isichei commented on a change in pull request #10461: URL: https://github.com/apache/arrow/pull/10461#discussion_r646852666
########## File path: cpp/src/parquet/arrow/reader_internal.cc ########## @@ -742,20 +752,20 @@ Status TransferColumnData(RecordReader* reader, std::shared_ptr<DataType> value_ case ::arrow::Type::TIMESTAMP: { const ::arrow::TimestampType& timestamp_type = checked_cast<::arrow::TimestampType&>(*value_type); - switch (timestamp_type.unit()) { - case ::arrow::TimeUnit::MILLI: - case ::arrow::TimeUnit::MICRO: { - result = TransferZeroCopy(reader, value_type); - } break; - case ::arrow::TimeUnit::NANO: { - if (descr->physical_type() == ::parquet::Type::INT96) { - RETURN_NOT_OK(TransferInt96(reader, pool, value_type, &result)); - } else { + if (descr->physical_type() == ::parquet::Type::INT96) { + RETURN_NOT_OK(TransferInt96(reader, pool, value_type, &result, timestamp_type.unit())); + } + else { + switch (timestamp_type.unit()) { + case ::arrow::TimeUnit::SECOND: + case ::arrow::TimeUnit::MILLI: + case ::arrow::TimeUnit::MICRO: + case ::arrow::TimeUnit::NANO: { result = TransferZeroCopy(reader, value_type); - } - } break; - default: - return Status::NotImplemented("TimeUnit not supported"); + } break; + default: Review comment: I don't think so. I was just copying how others had written switch expressions in the existing codebase. Will remove 👍 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org