pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
c,o,c-o,-31,,0.23126147972818678,$null
c,u,c-u,-79,0.6427496480093358,0.18172902651343215,$null
c,z,c-z,-58,0.9637347441012087,0.11453287137889767,$null
c,g,c-g,72,0.47318618590932626,0.08479553672512175,$blah
c,a,c-a,52,0.43456375856464435,,$blah
c,c,c-c,-7,0.4312973996249869,,$blah
c,d,c-d,29,0.30928466220865325,,$blah
c,h,c-h,-77,0.7511381375407322,,$null
c,j,c-j,83,,,$blah
c,k,c-k,-44,0.9579660422795397,,$blah
c,p,c-p,80,0.21395287710598743,,$blah
c,x,c-x,99,,,$null