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full_join returns a data frame #16

hadley opened this issue Mar 8, 2016 · 1 comment


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@hadley hadley commented Mar 8, 2016

Moved from tidyverse/dplyr#1042, by @jcfisher


dt1 <- data.table::data.table(x = 1:3, y = 3:1, key = "x")
dt2 <- data.table::data.table(x = 1:3, z = 1:3, key = "x")

class(left_join(dt1, dt2, by = "x"))
class(full_join(dt1, dt2, by = "x"))

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@krlmlr krlmlr commented Mar 8, 2016

Same with right join.

@krlmlr krlmlr closed this in #19 Jun 19, 2016
krlmlr added a commit that referenced this issue Jun 19, 2016
- Join returns data.table (#16, #19).
krlmlr pushed a commit that referenced this issue Jun 19, 2016
Kirill Müller
- `distinct()` gains `.keep_all` argument (#30, #31).
- Slightly improve test coverage (#6).
- Install `devtools` from GitHub on Travis (#32).
- Joins return `data.table`. Right and full join are now implemented (#16, #19).
- Remove warnings from tests (#4).
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