Add a feature for inserting a column

It would be really useful if there was a method that could insert a column into an existing Dataframe between two existing columns. I know about .addColumn, but that seems to place the new column at the end of the Dataframe.

For example:

df.print()

A | B 
======
7 | 5
3 | 6

df.insert({ “afterColumn”: “A”, “newColumnName”: “C”, “data”: [4,1], inplace: true }) df.print()

A | C | B 
==========
7 | 4 | 5
3 | 1 | 6

[steveoni]

Yeah sure. I’m aware of that

[risenW]

@risenW okay i get. thats cool.

but i don’t get what you trying to do here

//Using the position, you can directly splice the data array as well. 
let new_data = [...this.data] //only do this copy if the operation is happening in place, else use splice directly
new_data.splice(new_col_position, 0, [4, 1]); //Add the new data in that position.

but i will go with the example i have before, which is similar to the example you gave

Splice by default will mutate the array, so I’m saying that you should make a copy first.