tustvold commented on code in PR #4280:
URL: https://github.com/apache/arrow-rs/pull/4280#discussion_r1205522919
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parquet/src/arrow/arrow_writer/mod.rs:
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@@ -152,43 +151,69 @@ impl<W: Write> ArrowWriter<W> {
self.writer.flushed_row_groups()
}
- /// Enqueues the provided `RecordBatch` to be written
+ /// Returns the length in bytes of the current in progress row group
+ pub fn in_progress_size(&self) -> usize {
Review Comment:
This is what will allow downstreams to flush early based on memory pressure,
whatever that means for them
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