Fix precondition in `validate-order-by!`
Fix precondition in `validate-order-by!`

wkalt/puppetdb,waynr/puppetdb,wkalt/puppetdb,rbrw/puppetdb,highb/puppetdb,cprice404/puppetdb,senior/puppetdb,mullr/puppetdb,cprice404/puppetdb,kbarber/puppetdb,rbrw/puppetdb,senior/puppetdb,senior/puppetdb,wkalt/puppetdb,waynr/puppetdb,highb/puppetdb,mullr/puppetdb,kbarber/puppetdb,shrug/puppetdb,highb/puppetdb,kbrezina/puppetdb,kbrezina/puppetdb,cprice404/puppetdb,grimradical/puppetdb,shrug/puppetdb,senior/puppetdb,kbarber/puppetdb,mullr/puppetdb,johnduarte/puppetdb,highb/puppetdb,ajroetker/puppetdb,puppetlabs/puppetdb,rbrw/puppetdb,kbrezina/puppetdb,johnduarte/puppetdb,shrug/puppetdb,puppetlabs/puppetdb,puppetlabs/puppetdb,ajroetker/puppetdb,mullr/puppetdb,grimradical/puppetdb,ajroetker/puppetdb,rbrw/puppetdb,waynr/puppetdb,ajroetker/puppetdb,wkalt/puppetdb,jantman/puppetdb,shrug/puppetdb,johnduarte/puppetdb,kbarber/puppetdb,jantman/puppetdb,grimradical/puppetdb,puppetlabs/puppetdb,kbrezina/puppetdb,rbrw/puppetdb,jantman/puppetdb,johnduarte/puppetdb,mullr/puppetdb,grimradical/puppetdb,puppetlabs/puppetdb,waynr/puppetdb