# Pastebin 74y8dUZZ
    migrate.ForeignKeyConstraint(
        columns=[limit_table.c.service_id,
                 limit_table.c.region_id,
                 limit_table.c.resource_name],
        refcolumns=[registered_limit_table.c.service_id,
                    registered_limit_table.c.region_id,
                    registered_limit_table.c.resource_name]).create()