuoteStyle.None]),
#"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars=true]),
#"Removed Other Columns" = Table.SelectColumns(#"Promoted Headers",{"My Columns_1"..."My Columns_45"})
in
#"Removed Other Columns"
I tried something like this but didn't work
(X ) => {"NAME","TRANSACTION_NUM"..."Column_45"}
let
Source = Csv.Document(File.Contents("XYZ.csv"),[Delimiter=",", Columns=150, Encoding=65001, QuoteStyle=QuoteStyle.None]),
#"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars=true]),
#"Removed Other Columns" = Table.SelectColumns(#"Promoted Headers",{X})
in
#"Removed Other Columns"
Solved! Go to Solution.
@peterhui50 not sure why, try this:
let
X = {"NAME","TRANSACTION_NUM"..."Column_45"},
Source = Csv.Document(File.Contents("XYZ.csv"),[Delimiter=",", Columns=150, Encoding=65001, QuoteStyle=QuoteStyle.None]),
#"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars=true]),
#"Removed Other Columns" = Table.SelectColumns(#"Promoted Headers",X)
in
#"Removed Other Columns"
Check my latest blog post Comparing Selected Client With Other Top N Clients | PeryTUS I would ❤ Kudos if my solution helped. 👉 If you can spend time posting the question, you can also make efforts to give Kudos to whoever helped to solve your problem. It is a token of appreciation!
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Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
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It worked, but why does this list have to be inside the "let" statement?
@peterhui50 not sure why, try this:
let
X = {"NAME","TRANSACTION_NUM"..."Column_45"},
Source = Csv.Document(File.Contents("XYZ.csv"),[Delimiter=",", Columns=150, Encoding=65001, QuoteStyle=QuoteStyle.None]),
#"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars=true]),
#"Removed Other Columns" = Table.SelectColumns(#"Promoted Headers",X)
in
#"Removed Other Columns"
Check my latest blog post Comparing Selected Client With Other Top N Clients | PeryTUS I would ❤ Kudos if my solution helped. 👉 If you can spend time posting the question, you can also make efforts to give Kudos to whoever helped to solve your problem. It is a token of appreciation!
⚡Visit us at https://perytus.com, your one-stop-shop for Power BI-related projects/training/consultancy.⚡
Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!
Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo
If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤
Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.
@peterhui50 Since x is already a list, you don't need to wrap it in curly brackets:
(X ) => {"NAME","TRANSACTION_NUM"..."Column_45"}
let
Source = Csv.Document(File.Contents("XYZ.csv"),[Delimiter=",", Columns=150, Encoding=65001, QuoteStyle=QuoteStyle.None]),
#"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars=true]),
#"Removed Other Columns" = Table.SelectColumns(#"Promoted Headers",X)
in
#"Removed Other Columns"
Check my latest blog post Comparing Selected Client With Other Top N Clients | PeryTUS I would ❤ Kudos if my solution helped. 👉 If you can spend time posting the question, you can also make efforts to give Kudos to whoever helped to solve your problem. It is a token of appreciation!
⚡Visit us at https://perytus.com, your one-stop-shop for Power BI-related projects/training/consultancy.⚡
Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!
Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo
If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤
Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.
gave me a strange error called Eof Expected
odd...
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