From efc21c35a0a9d22aa5842953087c177468d2f2b6 Mon Sep 17 00:00:00 2001 From: Benjamin Schwendinger Date: Sat, 30 Nov 2024 17:28:06 +0100 Subject: [PATCH] add NEWS --- NEWS.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/NEWS.md b/NEWS.md index 4236e8b07..bd6da3d2b 100644 --- a/NEWS.md +++ b/NEWS.md @@ -115,6 +115,8 @@ rowwiseDT( 15. `DT[1, on=NULL]` now works for returning the first row, [#6579](https://github.com/Rdatatable/data.table/issues/6579). Thanks to @Kodiologist for the report and @tdhock for the PR. +16. Joins on multiple columns, such as `x[y, on=c("x1==y1", "x2==y1")]`, could fail during type coercions if `x1` and `x2` had different but still compatible types, [#6602](https://github.com/Rdatatable/data.table/issues/6602). This was particularly unexpected when all columns `x1, x2, and y1` were of the same class e.g. `Date` but differed in their underlying types. Thanks to Benjamin Schwendinger for the report and the fix. + ## NOTES 1. Tests run again when some Suggests packages are missing, [#6411](https://github.com/Rdatatable/data.table/issues/6411). Thanks @aadler for the note and @MichaelChirico for the fix.