jayshrivastava commented on code in PR #21807:
URL: https://github.com/apache/datafusion/pull/21807#discussion_r3139949668
##########
datafusion/physical-expr/src/expressions/dynamic_filters.rs:
##########
@@ -495,9 +377,67 @@ impl DynamicFilterPhysicalExpr {
}
/// Generate a new expression id for this filter.
- pub fn new_expression_id() -> u64 {
+ fn new_expression_id() -> u64 {
random::<u64>()
}
+
+ /// Return the filter's original children (before any remapping).
+ pub fn original_children(&self) -> &[Arc<dyn PhysicalExpr>] {
+ &self.children
+ }
+
+ /// Return the filter's remapped children, if any have been set via
+ /// [`PhysicalExpr::with_new_children`].
+ pub fn remapped_children(&self) -> Option<&[Arc<dyn PhysicalExpr>]> {
+ self.remapped_children.as_deref()
+ }
Review Comment:
Done
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