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%accounts%'
		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 |   500016
      10 |    66030
       9 |    65102
      11 |    62412
       8 |    58457
      12 |    55608
      13 |    49841
      19 |    46565
       7 |    46245
      18 |    46234
      14 |    45428
      20 |    45257
      17 |    45012
      16 |    44131
      15 |    43508
      21 |    42249
      22 |    38138
       6 |    32805
      23 |    32647
      24 |    26776
      25 |    21199
       5 |    19701
      26 |    16117
      27 |    11731
       4 |     9856
      28 |     8284
      29 |     5690
       3 |     3992
      30 |     3709
      31 |     2368
      32 |     1519
       2 |     1187
      33 |      859
      34 |      495
      35 |      281
       1 |      239
      36 |      142
      37 |       85
      38 |       36
      39 |       22
      40 |       14
      42 |        4
      41 |        4
      43 |        3
      45 |        1
      44 |        1
(46 rows)

COMMIT;
COMMIT