Panic when the user requests an auto-inc pkey.
Panic when the user requests an auto-inc pkey.

Setting auto-increment for a multi-column primary key presently fails
silently; this makes it fail loudly.

A better fix would be to figure out where/why the silent failure occurs.

rickb777/gorp-old2,kevinc0825/gorm,jmoiron/modl,kimxilxyong/gorp,losinggeneration/gorp,losinggeneration/gorp,evenco/gorp,go-gorp/gorp,GeertJohan/gorp,kimxilxyong/gorp,outdoorsy/gorp,rickb777/gorp-old2,cortex/gorp,japettyjohn/modl,go-gorp/gorp,gabelula/gorp,d-g-laptev/gorp,yp-engineering/gorp,kevinc0825/gorm,cortex/gorp,evenco/gorp,yp-engineering/gorp,japettyjohn/modl,GeertJohan/gorp,xiaoenai/gorp,coopernurse/gorp,gabelula/gorp,mousesun/gorp,jmoiron/modl,xiaoenai/gorp,d-g-laptev/gorp,mousesun/gorp,outdoorsy/gorp,coopernurse/gorp