tustvold commented on code in PR #4280:
URL: https://github.com/apache/arrow-rs/pull/4280#discussion_r1207843459
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parquet/src/arrow/arrow_writer/mod.rs:
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@@ -152,43 +147,75 @@ 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:
I need to think about how best to support an upper bound, we don't currently
expose this information. I had assumed, perhaps incorrectly, that an order of
magnitude value was sufficient. Ultimately if your at a point where an
individual page matters, you're going to have problems...
If the motivation is testing, you could always artificially lower the
maximum page size
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