pepijnve commented on code in PR #17419:
URL: https://github.com/apache/datafusion/pull/17419#discussion_r2337778725
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datafusion/sqllogictest/test_files/window.slt:
##########
@@ -3532,7 +3532,7 @@ physical_plan
01)BoundedWindowAggExec: wdw=[sum(multiple_ordered_table.a) ORDER BY
[multiple_ordered_table.b ASC NULLS LAST] RANGE BETWEEN UNBOUNDED PRECEDING AND
CURRENT ROW: Field { name: "sum(multiple_ordered_table.a) ORDER BY
[multiple_ordered_table.b ASC NULLS LAST] RANGE BETWEEN UNBOUNDED PRECEDING AND
CURRENT ROW", data_type: Int64, nullable: true, dict_id: 0, dict_is_ordered:
false, metadata: {} }, frame: RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT
ROW], mode=[Sorted]
02)--CoalesceBatchesExec: target_batch_size=4096
03)----FilterExec: b@2 = 0
-04)------DataSourceExec: file_groups={1 group:
[[WORKSPACE_ROOT/datafusion/core/tests/data/window_2.csv]]}, projection=[a0, a,
b, c, d], output_orderings=[[a@1 ASC NULLS LAST, b@2 ASC NULLS LAST], [c@3 ASC
NULLS LAST]], file_type=csv, has_header=true
+04)------DataSourceExec: file_groups={1 group:
[[WORKSPACE_ROOT/datafusion/core/tests/data/window_2.csv]]}, projection=[a0, a,
b, c, d], output_orderings=[[c@3 ASC NULLS LAST], [a@1 ASC NULLS LAST, b@2 ASC
NULLS LAST]], file_type=csv, has_header=true
Review Comment:
No, I didn't take the time to try to understand why. That's how they're
being emitted by the EquivalenceClass code. I had assumed the order was not
important, but if it is I can take a closer look.
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