2 -----------------------------------------------------------------
3 Nested Loop (cost=xxx rows=1 width=88)
4 Join Filter: (t1.c1 = t2.c1)
5 -> Function Scan on f1 t1 (cost=xxx rows=1 width=44)
6 -> Function Scan on f1 t2 (cost=xxx rows=1 width=44)
10 -----------------------------------------------------------------
11 Nested Loop (cost=xxx rows=1 width=88)
12 Join Filter: (t1.c1 = t2.c1)
13 -> Function Scan on f1 t1 (cost=xxx rows=1 width=44)
14 -> Function Scan on f1 t2 (cost=xxx rows=1 width=44)