create table if not exists orders
(
	id bigserial not null constraint orders_pkey primary key,
	partner_id integer,
	order_id varchar,
	date_created date,
	state_code integer,
	state_date timestamp,
	recipient varchar,
	phone varchar,
);

create index if not exists orders_partner_id_index on orders (partner_id);
create index if not exists orders_order_id_index on orders (order_id);
create index if not exists orders_partner_id_date_created_index on orders (partner_id, date_created);

select order_id, date_created, recipient, phone, state_code, state_date
from orders
where partner_id=1 and date_created between '2019-04-01' and '2019-04-30'
order by order_id asc limit 10 offset 10;

QUERY PLAN
"Limit  (cost=19495.48..38990.41 rows=10 width=91)"
"  ->  Index Scan using orders_order_id_index on orders  (cost=0.56..41186925.66 rows=21127 width=91)"
"        Filter: ((date_created >= '2019-04-01'::date) AND (date_created <= '2019-04-30'::date) AND (partner_id = 1))"

select order_id, date_created, recipient, phone, state_code, state_date
from orders
where partner_id=1 and date_created between '2019-04-01' and '2019-04-30'
order by order_id asc limit 10 offset 40;

QUERY PLAN
"Limit  (cost=81449.76..81449.79 rows=10 width=91)"
"  ->  Sort  (cost=81449.66..81502.48 rows=21127 width=91)"
"        Sort Key: order_id"
"        ->  Bitmap Heap Scan on orders  (cost=4241.93..80747.84 rows=21127 width=91)"
"              Recheck Cond: ((partner_id = 1) AND (date_created >= '2019-04-01'::date) AND (date_created <= '2019-04-30'::date))"
"              ->  Bitmap Index Scan on orders_partner_id_date_created_index  (cost=0.00..4236.65 rows=21127 width=0)"
"                    Index Cond: ((partner_id = 1) AND (date_created >= '2019-04-01'::date) AND (date_created <= '2019-04-30'::date))"