8000 R session crashes when assigning using by = .EACHI · Issue #744 · Rdatatable/data.table · GitHub
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nigmastar opened this issue Jul 31, 2014 · 3 comments
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R session crashes when assigning using by = .EACHI #744

nigmastar opened this issue Jul 31, 2014 · 3 comments
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@arunsrinivasan
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v1.9.4

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@nigmastar
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The current snippet crashes my r session when it gets to the last statement

library("data.table")
> sessionInfo()
R version 3.1.1 (2014-07-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=English_United Kingdom.1252 
[2] LC_CTYPE=English_United Kingdom.1252   
[3] LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C                           
[5] LC_TIME=English_United Kingdom.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods  
[7] base     

other attached packages:
[1] data.table_1.9.3

loaded via a namespace (and not attached):
[1] plyr_1.8.1    Rcpp_0.11.2   reshape2_1.4  stringr_0.6.2
[5] tools_3.1.1 

dt <- data.table(id = c("A", "A", "B", "B", "C"),
                 start = structure(c(12894, 15706, 14153, 14533, 14539), class = "Date"),
                 end = structure(c(15705, 15763, 14532, 14578, NA_real_), class = "Date"),
                 key = "id")

sample <- c("A", "B")

dt[sample,
   temp := c(start[-1L] - 1L, NA_real_),
   by = .EACHI]

Can you reproduce it?
@arunsrinivasan arunsrinivasan added this to the v1.9.4 milestone Jul 31, 2014
@arunsrinivasan
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Thanks a bunch for the minimal example! Reproducible. Added to 1.9.4 milestone.

@nigmastar
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my pleasure! Just to be precise, it also happens without any assignment.

dt[sample, c(start[-1L] - 1L, NA_real_), by = .EACHI]

@arunsrinivasan
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Thanks again, Michele. Reproducible as well.

@arunsrinivasan arunsrinivasan mentioned this issue Jul 31, 2014
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@arunsrinivasan arunsrinivasan self-assigned this Aug 3, 2014
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