Fix metafile column assertion.
Fix metafile column assertion.

Our database system is just barely on this side of unmanageable complexity.

guiquanz/stronglink,nkatsaros/stronglink,yamingd/stronglink,btrask/stronglink,iOSCowboy/stronglink,shaunstanislaus/stronglink,Lacra17/stronglink,guiquanz/stronglink,shaunstanislaus/stronglink,guiquanz/stronglink,iOSCowboy/stronglink,Ryezhang/stronglink,Lacra17/stronglink,yamingd/stronglink,rmoorman/stronglink,btrask/stronglink,rmoorman/stronglink,shaunstanislaus/stronglink,feld/stronglink,iOSCowboy/stronglink,Lacra17/stronglink,rmoorman/stronglink,Ryezhang/stronglink,nkatsaros/stronglink,Ryezhang/stronglink,feld/stronglink,feld/stronglink,yamingd/stronglink,btrask/stronglink,nkatsaros/stronglink,btrask/stronglink