[C++][Parquet] Add support for arrow::ArrayStatistics: zero-copy types

[kou]

Describe the enhancement requested

Subissue of #43549

For types of

arrow/cpp/src/parquet/arrow/reader_internal.cc

Lines 378 to 392 in 5ad0b3e

	std::shared_ptr<Array> TransferZeroCopy(RecordReader* reader,
	const std::shared_ptr<Field>& field) {
	std::shared_ptr<::arrow::ArrayData> data;
	if (field->nullable()) {
	std::vector<std::shared_ptr<Buffer>> buffers = {reader->ReleaseIsValid(),
	reader->ReleaseValues()};
	data = std::make_shared<::arrow::ArrayData>(field->type(), reader->values_written(),
	std::move(buffers), reader->null_count());
	} else {
	std::vector<std::shared_ptr<Buffer>> buffers = {nullptr, reader->ReleaseValues()};
	data = std::make_shared<::arrow::ArrayData>(field->type(), reader->values_written(),
	std::move(buffers), /*null_count=*/0);
	}
	return ::arrow::MakeArray(data);
	}

arrow/cpp/src/parquet/arrow/reader_internal.cc

Lines 796 to 800 in 5ad0b3e

	case ::arrow::Type::INT32:
	case ::arrow::Type::INT64:
	case ::arrow::Type::FLOAT:
	case ::arrow::Type::DOUBLE:
	result = TransferZeroCopy(reader, value_field);

• Int32
• Int64
• Float
• Double

arrow/cpp/src/parquet/arrow/reader_internal.cc

Lines 887 to 898 in 5ad0b3e

	case ::arrow::Type::TIMESTAMP: {
	const ::arrow::TimestampType& timestamp_type =
	checked_cast<::arrow::TimestampType&>(*value_field->type());
	if (descr->physical_type() == ::parquet::Type::INT96) {
	RETURN_NOT_OK(
	TransferInt96(reader, pool, value_field, &result, timestamp_type.unit()));
	} else {
	switch (timestamp_type.unit()) {
	case ::arrow::TimeUnit::MILLI:
	case ::arrow::TimeUnit::MICRO:
	case ::arrow::TimeUnit::NANO:
	result = TransferZeroCopy(reader, value_field);

• Timestamp[milli]
• Timestamp[micro]
• Timestamp[nano]

Component(s)

C++, Parquet

[kou]

Issue resolved by pull request 43984
#43984