alamb commented on code in PR #4946:
URL: https://github.com/apache/arrow-datafusion/pull/4946#discussion_r1072255043
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datafusion/core/src/physical_plan/union.rs:
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@@ -247,6 +247,30 @@ impl ExecutionPlan for UnionExec {
}
}
+ fn maintains_input_order(&self) -> bool {
+ let first_input_ordering = self.inputs[0].output_ordering();
Review Comment:
This is basically exactly what was suggested by @mustafasrepo with a
slightly modified comment
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