--- insert timestamp with default values aware of session timezone test --- CREATE TABLE test1 (i INTEGER, j TIMESTAMP default '2024-01-30 00:01:01' TIME INDEX, PRIMARY KEY(i)); INSERT INTO test1 VALUES (1, DEFAULT), (2, DEFAULT), (3, '2024-01-31 00:01:01'), (4, '2025-02-01 00:01:01'); SELECT * FROM test1 ORDER BY j; SET time_zone = 'Asia/Shanghai'; CREATE TABLE test2 (i INTEGER, j TIMESTAMP default '2024-01-30 00:01:01' TIME INDEX, PRIMARY KEY(i)); INSERT INTO test2 VALUES (1, DEFAULT), (2, DEFAULT), (3, '2024-01-31 00:01:01'), (4, '2025-02-01 00:01:01'); SELECT * FROM test2 ORDER BY j; SELECT * FROM test1 ORDER BY j; CREATE TABLE test3 (ts TIMESTAMP TIME INDEX, st TIMESTAMP, ts_ns TIMESTAMP(9)); INSERT INTO test3 (ts) VALUES ('2026-08-01 12:00:00.001'); INSERT INTO test3 (ts, st) VALUES ('2026-08-02 12:00:00.001', now()); INSERT INTO test3 (ts, st) SELECT '2026-08-03 12:00:00.001', now(); INSERT INTO test3 (ts, st) SELECT '2026-08-04 12:00:00.001', now() LIMIT 1; INSERT INTO test3 (ts, st) SELECT '2026-08-06 12:00:00.001', now() UNION ALL SELECT '2026-08-07 12:00:00.001', now(); INSERT INTO test3 (ts, st) VALUES ( CAST('2026-08-08 12:00:00.001' AS TIMESTAMP), now() ); INSERT INTO test3 (ts, st) SELECT '2026-08-10 12:00:00.001', now() UNION ALL SELECT CAST('2026-08-11 12:00:00.001' AS TIMESTAMP), now(); INSERT INTO test3 (ts, st) SELECT '2026-08-16 12:00:00.001', now() UNION SELECT '2026-08-17 12:00:00.001', now(); INSERT INTO test3 (ts, ts_ns) SELECT a, b FROM ( SELECT c AS a, c AS b FROM (SELECT '2026-08-12 12:00:00.123456789' AS c) AS t1 ) AS t2; INSERT INTO test3 (ts, st, ts_ns) VALUES ( '2026-08-09 12:00:00.001', now(), '2026-08-09 12:00:00.123456789' ); SELECT ts, ts_ns FROM test3 ORDER BY ts; SET time_zone = 'UTC'; DROP TABLE test1; DROP TABLE test2; DROP TABLE test3;