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 |    66246
       9 |    65229
      11 |    62181
       8 |    58529
      12 |    55501
      13 |    50123
      19 |    46636
      18 |    46541
       7 |    46500
      14 |    45356
      20 |    45093
      17 |    44825
      16 |    43997
      15 |    43712
      21 |    42252
      22 |    37968
       6 |    32856
      23 |    32563
      24 |    26724
      25 |    21204
       5 |    19712
      26 |    15834
      27 |    11705
       4 |    10012
      28 |     8193
      29 |     5594
       3 |     3992
      30 |     3695
      31 |     2355
      32 |     1462
       2 |     1189
      33 |      877
      34 |      515
      35 |      269
       1 |      244
      36 |      138
      37 |       78
      38 |       32
      39 |       24
      40 |       13
      42 |        6
      41 |        5
      45 |        2
(44 rows)

COMMIT;
COMMIT