\d 聚合
Materialized view "public.aggregate"
Column | Type | Modifiers
------------------+-----------------------------+-----------
id | integer |
searchable | text |
name | character varying(255) |
source_type | character varying(255) |
source_id | integer |
latitude | double precision |
longitude | double precision |
created_at | timestamp without time zone |
updated_at | timestamp without time zone |
Indexes:
"aggregate_lat_lng_point" gist (point(latitude, longitude))
"searchable_tsvector" gin (to_tsvector('english'::regconfig, COALESCE(searchable, ''::text)))
询问：
EXPLAIN ANALYZE SELECT name FROM aggregate
WHERE point(53.574753, -2.1) <@> point(latitude, longitude) …