alamb commented on code in PR #15301:
URL: https://github.com/apache/datafusion/pull/15301#discussion_r2021737787
##########
datafusion/physical-plan/src/filter.rs:
##########
@@ -433,6 +433,22 @@ impl ExecutionPlan for FilterExec {
}
try_embed_projection(projection, self)
}
+
+ fn push_down_filter(
+ &self,
+ expr: Arc<dyn PhysicalExpr>,
+ ) -> Result<Option<Arc<dyn ExecutionPlan>>> {
+ let mut input = Arc::clone(&self.input);
+ if let Some(new_input) = input.push_down_filter(Arc::clone(&expr))? {
Review Comment:
Here is one way @crepererum we implemented filter pushdown in influxdb:
https://github.com/influxdata/influxdb3_core/blob/main/iox_query/src/physical_optimizer/predicate_pushdown.rs
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