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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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@jangorecki
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feature request
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1.12.4

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@mattdowle
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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
.Last.update integer value in .GlobalEnv after :=, #1885
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@jangorecki jangorecki mentioned this issue Mar 17, 2019
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@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
@jangorecki @mattdowle
.Last.updated value after :=, closes #1885 (#3460)
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This was referenced May 9, 2019
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