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 '%special%packages%'
		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 |   500017
      10 |    66167
       9 |    65174
      11 |    62194
       8 |    58472
      12 |    55692
      13 |    49983
       7 |    46555
      19 |    46522
      18 |    46410
      14 |    45237
      20 |    45185
      17 |    44967
      15 |    43941
      16 |    43820
      21 |    42370
      22 |    38009
       6 |    32911
      23 |    32574
      24 |    26746
      25 |    21119
       5 |    19641
      26 |    15876
      27 |    11639
       4 |    10047
      28 |     8175
      29 |     5632
       3 |     3984
      30 |     3707
      31 |     2391
      32 |     1486
       2 |     1202
      33 |      868
      34 |      488
      35 |      266
       1 |      233
      36 |      136
      37 |       88
      38 |       28
      39 |       21
      40 |       15
      42 |        4
      41 |        4
      43 |        2
      45 |        1
      44 |        1
(46 rows)

COMMIT;
COMMIT