andishgar commented on code in PR #46031:
URL: https://github.com/apache/arrow/pull/46031#discussion_r2053464398
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cpp/src/arrow/record_batch_test.cc:
##########
@@ -1423,37 +1453,140 @@ TEST_F(TestRecordBatch,
MakeStatisticsArrayMaxApproximate) {
AssertArraysEqual(*expected_statistics_array, *statistics_array, true);
}
-TEST_F(TestRecordBatch, MakeStatisticsArrayString) {
- auto schema =
- ::arrow::schema({field("no-statistics", boolean()), field("string",
utf8())});
- auto no_statistics_array = ArrayFromJSON(boolean(), "[true, false, true]");
- auto string_array_data = ArrayFromJSON(utf8(), "[\"a\", null,
\"c\"]")->data()->Copy();
- string_array_data->statistics = std::make_shared<ArrayStatistics>();
- string_array_data->statistics->is_max_exact = true;
- string_array_data->statistics->max = "c";
- auto string_array = MakeArray(std::move(string_array_data));
- auto batch = RecordBatch::Make(schema, string_array->length(),
- {no_statistics_array, string_array});
+template <typename DataType>
+class TestRecordBatchMakeStatisticsArrayStringBase {
+ public:
+ std::shared_ptr<::arrow::DataType> type(int byte_width = 1) {
+ if constexpr (std::is_same_v<DataType, FixedSizeBinaryType>) {
+ return fixed_size_binary(byte_width);
+ } else {
+ return TypeTraits<DataType>::type_singleton();
+ }
+ }
+ std::shared_ptr<Array> GenerateString(
+ const std::shared_ptr<::arrow::DataType>& dataType) {
+ if (dataType->id() == Type::FIXED_SIZE_BINARY) {
+ FixedSizeBinaryType* type =
static_cast<FixedSizeBinaryType*>(dataType.get());
+ int byte_width = type->byte_width();
Review Comment:
I checked it — it seems that byte_width() is already available for DataType,
so the following cast is redundant.
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