viirya commented on code in PR #178:
URL:
https://github.com/apache/arrow-datafusion-comet/pull/178#discussion_r1527659428
##########
core/src/execution/datafusion/planner.rs:
##########
@@ -1026,6 +1106,16 @@ impl From<ExpressionError> for DataFusionError {
}
}
+/// Returns true if given operator can return input array as output array
without
+/// modification. This is used to determine if we need to copy the input batch
to avoid
+/// data corruption from reusing the input batch.
+fn op_reuse_array(op: &Arc<dyn ExecutionPlan>) -> bool {
Review Comment:
Ok
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