[datatable-help] possible sort bug?

[Huashan Chen]

dt = data.table(id=1:30, nn = paste0('A', 1:30))
smp = sample(30, size =10)

#  data is sorted as expected 
aa = dt$id %in% smp
dt[aa, ]

# However, this gives unsorted result
dt[id %in% smp, ]

Is this a bug or by design?




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