:Splits column type differs - Any vs. Array{SubString{String},1}. (I just wanted to save memory so I stored the value (that can be repeated) to emptyStringArray.)
Even if I understand that I made something bad to column :Splits, I think X1's type shouldn't be changed to Any in batchesAny.
Repost from https://discourse.julialang.org/t/query-mutate-changes-other-column-type/39292 as it looks like a bug.
This is my smallest code with repro:
The output is like this:
What I don’t understand:
:Splits
column type differs - Any vs. Array{SubString{String},1}. (I just wanted to save memory so I stored the value (that can be repeated) toemptyStringArray
.)Even if I understand that I made something bad to column
:Splits
, I thinkX1
's type shouldn't be changed toAny
inbatchesAny
.