pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,b,a-b,51,,0.6020187290499803,$null
b,b,b-b,86,,,$blah
c,b,c-b,47,0.19007877450229604,0.9255751654990827,$null
d,b,d-b,-81,,0.772480884951224,$null
e,b,e-b,47,0.040231673144616176,0.518963840987604,$null
f,b,f-b,44,,0.9106169537187105,$null
g,b,g-b,-77,,,$null
h,b,h-b,-28,0.7744647885737355,0.7892269315636647,$blah