pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,d,e-d,-59,0.3298036635789654,0.4004522548136564,$null
f,d,f-d,60,,0.4408231901628116,$blah
g,d,g-d,84,0.051446079972376046,,$null
h,d,h-d,-15,0.08150198744788395,0.6560547180360552,$blah