Time

Time

CREATE TABLE tab
(
    `event_id` UInt8,
    `time` Time
)
ENGINE = TinyLog;

-- Parse Time
-- - from string,
-- - from integer interpreted as number of seconds since 00:00:00.
INSERT INTO tab VALUES (1, '14:30:25'), (2, 52225);

SELECT * FROM tab ORDER BY event_id;

┌─event_id─┬──────time─┐
│        1 │ 14:30:25 │
│        2 │ 14:30:25 │
└──────────┴───────────┘

SET use_legacy_to_time = 0;
SELECT * FROM tab WHERE time = toTime('14:30:25')

┌─event_id─┬──────time─┐
│        1 │ 14:30:25 │
│        2 │ 14:30:25 │
└──────────┴───────────┘

SELECT * FROM tab WHERE time = '14:30:25'

┌─event_id─┬──────time─┐
│        1 │ 14:30:25 │
│        2 │ 14:30:25 │
└──────────┴───────────┘

SELECT CAST('14:30:25' AS Time) AS column, toTypeName(column) AS type

┌────column─┬─type─┐
│ 14:30:25 │ Time │
└───────────┴──────┘

SET use_legacy_to_time = 0;
SELECT toDate('2024-07-15') + toTime('14:30:25') as datetime;

┌────────────datetime─┐
│ 2024-07-15 14:30:25 │
└─────────────────────┘