viirya commented on code in PR #5260:
URL: https://github.com/apache/arrow-datafusion/pull/5260#discussion_r1104069998
##########
datafusion/core/src/physical_plan/file_format/parquet.rs:
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@@ -834,82 +834,116 @@ mod tests {
parquet_exec: Arc<ParquetExec>,
}
- /// writes each RecordBatch as an individual parquet file and re-reads
- /// the data back. Returns the data as [RecordBatch]es
- async fn round_trip_to_parquet(
- batches: Vec<RecordBatch>,
+ /// round-trip record batches by writing each individual RecordBatch to
+ /// a parquet file and then reading that parquet file with the specified
+ /// options
Review Comment:
```suggestion
/// round-trip record batches by writing each individual RecordBatch to
/// a parquet file and then reading that parquet file with the specified
/// options. If page_index_predicate is set to `true`, all RecordBatches
/// are written into a parquet file instead.
```
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