tustvold commented on code in PR #4278:
URL: https://github.com/apache/arrow-rs/pull/4278#discussion_r1204794460
##########
parquet/src/file/writer.rs:
##########
@@ -147,6 +148,18 @@ pub struct SerializedFileWriter<W: Write> {
kv_metadatas: Vec<KeyValue>,
}
+impl<W: Write> Debug for SerializedFileWriter<W> {
Review Comment:
FWIW `#[derive(Debug)]` on `TrackedWrite` would allow similar here, without
needing a manual impl. SerializedFileWriter doesn't contain any non-public
types on it
##########
parquet/src/arrow/arrow_writer/mod.rs:
##########
@@ -92,6 +93,31 @@ pub struct ArrowWriter<W: Write> {
max_row_group_size: usize,
}
+impl<W: Write> Debug for ArrowWriter<W> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ let mut buffered_batches = 0;
Review Comment:
I think buffered_batches is just `self.buffer.len()`?
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