wrap add/Drop FK migration functions in a check for adapter supporting FKs
wrap add/Drop FK migration functions in a check for adapter supporting FKs

nsipplswezey/nodal,keithwhor/nodal,abossard/nodal,rlugojr/nodal,abossard/nodal,IrregularShed/nodal,nsipplswezey/nodal,nsipplswezey/nodal,IrregularShed/nodal