SELECT
	property_properties.property_id
FROM
	property_properties
JOIN
	property_attributes as property_attributes_join1
ON
	property_properties.property_id = property_attributes_join1.property_id AND
	property_attributes_join1.attribute_group_id = 14 AND
	property_attributes_join1.attribute_value_id IN (58 )
JOIN
	property_towns
ON
	property_properties.town_id = property_towns.town_id
JOIN
	property_areas
ON
	property_towns.area_id = property_areas.area_id
JOIN
	property_regions
ON
	property_areas.region_id = property_regions.region_id
JOIN
	property_countries
ON
	property_regions.country_id = property_countries.country_id AND
	property_countries.country_id IN ( 1 )
ORDER BY
	property_properties.price ASC

=============================
    EXPLAIN ANALYZE OUTPUT
=============================


Sort  (cost=5718.65..5718.65 rows=1 width=20) (actual time=24245.234..24263.632 rows=6337 loops=1)

  Sort Key: property_properties.price

  ->  Nested Loop  (cost=0.00..5718.64 rows=1 width=20) (actual time=938.816..24198.142 rows=6337 loops=1)

        ->  Nested Loop  (cost=0.00..5717.57 rows=1 width=24) (actual time=938.774..24046.018 rows=6337 loops=1)

              Join Filter: ("inner".area_id = "outer".area_id)

              ->  Nested Loop  (cost=0.00..5.20 rows=1 width=8) (actual time=0.146..5.758 rows=49 loops=1)

                    Join Filter: ("inner".region_id = "outer".region_id)

                    ->  Seq Scan on property_regions  (cost=0.00..1.24 rows=1 width=8) (actual time=0.034..0.078 rows=9 loops=1)

                          Filter: (1 = country_id)

                    ->  Seq Scan on property_areas  (cost=0.00..2.87 rows=87 width=8) (actual time=0.012..0.318 rows=89 loops=9)

              ->  Nested Loop  (cost=0.00..5712.25 rows=10 width=24) (actual time=0.115..466.696 rows=6926 loops=49)

                    ->  Nested Loop  (cost=0.00..5653.47 rows=10 width=24) (actual time=0.095..279.323 rows=6926 loops=49)

                          ->  Index Scan using property_attributes_pkey on property_attributes property_attributes_join1  (cost=0.00..5593.22 rows=10 width=4) (actual time=0.055..75.591 rows=6926 loops=49)

                                Index Cond: (attribute_group_id = 14)

                                Filter: (attribute_value_id = 58)

                          ->  Index Scan using property_property_pkey on property_properties  (cost=0.00..6.01 rows=1 width=24) (actual time=0.012..0.016 rows=1 loops=339374)

                                Index Cond: (property_properties.property_id = "outer".property_id)

                    ->  Index Scan using property_towns_pkey on property_towns  (cost=0.00..5.87 rows=1 width=8) (actual time=0.009..0.013 rows=1 loops=339374)

                          Index Cond: ("outer".town_id = property_towns.town_id)

        ->  Seq Scan on property_countries  (cost=0.00..1.06 rows=1 width=4) (actual time=0.005..0.010 rows=1 loops=6337)

              Filter: (country_id = 1)

Total runtime: 24284.502 ms