fix monotonicity for StreamEowcOverWindow

Signed-off-by: Richard Chien <[email protected]>

src/frontend/src/optimizer/plan_node/stream_eowc_over_window.rs

@@ -23,6 +23,7 @@ use super::stream::prelude::*;
 use super::utils::{impl_distill_by_unit, TableCatalogBuilder};
 use super::{ExprRewritable, PlanBase, PlanRef, PlanTreeNodeUnary, StreamNode};
 use crate::optimizer::plan_node::expr_visitable::ExprVisitable;
+use crate::optimizer::property::MonotonicityMap;
 use crate::stream_fragmenter::BuildFragmentGraphState;
 use crate::TableCatalog;
 
@@ -58,7 +59,8 @@ impl StreamEowcOverWindow {
             true,
             true,
             watermark_columns,
-            input.columns_monotonicity().clone(),
+            // we cannot derive monotonicity for any column for the same reason as watermark columns
+            MonotonicityMap::new(),
         );
         StreamEowcOverWindow { base, core }
     }