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 |    66195
       9 |    65215
      11 |    62104
       8 |    58627
      12 |    55846
      13 |    49911
      19 |    46706
      18 |    46444
       7 |    46371
      20 |    45155
      14 |    45055
      17 |    45049
      15 |    43967
      16 |    43905
      21 |    42266
      22 |    37879
       6 |    32887
      23 |    32551
      24 |    26772
      25 |    21023
       5 |    19821
      26 |    15910
      27 |    11682
       4 |     9890
      28 |     8281
      29 |     5597
       3 |     4035
      30 |     3695
      31 |     2312
      32 |     1484
       2 |     1177
      33 |      860
      34 |      501
      35 |      276
       1 |      236
      36 |      143
      37 |       69
      38 |       38
      39 |       19
      40 |       15
      41 |        6
      42 |        4
      45 |        1
      44 |        1
      43 |        1
(46 rows)

COMMIT;
COMMIT