ALTER FOREIGN DATA WRAPPER $name$
    { HANDLER $handler_function$ | NO HANDLER }
    [ VALIDATOR $validator_function$ | NO VALIDATOR ]
    [ OPTIONS ( { { ADD | SET } $option$ '$value$' | DROP $option$ } [ , ... ] ) ]

ALTER FOREIGN DATA WRAPPER $name$
    { VALIDATOR $validator_function$ | NO VALIDATOR }
    [ OPTIONS ( { { ADD | SET } $option$ '$value$' | DROP $option$ } [ , ... ] ) ]

ALTER FOREIGN DATA WRAPPER $name$
    OPTIONS ( { { ADD | SET } $option$ '$value$' | DROP $option$ } [ , ... ] )

ALTER FOREIGN DATA WRAPPER $name$ OWNER TO { $new_owner$ | CURRENT_ROLE | CURRENT_USER | SESSION_USER }

ALTER FOREIGN DATA WRAPPER $name$ RENAME TO $new_name$
