mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-10 07:12:54 +00:00
6c066c1a4a
* test: migrate join tests Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * chore: update test results after rebasing main branch Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: unstable query sort results and natural_join test Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: count(*) with joining Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: unstable query sort results and style Signed-off-by: Dennis Zhuang <killme2008@gmail.com> --------- Signed-off-by: Dennis Zhuang <killme2008@gmail.com>
85 lines
2.9 KiB
SQL
85 lines
2.9 KiB
SQL
-- Migrated from DuckDB test: test/sql/join/ expression join tests
|
|
-- Tests joins with complex expressions
|
|
|
|
CREATE TABLE measurements(measure_id INTEGER, sensor_id INTEGER, reading DOUBLE, measure_time TIMESTAMP, ts TIMESTAMP TIME INDEX);
|
|
|
|
CREATE TABLE sensor_config(sensor_id INTEGER, min_threshold DOUBLE, max_threshold DOUBLE, calibration_factor DOUBLE, ts TIMESTAMP TIME INDEX);
|
|
|
|
INSERT INTO measurements VALUES
|
|
(1, 1, 22.5, '2023-01-01 10:00:00', 1000), (2, 1, 45.8, '2023-01-01 10:05:00', 2000),
|
|
(3, 2, 18.2, '2023-01-01 10:00:00', 3000), (4, 2, 89.7, '2023-01-01 10:05:00', 4000),
|
|
(5, 3, 35.1, '2023-01-01 10:00:00', 5000), (6, 3, 42.3, '2023-01-01 10:05:00', 6000);
|
|
|
|
INSERT INTO sensor_config VALUES
|
|
(1, 20.0, 50.0, 1.05, 1000), (2, 15.0, 85.0, 0.98, 2000), (3, 30.0, 70.0, 1.02, 3000);
|
|
|
|
-- Join with mathematical expressions
|
|
SELECT
|
|
m.measure_id,
|
|
m.reading,
|
|
m.reading * sc.calibration_factor as calibrated_reading,
|
|
sc.min_threshold,
|
|
sc.max_threshold
|
|
FROM measurements m
|
|
INNER JOIN sensor_config sc ON m.sensor_id = sc.sensor_id
|
|
ORDER BY m.measure_id;
|
|
|
|
-- Join with conditional expressions
|
|
SELECT
|
|
m.measure_id,
|
|
m.reading,
|
|
sc.calibration_factor,
|
|
CASE
|
|
WHEN m.reading * sc.calibration_factor < sc.min_threshold THEN 'Below Range'
|
|
WHEN m.reading * sc.calibration_factor > sc.max_threshold THEN 'Above Range'
|
|
ELSE 'In Range'
|
|
END as reading_status
|
|
FROM measurements m
|
|
INNER JOIN sensor_config sc
|
|
ON m.sensor_id = sc.sensor_id
|
|
AND m.reading BETWEEN sc.min_threshold * 0.5 AND sc.max_threshold * 1.5
|
|
ORDER BY m.measure_id;
|
|
|
|
-- Join with aggregated expressions
|
|
SELECT
|
|
sc.sensor_id,
|
|
COUNT(*) as total_readings,
|
|
AVG(m.reading * sc.calibration_factor) as avg_calibrated,
|
|
COUNT(CASE WHEN m.reading * sc.calibration_factor > sc.max_threshold THEN 1 END) as over_threshold_count
|
|
FROM measurements m
|
|
INNER JOIN sensor_config sc ON m.sensor_id = sc.sensor_id
|
|
GROUP BY sc.sensor_id, sc.calibration_factor, sc.max_threshold
|
|
HAVING AVG(m.reading * sc.calibration_factor) > 30.0
|
|
ORDER BY avg_calibrated DESC;
|
|
|
|
-- Join with string expression conditions
|
|
CREATE TABLE devices(device_id INTEGER, device_code VARCHAR, "status" VARCHAR, ts TIMESTAMP TIME INDEX);
|
|
CREATE TABLE device_logs(log_id INTEGER, device_code VARCHAR, log_message VARCHAR, severity INTEGER, ts TIMESTAMP TIME INDEX);
|
|
|
|
INSERT INTO devices VALUES
|
|
(1, 'DEV001', 'active', 1000), (2, 'DEV002', 'inactive', 2000), (3, 'DEV003', 'active', 3000);
|
|
|
|
INSERT INTO device_logs VALUES
|
|
(1, 'DEV001', 'System started', 1, 1000), (2, 'DEV001', 'Warning detected', 2, 2000),
|
|
(3, 'DEV002', 'Error occurred', 3, 3000), (4, 'DEV003', 'Normal operation', 1, 4000);
|
|
|
|
-- Join with string expression matching
|
|
SELECT
|
|
d.device_id,
|
|
d."status",
|
|
dl.log_message,
|
|
dl.severity
|
|
FROM devices d
|
|
INNER JOIN device_logs dl
|
|
ON UPPER(d.device_code) = UPPER(dl.device_code)
|
|
AND d."status" = 'active'
|
|
ORDER BY d.device_id, dl.severity DESC;
|
|
|
|
DROP TABLE measurements;
|
|
|
|
DROP TABLE sensor_config;
|
|
|
|
DROP TABLE devices;
|
|
|
|
DROP TABLE device_logs;
|