viirya commented on code in PR #8731:
URL: https://github.com/apache/arrow-datafusion/pull/8731#discussion_r1442065241
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datafusion/sqllogictest/test_files/repartition_scan.slt:
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@@ -63,6 +63,26 @@ CoalesceBatchesExec: target_batch_size=8192
--FilterExec: column1@0 != 42
----ParquetExec: file_groups={4 groups:
[[WORKSPACE_ROOT/datafusion/sqllogictest/test_files/scratch/repartition_scan/parquet_table/2.parquet:0..101],
[WORKSPACE_ROOT/datafusion/sqllogictest/test_files/scratch/repartition_scan/parquet_table/2.parquet:101..202],
[WORKSPACE_ROOT/datafusion/sqllogictest/test_files/scratch/repartition_scan/parquet_table/2.parquet:202..303],
[WORKSPACE_ROOT/datafusion/sqllogictest/test_files/scratch/repartition_scan/parquet_table/2.parquet:303..403]]},
projection=[column1], predicate=column1@0 != 42,
pruning_predicate=column1_min@0 != 42 OR 42 != column1_max@1
+# disable round robin repartitioning
+statement ok
+set datafusion.optimizer.enable_round_robin_repartition = false;
+
+## Expect to see the scan read the file as "4" groups with even sizes
(offsets) again
+query TT
+EXPLAIN SELECT column1 FROM parquet_table WHERE column1 <> 42;
+----
Review Comment:
I verified that this test case fails on current `main` branch.
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