andygrove commented on code in PR #816:
URL: https://github.com/apache/datafusion-comet/pull/816#discussion_r1714440084
##########
native/core/src/execution/datafusion/planner.rs:
##########
@@ -1205,15 +1210,15 @@ impl PhysicalPlanner {
// to copy the input batch to avoid the data corruption from reusing
the input
// batch.
let left = if can_reuse_input_batch(&left) {
- Arc::new(CopyExec::new(left))
+ Arc::new(CopyExec::new(left, CopyMode::UnpackOrDeepCopy))
} else {
- left
+ Arc::new(CopyExec::new(left, CopyMode::UnpackOrClone))
Review Comment:
We need to unpack dictionaries before joins currently
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