-- This file and its contents are licensed under the Apache License 2.0. -- Please see the included NOTICE for copyright information and -- LICENSE-APACHE for a copy of the license. DROP DATABASE IF EXISTS test; CREATE DATABASE test; \c test \timing DROP EXTENSION IF EXISTS timescaledb CASCADE; CREATE EXTENSION timescaledb; SELECT pg_backend_pid(); SELECT pg_sleep(5); CREATE TABLE metrics(time timestamptz, device text, value float); SELECT create_hypertable('metrics', 'time'); INSERT INTO metrics SELECT '2020-01-01'::timestamptz + format('%ss',time)::interval, format('Device %s',time%10), random() FROM generate_series(1,1000000) g(time); \o /dev/null \set ECHO none \timing off \echo Starting 1 million SELECT queries SELECT format($$SELECT * FROM metrics WHERE device = 'Device %s' ORDER BY time DESC LIMIT 1;$$,time % 10) FROM generate_series(1,1000000) g(time) \gexec \echo Starting 10k UPDATE queries SELECT format($$UPDATE metrics SET value = %s WHERE time < '2020-01-02' AND device = 'Device %s';$$,time,time % 10) FROM generate_series(1,10000) g(time) \gexec \echo Starting 50k INSERTs with batches of 1000 SELECT format($$INSERT INTO metrics SELECT '2021-01-01'::timestamptz + '%ss'::interval + format('%%s', time)::interval, format('Device %%s',time %% 10), random() FROM generate_series(1,1000) g(time);$$,time) FROM generate_series(1,50000) g(time) \gexec