def diff_map(self, inserver):
        stmts = super(ForeignServer, self).diff_map(inserver)
        if inserver.owner is not None:
            if inserver.owner != self.owner:
                stmts.append(self.alter_owner(inserver.owner))
        stmts.append(self.diff_description(inserver))
        return stmts
Generate SQL to transform an existing server
dataset/ETHPy150Open perseas/Pyrseas/pyrseas/dbobject/foreign.py/ForeignServer.diff_map