fastest query for admin content

file.sql

WITH foo AS (SELECT ST_AsGeoJSON(ST_Centroid(ST_Envelope(admin1_attributes_live.the_geom))) as center, ST_AsGeoJSON(ST_Envelope(admin1_attributes_live.the_geom)) as bbox, name_1 as name, id1 FROM admin1_attributes_live WHERE admin1_attributes_live.iso = 'IDN') SELECT center, bbox, foo.name, foo.id1, sum(global_4x_grid.total_incr) as total FROM foo,global_4x_grid WHERE global_4x_grid.iso='IDN' AND global_4x_grid.id1 = foo.id1 group by foo.id1, foo.name, center, bbox ORDER BY total; 

--HUMAN READABLE


WITH foo AS
    (SELECT 
        ST_AsGeoJSON(ST_Centroid(ST_Envelope(admin1_attributes_live.the_geom))) as center, 
        ST_AsGeoJSON(ST_Envelope(admin1_attributes_live.the_geom)) as bbox,
        name_1 as name,
        id1
    FROM
        admin1_attributes_live
    WHERE 
        admin1_attributes_live.iso = 'IDN'
    )
SELECT 
    center,
    bbox,
    foo.name,
    foo.id1,
    sum(global_4x_grid.total_incr) as total
FROM 
    foo,global_4x_grid
WHERE
    global_4x_grid.iso='IDN' AND 
    global_4x_grid.id1 = foo.id1
group by 
    foo.id1, foo.name, center, bbox
order by
    total
;