pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,l,a-l,1,,0.24662750769398345,$blah
d,l,d-l,-10,0.7028549421857689,0.23053804129850775,$null
e,l,e-l,97,0.41494242355134514,0.00256525935857721,$blah
b,l,b-l,-20,,,$null