pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,u,a-u,-68,,0.2650566289400591,$null
d,u,d-u,-33,,0.551992245577759,$blah
e,u,e-u,13,,0.04599096867721275,$blah
f,u,f-u,99,0.36203897381751204,,$blah
c,u,c-u,-79,0.6427496480093358,0.18172902651343215,$null
b,u,b-u,-10,0.7801162418714427,,$null
g,u,g-u,-55,0.9512921405795819,0.7544458252469858,$blah