Fix incorrect keying of by= results involving functions of keys #6708
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #6708 +/- ##
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Coverage 98.62% 98.62%
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Files 79 79
Lines 14631 14642 +11
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+ Hits 14430 14441 +11
Misses 201 201 ☔ View full report in Codecov by Sentry. |
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Generated via commit 3177ed1 Download link for the artifact containing the test results: ↓ atime-results.zip
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tdhock
approved these changes
Jan 17, 2025
| # For #5583, we also ensure there are no function calls in by (which might break sortedness) | ||
| if (is.name(bysub)) return(TRUE) | ||
| if (identical(bysub[[1L]], quote(list))) bysub = bysub[-1L] | ||
| if (length(all.names(bysub)) > length(byvars)) return(FALSE) |
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nice refactor and helper function name!
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Closes #5583.
In principal this could be a breaking change for some user that has
by = .(a = foo(a))whereais the key andfoo()is weakly increasing.If we find any such case in revdeps, I will bump this change to 1.18.0 (there is a known workaround for the bug, i.e. use
keyby=, and the bug appears to have taken quite some time to surface) and push the breaking change in next release. As a breaking change, the fix is also trivial (switch tokeyby=).