nealrichardson commented on a change in pull request #12316:
URL: https://github.com/apache/arrow/pull/12316#discussion_r806278437
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File path: r/src/compute-exec.cpp
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@@ -157,7 +158,33 @@ std::shared_ptr<compute::ExecNode> ExecNode_Scan(
arrow::dataset::ScanNodeOptions{dataset, options});
}
-#endif
+// [[dataset::export]]
+void ExecPlan_Write(const std::shared_ptr<compute::ExecPlan>& plan,
+ const std::shared_ptr<compute::ExecNode>& final_node,
+ const std::shared_ptr<ds::FileWriteOptions>&
file_write_options,
+ const std::shared_ptr<fs::FileSystem>& filesystem,
+ std::string base_dir,
+ const std::shared_ptr<ds::Partitioning>& partitioning,
+ std::string basename_template,
+ arrow::dataset::ExistingDataBehavior
existing_data_behavior,
+ int max_partitions) {
+ ds::FileSystemDatasetWriteOptions opts;
+ opts.file_write_options = file_write_options;
+ opts.existing_data_behavior = existing_data_behavior;
+ opts.filesystem = filesystem;
+ opts.base_dir = base_dir;
+ opts.partitioning = partitioning;
+ opts.basename_template = basename_template;
+ opts.max_partitions = max_partitions;
+
+ MakeExecNodeOrStop(
+ "write", final_node->plan(), {final_node.get()},
+ ds::WriteNodeOptions{std::move(opts),
std::move(final_node->output_schema())});
+
+ StopIfNotOk(plan->Validate());
+ StopIfNotOk(plan->StartProducing());
+ StopIfNotOk(plan->finished().status());
+}
// [[dataset::export]]
std::shared_ptr<compute::ExecNode> ExecNode_Filter(
Review comment:
Yes but we (currently) turn a Table into an InMemoryDataset. I guess we
could go through RecordBatchReader, which wouldn't require dataset (I can't
remember if I looked into that and found that it didn't work for some reason).
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