pk1,pk2,content,sortable,sortable_with_nulls,sortable_with_nulls_2,text
a,s,a-s,53,0.3241560570046731,0.8787218778231842,$null
d,s,d-s,98,0.5225725351302178,0.2973531325173874,$blah
e,s,e-s,-19,0.6267991790079878,,$null
f,s,f-s,69,0.866447888506801,0.7899846642347539,$null