QUERY PLAN
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 Append  (cost=30833.12..1117248.88 rows=27596000 width=8)
   ->  Hash Join  (cost=30833.12..34917.13 rows=5000 width=8)
         Hash Cond: (check_test_div.id = inner_t.id)
         Join Filter: (check_test_div.id = inner_t.id)
         ->  Seq Scan on check_test_div  (cost=0.00..0.00 rows=1 width=12)
         ->  Hash  (cost=14425.50..14425.50 rows=1000050 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..14425.50 rows=1000050 width=8)
   ->  Hash Join  (cost=19488.25..216466.35 rows=5518200 width=8)
         Hash Cond: (check_test_div_0.id = inner_t.id)
         Join Filter: (check_test_div_0.id = inner_t.id)
         ->  Seq Scan on check_test_div_0  (cost=0.00..3289.28 rows=220728 width=12)
         ->  Hash  (cost=19425.75..19425.75 rows=5000 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..19425.75 rows=5000 width=8)
                     Filter: ((id % 5) = 0)
   ->  Hash Join  (cost=19488.25..216466.35 rows=5518200 width=8)
         Hash Cond: (check_test_div_1.id = inner_t.id)
         Join Filter: (check_test_div_1.id = inner_t.id)
         ->  Seq Scan on check_test_div_1  (cost=0.00..3289.28 rows=220728 width=12)
         ->  Hash  (cost=19425.75..19425.75 rows=5000 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..19425.75 rows=5000 width=8)
                     Filter: ((id % 5) = 1)
   ->  Hash Join  (cost=19488.25..216466.35 rows=5518200 width=8)
         Hash Cond: (check_test_div_2.id = inner_t.id)
         Join Filter: (check_test_div_2.id = inner_t.id)
         ->  Seq Scan on check_test_div_2  (cost=0.00..3289.28 rows=220728 width=12)
         ->  Hash  (cost=19425.75..19425.75 rows=5000 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..19425.75 rows=5000 width=8)
                     Filter: ((id % 5) = 2)
   ->  Hash Join  (cost=19488.25..216466.35 rows=5518200 width=8)
         Hash Cond: (check_test_div_3.id = inner_t.id)
         Join Filter: (check_test_div_3.id = inner_t.id)
         ->  Seq Scan on check_test_div_3  (cost=0.00..3289.28 rows=220728 width=12)
         ->  Hash  (cost=19425.75..19425.75 rows=5000 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..19425.75 rows=5000 width=8)
                     Filter: ((id % 5) = 3)
   ->  Hash Join  (cost=19488.25..216466.35 rows=5518200 width=8)
         Hash Cond: (check_test_div_4.id = inner_t.id)
         Join Filter: (check_test_div_4.id = inner_t.id)
         ->  Seq Scan on check_test_div_4  (cost=0.00..3289.28 rows=220728 width=12)
         ->  Hash  (cost=19425.75..19425.75 rows=5000 width=8)
               ->  Seq Scan on inner_t  (cost=0.00..19425.75 rows=5000 width=8)
                     Filter: ((id % 5) = 4)
(42 rows)