alamb commented on code in PR #24485:
URL: https://github.com/apache/datafusion/pull/24485#discussion_r3824022190
##########
datafusion/physical-expr-common/src/physical_expr.rs:
##########
@@ -93,12 +93,30 @@ pub trait PhysicalExpr: Any + Send + Sync + Display + Debug
+ DynEq + DynHash {
self.nullable(input_schema)?,
)))
}
- /// Evaluate an expression against a RecordBatch after first applying a
validity array
+ /// Evaluates this expression only for rows where `selection` is `true`.
Review Comment:
thank you for this
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