paleolimbot commented on a change in pull request #11652:
URL: https://github.com/apache/arrow/pull/11652#discussion_r748217770
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File path: r/R/arrow-datum.R
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@@ -102,8 +102,18 @@ eval_array_expression <- function(FUN,
args <- map(args, ~ .$cast(float64()))
} else if (FUN == "%/%") {
# In R, integer division works like floor(float division)
- out <- eval_array_expression("/", args = args, options = options)
- return(out$cast(int32(), allow_float_truncate = TRUE))
+ out <- eval_array_expression("/", args = args)
+
+ # integer output only for all integer input
+ int_type_ids <- Type[toupper(INTEGER_TYPES)]
+ numerator_is_int <- args[[1]]$type_id() %in% int_type_ids
+ denominator_is_int <- args[[2]]$type_id() %in% int_type_ids
Review comment:
I'm hesitant to do that because this code got copy/pasted to the Ops for
Datum where that won't work (but `type_id()` does because Datum has that
method).
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