diff -U3 /tmp/cirrus-ci-build/src/test/regress/expected/workmem.out /tmp/cirrus-ci-build/src/test/regress/results/workmem.out
--- /tmp/cirrus-ci-build/src/test/regress/expected/workmem.out	2025-03-16 11:18:08.750696852 +0000
+++ /tmp/cirrus-ci-build/src/test/regress/results/workmem.out	2025-03-16 11:23:54.557455409 +0000
@@ -207,9 +207,10 @@
 from (values (1, 1), (2, 2)) as t (a, b) where a = b
 group by grouping sets((a, b), (a));
 ');
-                            workmem_filter                            
-----------------------------------------------------------------------
+                                       workmem_filter                                       
+--------------------------------------------------------------------------------------------
  WindowAgg  (work_mem=N kB limit=4096 kB)
+   Window: w1 AS (ORDER BY "*VALUES*".column1, "*VALUES*".column2 ROWS UNBOUNDED PRECEDING)
    ->  Sort  (work_mem=N kB limit=4096 kB)
          Sort Key: "*VALUES*".column1, "*VALUES*".column2 NULLS FIRST
          ->  HashAggregate  (work_mem=N kB limit=8192 kB)
@@ -219,7 +220,7 @@
                      Filter: (column1 = column2)
  Total Working Memory: N kB
  Total Working Memory Limit: 16384 kB
-(10 rows)
+(11 rows)
 
 select a, b, row_number() over (order by a, b nulls first)
 from (values (1, 1), (2, 2)) as t (a, b) where a = b
@@ -240,9 +241,10 @@
 from (values (1, 1, 1, 1), (2, 2, 2, 2)) as t (a, b, c, d) where a = b
 group by grouping sets((a, b), (a), (b), (c), (d));
 ');
-                            workmem_filter                            
-----------------------------------------------------------------------
+                                       workmem_filter                                       
+--------------------------------------------------------------------------------------------
  WindowAgg  (work_mem=N kB limit=4096 kB)
+   Window: w1 AS (ORDER BY "*VALUES*".column1, "*VALUES*".column2 ROWS UNBOUNDED PRECEDING)
    ->  Sort  (work_mem=N kB limit=4096 kB)
          Sort Key: "*VALUES*".column1, "*VALUES*".column2 NULLS FIRST
          ->  GroupAggregate  (work_mem=N kB limit=8192 kB)
@@ -260,7 +262,7 @@
                            Filter: (column1 = column2)
  Total Working Memory: N kB
  Total Working Memory Limit: 20480 kB
-(18 rows)
+(19 rows)
 
 select a, b, row_number() over (order by a, b nulls first)
 from (values (1, 1, 1, 1), (2, 2, 2, 2)) as t (a, b, c, d) where a = b
@@ -544,12 +546,13 @@
 -------------------------------------------------------------------------------------
  Limit
    ->  WindowAgg  (work_mem=N kB limit=4096 kB)
+         Window: w1 AS (PARTITION BY ((a.n < 3)))
          ->  Sort  (work_mem=N kB limit=4096 kB)
                Sort Key: ((a.n < 3))
                ->  Function Scan on generate_series a  (work_mem=N kB limit=4096 kB)
  Total Working Memory: N kB
  Total Working Memory Limit: 12288 kB
-(7 rows)
+(8 rows)
 
 select sum(n) over(partition by m)
 from (SELECT n < 3 as m, n from generate_series(1,2000) a(n))