sanjibansg commented on a change in pull request #12530:
URL: https://github.com/apache/arrow/pull/12530#discussion_r821919737
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File path: cpp/src/arrow/dataset/dataset_writer.cc
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@@ -468,13 +485,15 @@ class DatasetWriter::DatasetWriterImpl : public
util::AsyncDestroyable {
}
Future<> DoWriteRecordBatch(std::shared_ptr<RecordBatch> batch,
- const std::string& directory) {
+ const std::string& directory, const std::string&
prefix) {
ARROW_ASSIGN_OR_RAISE(
auto dir_queue_itr,
::arrow::internal::GetOrInsertGenerated(
- &directory_queues_, directory, [this, &batch](const std::string&
dir) {
- return DatasetWriterDirectoryQueue::Make(
- &task_group_, write_options_, &writer_state_,
batch->schema(), dir);
+ &directory_queues_, directory + prefix,
+ [this, &batch, &directory, &prefix](const std::string& dir) {
Review comment:
Made the change.
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