adriangb commented on code in PR #24670:
URL: https://github.com/apache/datafusion/pull/24670#discussion_r3919092679
##########
datafusion/physical-plan/src/projection.rs:
##########
@@ -1331,12 +1357,20 @@ pub fn update_join_filter(
fn try_collapse_projection_chain(
outer: &ProjectionExec,
) -> Result<Option<Arc<dyn ExecutionPlan>>> {
+ if outer.overrides_metadata()? {
+ return Ok(None);
+ }
Review Comment:
If you run some let me know how it goes. I'd be interested to know if it was
useful, and if so if any bugs were found, etc.
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