BEGIN;
BEGIN
select
	c_count,
	count(*) as custdist
from
	(
		select
			c_custkey,
			count(o_orderkey)
		from
			customer left outer join orders on
				c_custkey = o_custkey
				and o_comment not like '%pending%requests%'
		group by
			c_custkey
	) as c_orders (c_custkey, c_count)
group by
	c_count
order by
	custdist desc,
	c_count desc;
 c_count | custdist 
---------+----------
       0 |   500018
      10 |    66171
       9 |    65146
      11 |    62093
       8 |    58468
      12 |    55871
      13 |    49973
      19 |    46645
      18 |    46459
       7 |    46284
      20 |    45132
      14 |    45030
      17 |    44938
      15 |    43932
      16 |    43814
      21 |    42351
      22 |    37941
       6 |    32735
      23 |    32721
      24 |    26835
      25 |    21166
       5 |    19710
      26 |    15999
      27 |    11787
       4 |     9854
      28 |     8317
      29 |     5653
       3 |     4001
      30 |     3758
      31 |     2328
      32 |     1493
       2 |     1170
      33 |      882
      34 |      505
      35 |      282
       1 |      235
      36 |      145
      37 |       71
      38 |       40
      39 |       19
      40 |       15
      41 |        6
      42 |        4
      45 |        2
      43 |        1
(45 rows)

COMMIT;
COMMIT