mkleen commented on code in PR #23605:
URL: https://github.com/apache/datafusion/pull/23605#discussion_r3600798166
##########
datafusion/physical-plan/src/joins/cross_join.rs:
##########
@@ -186,8 +186,32 @@ impl CrossJoinExec {
/// operators on the join's children. Check
[`super::HashJoinExec::swap_inputs`]
/// for more details.
pub fn swap_inputs(&self) -> Result<Arc<dyn ExecutionPlan>> {
- let new_join =
- CrossJoinExec::new(Arc::clone(&self.right),
Arc::clone(&self.left));
+ // Rebuild schema with columns from right to left, preserve existing
metadata
Review Comment:
Yes!
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