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bmerge errors on integer64 to double join
bit64
consistency
joins
Low
#4167
opened Jan 9, 2020 by
MichaelChirico
Triggered internal error with an expression in j while grouping
internals
Low
non-atomic column
e.g. list columns, S4 vector columns
#3708
opened Jul 18, 2019 by
MichaelChirico
Reshaping forces to reorder the columns.
feature request
Low
reshape
dcast melt
#2009
opened Jan 31, 2017 by
skanskan
Improve error message for DT[, new_col := ., by=g] when column type varies by group
enhancement
Low
#1787
opened Aug 1, 2016 by
franknarf1
Improve access to data.tables metadata -
tables()
, columns()
Low
#1648
opened Apr 14, 2016 by
jangorecki
Fuse melt/dcast in one step (= reshape2's recast functionality) in data.table
feature request
Low
#1511
opened Jan 31, 2016 by
jaapwalhout
data.table in j results in an error
bug
Low
non-atomic column
e.g. list columns, S4 vector columns
#1473
opened Dec 18, 2015 by
eantonya
Optimise issues relating to optimized grouping calculations (GForce)
Low
frank()
in GForce so as to avoid eval() penalty
enhancement
GForce
#1197
opened Jun 23, 2015 by
arunsrinivasan
Option for
unique
to _also_ delete first instance of any duplicated observation
feature request
Low
#1163
opened May 27, 2015 by
MichaelChirico
Consistency of variable names between DT[DT[,list()]] and DT[list()]
consistency
feature request
Low
#827
opened Sep 22, 2014 by
matthieugomez
lookup column should use Rle to be memory efficient in foverlaps
internals
Low
non-equi joins
rolling, overlapping, non-equi joins
#822
opened Sep 20, 2014 by
arunsrinivasan
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