Nachiket-Roy commented on code in PR #19633:
URL: https://github.com/apache/datafusion/pull/19633#discussion_r2701218155
##########
datafusion/catalog/src/table.rs:
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@@ -353,6 +353,14 @@ pub trait TableProvider: Debug + Sync + Send {
) -> Result<Arc<dyn ExecutionPlan>> {
not_impl_err!("UPDATE not supported for {} table", self.table_type())
}
+
+ /// Remove all rows from the table.
+ ///
+ /// Returns an [`ExecutionPlan`] producing a single row with `count`
(UInt64),
+ /// representing the number of rows removed.
Review Comment:
I’m not aware of any explicit validator for this in the current planner. If
an implementation returns a schema that doesn’t match what the planning or
execution stages expect, it surfaces as a planning or execution error rather
than passing silently. This is effectively enforced by the physical planning
layer
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