westonpace commented on code in PR #15211:
URL: https://github.com/apache/arrow/pull/15211#discussion_r1067452770
##########
r/tests/testthat/test-Array.R:
##########
@@ -1321,3 +1321,19 @@ test_that("Array to C-interface", {
delete_arrow_schema(schema_ptr)
delete_arrow_array(array_ptr)
})
+
+test_that("direct creation of Decimal Arrays (ARROW-11631)", {
Review Comment:
True, you can't do proper round trip if there is no native decimals. I see
now my confusion. I read `Array$create(1, type = decimal128(10, 2))` too
quickly and thought it was creating an Arrow scalar from a single R value. I
didn't realize it was treating `1` as an array of size 1.
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