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https://github.com/GreptimeTeam/greptimedb.git
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aafb468547
* fix: set local or session time_zone not work * chore: supports PostgreSQL-specific setting time zone
79 lines
1.6 KiB
SQL
79 lines
1.6 KiB
SQL
--- tests for timezone ---
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SHOW VARIABLES time_zone;
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SHOW VARIABLES system_time_zone;
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select timezone();
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CREATE TABLE test(d double, ts timestamp_ms time index);
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INSERT INTO test values
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(1, '2024-01-01 00:00:00'),
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(2, '2024-01-02 08:00:00'),
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(3, '2024-01-03 16:00:00'),
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(4, '2024-01-04 00:00:00'),
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(5, '2024-01-05 00:00:00+08:00');
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SELECT * from test;
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SELECT * from test where ts >= '2024-01-02 08:00:00';
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SELECT * from test where ts <= '2024-01-03 16:00:00';
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select date_format(ts, '%Y-%m-%d %H:%M:%S:%3f') from test;
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select to_unixtime('2024-01-02 00:00:00');
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select to_unixtime('2024-01-02T00:00:00+08:00');
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--- UTC+8 ---
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SET TIME_ZONE = '+8:00';
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SHOW VARIABLES time_zone;
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SHOW VARIABLES system_time_zone;
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select timezone();
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SELECT * from test;
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SELECT * from test where ts >= '2024-01-02 08:00:00';
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SELECT * from test where ts <= '2024-01-03 16:00:00';
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select date_format(ts, '%Y-%m-%d %H:%M:%S:%3f') from test;
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select to_unixtime('2024-01-02 00:00:00');
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select to_unixtime('2024-01-02 00:00:00+08:00');
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--- UTC-8 ---
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SET SESSION TIME_ZONE = '-8:00';
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SHOW VARIABLES time_zone;
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SHOW VARIABLES system_time_zone;
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select timezone();
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SELECT * from test;
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SELECT * from test where ts >= '2024-01-02 08:00:00';
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SELECT * from test where ts <= '2024-01-03 16:00:00';
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select date_format(ts, '%Y-%m-%d %H:%M:%S:%3f') from test;
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select to_unixtime('2024-01-02 00:00:00');
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select to_unixtime('2024-01-02 00:00:00+08:00');
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drop table test;
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-- revert timezone to UTC
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SET LOCAL TIME_ZONE = 'UTC';
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SHOW VARIABLES time_zone;
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select timezone();
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