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distinct() does not work if a column of the tbl is a list column #3088

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dkincaid opened this issue Sep 6, 2017 · 1 comment

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bug

dkincaid commented Sep 6, 2017

If a data frame contains a list column then distinct is not working. It simply returns all rows.

library(tibble)
library(dplyr)
testTbl <- tibble(a=c("1", "1", "2", "2", "3","3"), b=c(list("A"), list("A"), list("B"), list("B"), list("C"), list("C")))
testTblDistinct <- testTbl %>% distinct()

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krlmlr commented Sep 15, 2017

Thanks, confirmed. This is related to #2355, but we should emit an error or at least a warning here for the time being.

krlmlr added bug data frame labels

foo-bar-baz-qux mentioned this issue

Add warning if any of the selected columns for distinct() are of type list #3123

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hadley closed this as completed in #3123

cderv mentioned this issue

distinct() fails to identify duplicates when a list column is included #3348

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