maxburke commented on code in PR #23695:
URL: https://github.com/apache/datafusion/pull/23695#discussion_r4539914048
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datafusion/physical-plan/src/aggregates/aggregate_hash_table/common.rs:
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@@ -253,7 +274,13 @@ impl<AggrMode> AggregateHashTable<AggrMode> {
}
};
- let batch = output.next_batch(batch_size);
+ // Narrow internally-widened group key columns back to the output
+ // schema types. Each slice holds at most `batch_size` rows, so unlike
+ // the full materialized batch, the narrow representation fits.
+ let batch = output
+ .next_batch(batch_size)
Review Comment:
Done!
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