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create potential arrival hypertable

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projectmoon 2024-04-10 17:04:42 +02:00
parent f2bf0bd150
commit aa8cbd9bc5
1 changed files with 4 additions and 0 deletions
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4
supabase/migrations/20240409190001_initial.sql
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@ -195,6 +195,10 @@ CREATE TABLE potential_arrivals(
distance decimal NOT NULL distance decimal NOT NULL
); );
SELECT create_hypertable('potential_arrivals', 'measured_at', chunk_time_interval => INTERVAL '10 minutes');
CREATE INDEX potential_arrivals_measures ON potential_arrivals (bus_id, measured_at DESC);
CREATE INDEX potential_arrivals_spatial ON potential_arrivals USING GIST (bus_coords);
CREATE FUNCTION check_near_stop() RETURNS trigger LANGUAGE plpgsql AS $$ CREATE FUNCTION check_near_stop() RETURNS trigger LANGUAGE plpgsql AS $$
BEGIN BEGIN
INSERT INTO potential_arrivals (raw_pos_id, bus_id, bus_coords, measured_at, stop_id, distance) INSERT INTO potential_arrivals (raw_pos_id, bus_id, bus_coords, measured_at, stop_id, distance)