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copycols=false #5

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jtrakk opened this issue Mar 4, 2021 · 1 comment
Closed

copycols=false #5

jtrakk opened this issue Mar 4, 2021 · 1 comment

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@jtrakk
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jtrakk commented Mar 4, 2021

Nearly always when I'm using DataFrames functions, I pass copycols=false for the large speed boost. I am not concerned about this reducing safety because I never mutate columns in place.

I propose

transmute(df, args...) = transform(df, args...; copycols=false)
@xiaodaigh
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transmute only keep the columns used in args right? I don't think this is relevant here. Please re-open if u can clarify what's happening.

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@xiaodaigh @jtrakk