edponce commented on a change in pull request #10721:
URL: https://github.com/apache/arrow/pull/10721#discussion_r672478576
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File path: cpp/src/arrow/compute/kernels/scalar_cast_test.cc
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@@ -1930,29 +1930,23 @@ TEST(Cast, DictTypeToAnotherDict) {
check_cast(dictionary(int32(), utf8()), dictionary(int8(), utf8()),
R"(["a", "b", "a", null])");
+ // check float types (NOTE: ArrayFromJSON doesnt work for float value
dictionary types)
Review comment:
@nirandaperera I submitted [this
PR](https://github.com/apache/arrow/pull/10746) that enables using
`ArrayFromJSON` for dictionaries with floating-point values. If PR passes and
gets merged, you can change test accordingly and remove error comment.
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