fix: allow reduce and list comprehensions in LIMIT and SKIP

regress/expected/age_reduce.out

@@ -833,6 +833,22 @@ $$) AS (result agtype);
  {"any": 2, "none": 3, "reduce": 1}
 (1 row)
 
+SELECT * FROM cypher('reduce', $$
+    RETURN 1 LIMIT reduce(a = 1, b IN [0] | a + b)
+$$) AS (result agtype);
+ result 
+--------
+ 1
+(1 row)
+
+SELECT * FROM cypher('reduce', $$
+    RETURN 1 SKIP reduce(a = 0, b IN [0] | a + b)
+$$) AS (result agtype);
+ result 
+--------
+ 1
+(1 row)
+
 --
 -- Cleanup
 --

regress/expected/list_comprehension.out

@@ -842,6 +842,18 @@ SELECT * FROM cypher('list_comprehension', $$ UNWIND [null, 1] AS x RETURN x, x
  1 | false | true
 (2 rows)
 
+SELECT * FROM cypher('list_comprehension', $$ RETURN 1 LIMIT [x IN [1] | x][0] $$) AS (result agtype);
+ result 
+--------
+ 1
+(1 row)
+
+SELECT * FROM cypher('list_comprehension', $$ RETURN 1 SKIP [x IN [0] | x][0] $$) AS (result agtype);
+ result 
+--------
+ 1
+(1 row)
+
 -- Clean up
 SELECT * FROM drop_graph('list_comprehension', true);
 NOTICE:  drop cascades to 4 other objects

regress/sql/age_reduce.sql

@@ -542,6 +542,14 @@ SELECT * FROM cypher('reduce', $$
     RETURN {reduce: 1, any: 2, none: 3}
 $$) AS (result agtype);
 
+SELECT * FROM cypher('reduce', $$
+    RETURN 1 LIMIT reduce(a = 1, b IN [0] | a + b)
+$$) AS (result agtype);
+
+SELECT * FROM cypher('reduce', $$
+    RETURN 1 SKIP reduce(a = 0, b IN [0] | a + b)
+$$) AS (result agtype);
+
 --
 -- Cleanup
 --

regress/sql/list_comprehension.sql

@@ -202,5 +202,8 @@ SELECT * FROM cypher('list_comprehension', $$ RETURN [x IN [null, 1] WHERE x IS
 SELECT * FROM cypher('list_comprehension', $$ RETURN [x IN [1, 2, 3] WHERE x IS NULL] $$) AS (result agtype);
 SELECT * FROM cypher('list_comprehension', $$ UNWIND [null, 1] AS x RETURN x, x IS NULL, x IS NOT NULL $$) AS (x agtype, a agtype, b agtype);
 
+SELECT * FROM cypher('list_comprehension', $$ RETURN 1 LIMIT [x IN [1] | x][0] $$) AS (result agtype);
+SELECT * FROM cypher('list_comprehension', $$ RETURN 1 SKIP [x IN [0] | x][0] $$) AS (result agtype);
+
 -- Clean up
 SELECT * FROM drop_graph('list_comprehension', true);

src/backend/parser/cypher_expr.c

@@ -2621,6 +2621,8 @@ static Node *transform_SubLink(cypher_parsestate *cpstate, SubLink *sublink)
         case EXPR_KIND_FROM_SUBSELECT:
         case EXPR_KIND_WHERE:
         case EXPR_KIND_INSERT_TARGET:
+        case EXPR_KIND_LIMIT:
+        case EXPR_KIND_OFFSET:
             /* okay */
             break;
         default: