no.dups argument to merge.data.table #2653
Merged
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Follow-up to the accepted PR #2631
On Saturday Feb 24th 2018 (NEWS) the corresponding patch for PR #2631 to base R
merge.data.frame()
was merged into R-devel.In this update they have added a
no.dups
argument tomerge.data.frame()
. WhenTRUE
(default), this will add the correspondingsuffixes
to column names iny
that share a name withby.x
.This pull request adds this argument and functionality to
merge.data.table()
to make it consistent withmerge.data.frame()
, replacing the behaviour of the accepted PR #2631 which mademerge.data.table()
add suffixes to both theby.x
andy
columns that shared a name.