pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,r,a-r,60,0.6389494948660052,,$null
b,r,b-r,-100,0.33355653860508816,0.44183551186085057,$blah
c,r,c-r,22,0.0058960835839930725,0.8534479505691046,$null
d,r,d-r,44,,0.7644434453261942,$null
e,r,e-r,20,0.2650227795434089,0.692704598586882,$blah
f,r,f-r,52,,,$null
g,r,g-r,50,0.4004498163160871,,$null
h,r,h-r,-27,,0.4691101271554937,$null