Is it possible to add multiple columns with DAX

[barrymac98]

Instead of adding columns one at a time using dax is it possible to add multiple columns in one go?  I can break the code up below to add one column at a time and it works, but when I try to combine it into one dax statement it doesn't. 

Alice =

 SWITCH(TRUE(),

 'Table'[Name] = "Alice", "Alice",

 'Table'[Name] = "Bob", UNICHAR(8203),

 'Table'[Name] = "Carol", REPT( UNICHAR(8203), 2),

 BLANK()

 )

Bob =

 SWITCH(TRUE(),

 'Table'[Name] = "Alice", UNICHAR(8203),

 'Table'[Name] = "Bob", "Bob",

 'Table'[Name] = "Carol", REPT( UNICHAR(8203), 2),

 BLANK()

 )

Carol =

 SWITCH(TRUE(),

 'Table'[Name] = "Alice", REPT( UNICHAR(8203), 2),

 'Table'[Name] = "Bob", UNICHAR(8203),

 'Table'[Name] = "Carol", "Carol",

 BLANK()

 )

[v-xinruzhu-msft · Accepted solution]

Hi @barrymac98 

If you want to add multiple columns at one time, you need to use calculated table, because it will return multiple columns, you cannot create them directly at the existed table. you can refer to the following sample.

Create a calculated table

Table2 =
ADDCOLUMNS (
    'Table',
    "Alice",
        SWITCH (
            TRUE (),
            'Table'[Name] = "Alice", "Alice",
            'Table'[Name] = "Bob", UNICHAR ( 8203 ),
            'Table'[Name] = "Carol", REPT ( UNICHAR ( 8203 ), 2 ),
            BLANK ()
        ),
    "Bob",
        SWITCH (
            TRUE (),
            'Table'[Name] = "Alice", UNICHAR ( 8203 ),
            'Table'[Name] = "Bob", "Bob",
            'Table'[Name] = "Carol", REPT ( UNICHAR ( 8203 ), 2 ),
            BLANK ()
        ),
    "Carol",
        SWITCH (
            TRUE (),
            'Table'[Name] = "Alice", REPT ( UNICHAR ( 8203 ), 2 ),
            'Table'[Name] = "Bob", UNICHAR ( 8203 ),
            'Table'[Name] = "Carol", "Carol",
            BLANK ()
        )
)

Best Regards!

Yolo Zhu

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

[barrymac98]

Makes sense! thank you 🙂

[Daniel29195]

@barrymac98 

Not sure what you mean, 

but u can use addcolumns function in dax to add as many as you want 

[MartenT]

But can I create multiple columns with just one AddColumns call?
I seem to only be able to create one column per addcolumn call