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Save .Last.updated after each := #1885

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mattdowle opened this issue Oct 19, 2016 · 0 comments · Fixed by #3460
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@mattdowle mattdowle commented Oct 19, 2016

Similar to base R's .Last.value, data.table could save .Last.updated holding the number of rows updated by the last :=. This could be used afterwards in production code to check that if row updates are expected then they occur and for reporting and logging.

jangorecki added a commit that referenced this issue Mar 17, 2019
@jangorecki jangorecki self-assigned this Apr 24, 2019
@mattdowle mattdowle added this to the 1.12.4 milestone Apr 26, 2019
mattdowle added a commit that referenced this issue Apr 26, 2019
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