setDT should be more careful on altering its input
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
Research direction
Start with the setDT entry point and run the R reproduction shown in the issue, then compare the related issues #4240, #2487, #1916, #1244, and #683. Done means setDT(list(c = x))[] no longer removes the names attribute from the original vector x.
Written by the indexing model from the issue text.
Description
setDT remove names attribute from input vector, that should not happen.
x = c(a = 4, b = 5)
setDT(list(c = x))[]
names(x)
Related
#4240
https://github.com/Rdatatable/data.table/issues/2487
https://github.com/Rdatatable/data.table/issues/1916
https://github.com/Rdatatable/data.table/issues/1244
https://github.com/Rdatatable/data.table/issues/683
- Dominant language
- R
- Stars
- 3.9k
- Forks
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- Avg merge
- 14h 4m
- Merged PRs (30d)
- 4
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
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- Open a pull request that references the issue number.
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