geoffreyclaude commented on code in PR #15560:
URL: https://github.com/apache/datafusion/pull/15560#discussion_r2027071698
##########
benchmarks/src/tpch/convert.rs:
##########
@@ -99,6 +110,11 @@ impl ConvertOpt {
if partitions > 1 {
csv =
csv.repartition(Partitioning::RoundRobinBatch(partitions))?
}
+ let csv = if self.sort {
+ csv.sort_by(vec![col(key_column_name)])?
Review Comment:
the `sort_by` means there is a single output partition, which translates to
a single output Parquet file. Enforce multiple files while maintaining the
ordering information needs something a bit more complex than the simple
original `ctx.write_parquet(...)`...
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