ALTER AGGREGATE $name$ ( $aggregate_signature$ ) RENAME TO $new_name$

ALTER AGGREGATE $name$ ( $aggregate_signature$ )
    OWNER TO { $new_owner$ | CURRENT_ROLE | CURRENT_USER | SESSION_USER }

ALTER AGGREGATE $name$ ( $aggregate_signature$ ) SET SCHEMA $new_schema$

where $aggregate_signature$ is:

* |
    { [ $agg_argmode$ ] [ $argname$ ] $argtype$ } [ , ... ] |
    [ { [ $agg_argmode$ ] [ $argname$ ] $argtype$ } [ , ... ] ] ORDER BY { [ $agg_argmode$ ] [ $argname$ ] $argtype$ } [ , ... ]