lidavidm commented on a change in pull request #11127:
URL: https://github.com/apache/arrow/pull/11127#discussion_r707565352
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File path: cpp/src/arrow/compute/kernels/vector_nested_test.cc
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@@ -51,6 +54,33 @@ TEST(TestVectorNested, ListFlattenChunkedArray) {
}
}
+TEST(TestVectorNested, ListFlattenFixedSizeList) {
+ for (auto ty : {fixed_size_list(int16(), 2), fixed_size_list(uint32(), 2)}) {
+ const auto& out_ty = checked_cast<const
FixedSizeListType&>(*ty).value_type();
+ {
+ auto input = ArrayFromJSON(ty, "[[0, null], null, [2, 3], [0, 42]]");
+ auto expected = ArrayFromJSON(out_ty, "[0, null, 2, 3, 0, 42]");
+ CheckVectorUnary("list_flatten", input, expected);
+
+ // Construct a list with a non-empty null slot
Review comment:
D'oh, thanks for catching this!
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