pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
e,g,e-g,94,,0.43811609507237825,$blah
f,g,f-g,91,0.8703969593250397,,$blah
g,g,g-g,-93,0.1804160719608544,,$null
h,g,h-g,30,,0.9511693135961343,$null