jonkeane commented on a change in pull request #12113:
URL: https://github.com/apache/arrow/pull/12113#discussion_r830133635
##########
File path: r/tests/testthat/test-dplyr-join.R
##########
@@ -248,6 +247,68 @@ test_that("arrow dplyr query correctly filters then
joins", {
)
})
+test_that("suffix", {
+ left_suf <- Table$create(
+ key = c(1, 2),
+ left_unique = c(2.1, 3.1),
+ shared = c(10.1, 10.3)
+ )
+
+ right_suf <- Table$create(
+ key = c(1, 2, 3, 10, 20),
+ right_unique = c(1.1, 1.2, 3.1, 4.1, 4.3),
+ shared = c(20.1, 30, 40, 50, 60)
+ )
+
+ join_op <- inner_join(left_suf, right_suf, by = "key", suffix = c("_left",
"_right"))
+ output <- collect(join_op)
+ res_col_names <- names(output)
+ expected_col_names <- c("key", "left_unique", "shared_left", "right_unique",
"shared_right")
+ expect_equal(expected_col_names, res_col_names)
+})
+
+test_that("suffix and implicit schema", {
+ left_suf <- Table$create(
+ key = c(1, 2),
+ left_unique = c(2.1, 3.1),
+ shared = c(10.1, 10.3)
+ )
+
+ right_suf <- Table$create(
+ key = c(1, 2, 3, 10, 20),
+ right_unique = c(1.1, 1.2, 3.1, 4.1, 4.3),
+ shared = c(20.1, 30, 40, 50, 60)
+ )
+
+ join_op <- inner_join(left_suf, right_suf, by = "key", suffix = c("_left",
"_right"))
+ output <- collect(join_op)
+ impl_schema <- implicit_schema(join_op)
Review comment:
```suggestion
```
Minor, but I don't think you actually use `impl_schema` below, yeah?
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