Dewey Dunnington created ARROW-15014:
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Summary: [R] No kernel for logical operations on integer storage
of boolean values
Key: ARROW-15014
URL: https://issues.apache.org/jira/browse/ARROW-15014
Project: Apache Arrow
Issue Type: Improvement
Components: R
Reporter: Dewey Dunnington
In R, we can use integers and doubles as input to logical functions. In Arrow,
there is no kernel for non-bool storage of logical values. This affects some of
our translations where we might want to cast to {{bool}} rather than error.
Perhaps not high priority, but ran into this when prototyping zero-copy
conversion of logicals to Arrow (since they're stored as an int32 array under
the hood).
A few examples:
{code:R}
library(arrow, warn.conflicts = FALSE)
library(dplyr, warn.conflicts = FALSE)
Scalar$create(0L) | Scalar$create(1L)
#> Error: NotImplemented: Function or_kleene has no kernel matching input types
(scalar[int32], scalar[int32])
#>
/Users/deweydunnington/Desktop/rscratch/arrow/cpp/src/arrow/compute/function.cc:215
DispatchBest(&inputs)
record_batch(numbers = c(0, 1, NA)) %>%
mutate(!numbers)
#> Error: NotImplemented: Function invert has no kernel matching input types
(array[double])
#>
/Users/deweydunnington/Desktop/rscratch/arrow/cpp/src/arrow/compute/exec/expression.cc:340
call.function->DispatchBest(&descrs)
tibble(numbers = c(0, 1, NA)) %>%
mutate(!numbers)
#> # A tibble: 3 × 2
#> numbers `!numbers`
#> <dbl> <lgl>
#> 1 0 TRUE
#> 2 1 FALSE
#> 3 NA NA
{code}
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