fixed primary keys im:heading id
fixed primary keys im:heading id


Former-commit-id: e789ec117910e9f23b038b269eb9f70d1fa901db
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine