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 |    66233
       9 |    65118
      11 |    62169
       8 |    58474
      12 |    55546
      13 |    50081
      19 |    46613
      18 |    46415
       7 |    46339
      14 |    45321
      20 |    45116
      17 |    44819
      16 |    43894
      15 |    43725
      21 |    42354
      22 |    38058
       6 |    32695
      23 |    32631
      24 |    26906
      25 |    21257
       5 |    19666
      26 |    15934
      27 |    11799
       4 |     9947
      28 |     8263
      29 |     5654
       3 |     3960
      30 |     3745
      31 |     2360
      32 |     1485
       2 |     1181
      33 |      886
      34 |      520
      35 |      277
       1 |      239
      36 |      136
      37 |       83
      38 |       33
      39 |       23
      40 |       14
      42 |        6
      41 |        5
      45 |        2
(44 rows)

COMMIT;
COMMIT