jayshrivastava commented on code in PR #21807:
URL: https://github.com/apache/datafusion/pull/21807#discussion_r3157199259
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datafusion/physical-expr/src/expressions/dynamic_filters.rs:
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@@ -65,6 +65,10 @@ pub struct DynamicFilterPhysicalExpr {
/// If any of the children were remapped / modified (e.g. to adjust for
projections) we need to keep track of the new children
/// so that when we update `current()` in subsequent iterations we can
re-apply the replacements.
remapped_children: Option<Vec<Arc<dyn PhysicalExpr>>>,
+ /// Unique identifier for this dynamic filter.
+ ///
+ /// Derived filters (ex. via `with_new_children`) should inherit the
expression id of the source filter.
+ expression_id: u64,
/// The source of dynamic filters.
inner: Arc<RwLock<Inner>>,
Review Comment:
Just pushed a new commit moving the `expression_id` to `Inner`. Rebased as
well.
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