library(data.table)
dt <- data.table(
x = c(1L, 2L)
)
dt[x == 1L, y:=bit64::as.integer64(5)][]
#> x y
#> 1: 1 5
#> 2: 2 9218868437227407266
str(dt)
#> Classes 'data.table' and 'data.frame': 2 obs. of 2 variables:
#> $ x: int 1 2
#> $ y:integer64 5 9218868437227407266
#> - attr(*, ".internal.selfref")=<externalptr>
#> - attr(*, "index")= atomic
#> ..- attr(*, "__x")= int
Created on 2019-07-23 by the reprex package (v0.2.1)
Session info
devtools::session_info()
#> - Session info ----------------------------------------------------------
#> setting value
#> version R version 3.4.4 (2018-03-15)
#> os Windows 7 x64 SP 1
#> system x86_64, mingw32
#> ui RTerm
#> language (EN)
#> collate Chinese (Simplified)_People's Republic of China.936
#> ctype Chinese (Simplified)_People's Republic of China.936
#> tz Asia/Taipei
#> date 2019-07-23
#>
#> - Packages --------------------------------------------------------------
#> package * version date lib source
#> assertthat 0.2.1 2019-03-21 [1] CRAN (R 3.4.4)
#> backports 1.1.3 2018-12-14 [1] CRAN (R 3.4.4)
#> bit 1.1-14 2018-05-29 [1] CRAN (R 3.4.4)
#> bit64 0.9-7 2017-05-08 [1] CRAN (R 3.4.0)
#> callr 3.2.0 2019-03-15 [1] CRAN (R 3.4.4)
#> cli 1.1.0 2019-03-19 [1] CRAN (R 3.4.4)
#> crayon 1.3.4 2017-09-16 [1] CRAN (R 3.4.4)
#> data.table * 1.12.3 2019-07-08 [1] local
#> desc 1.2.0 2018-05-01 [1] CRAN (R 3.4.4)
#> devtools 2.0.1 2018-10-26 [1] CRAN (R 3.4.4)
#> digest 0.6.18 2018-10-10 [1] CRAN (R 3.4.4)
#> evaluate 0.13 2019-02-12 [1] CRAN (R 3.4.4)
#> fs 1.2.7 2019-03-19 [1] CRAN (R 3.4.4)
#> glue 1.3.1 2019-03-12 [1] CRAN (R 3.4.4)
#> highr 0.8 2019-03-20 [1] CRAN (R 3.4.4)
#> htmltools 0.3.6.9000 2018-05-07 [1] local
#> knitr 1.22 2019-03-08 [1] CRAN (R 3.4.4)
#> magrittr 1.5 2014-11-22 [1] CRAN (R 3.4.4)
#> memoise 1.1.0 2017-04-21 [1] CRAN (R 3.4.4)
#> pkgbuild 1.0.3 2019-03-20 [1] CRAN (R 3.4.4)
#> pkgload 1.0.2 2018-10-29 [1] CRAN (R 3.4.4)
#> prettyunits 1.0.2 2015-07-13 [1] CRAN (R 3.4.1)
#> processx 3.3.0 2019-03-10 [1] CRAN (R 3.4.4)
#> ps 1.3.0 2018-12-21 [1] CRAN (R 3.4.4)
#> R6 2.4.0 2019-02-14 [1] CRAN (R 3.4.4)
#> Rcpp 1.0.1 2019-03-17 [1] CRAN (R 3.4.4)
#> remotes 2.0.2 2018-10-30 [1] CRAN (R 3.4.4)
#> rlang 0.3.3 2019-03-29 [1] CRAN (R 3.4.4)
#> rmarkdown 1.12 2019-03-14 [1] CRAN (R 3.4.4)
#> rprojroot 1.3-2 2018-01-03 [1] CRAN (R 3.4.3)
#> sessioninfo 1.1.1 2018-11-05 [1] CRAN (R 3.4.4)
#> stringi 1.4.3 2019-03-12 [1] CRAN (R 3.4.4)
#> stringr 1.4.0 2019-02-10 [1] CRAN (R 3.4.4)
#> testthat 2.1.1.9000 2019-06-22 [1] local
#> usethis 1.4.0 2018-08-14 [1] CRAN (R 3.4.4)
#> withr 2.1.2 2018-03-15 [1] CRAN (R 3.4.4)
#> xfun 0.6 2019-04-02 [1] CRAN (R 3.4.4)
#> yaml 2.2.0 2018-07-25 [1] CRAN (R 3.4.4)
#>
#> [1] D:/app/R_lib/3.1
#> [2] D:/app/R/library
Created on 2019-07-23 by the reprex package (v0.2.1)
Session info