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19 lines
947 B
SQL
19 lines
947 B
SQL
DROP TABLE IF EXISTS tdm;
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DROP TABLE IF EXISTS tdm2;
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CREATE TABLE tdm (x DateTime('Europe/Moscow')) ENGINE = MergeTree ORDER BY x SETTINGS write_final_mark = 0;
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INSERT INTO tdm VALUES (now());
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SELECT count(x) FROM tdm WHERE toDate(x) < toDate(now(), 'Europe/Moscow') SETTINGS max_rows_to_read = 1;
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SELECT toDate(-1), toDate(10000000000000, 'Europe/Moscow'), toDate(100), toDate(65536, 'UTC'), toDate(65535, 'Europe/Moscow');
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SELECT toDateTime(-1, 'Europe/Moscow'), toDateTime(10000000000000, 'Europe/Moscow'), toDateTime(1000, 'Europe/Moscow');
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CREATE TABLE tdm2 (timestamp UInt32) ENGINE = MergeTree ORDER BY timestamp SETTINGS index_granularity = 1;
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INSERT INTO tdm2 VALUES (toUnixTimestamp('2000-01-01 13:12:12')), (toUnixTimestamp('2000-01-01 14:12:12')), (toUnixTimestamp('2000-01-01 15:12:12'));
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SET max_rows_to_read = 1;
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SELECT toDateTime(timestamp) FROM tdm2 WHERE toHour(toDateTime(timestamp)) = 13;
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DROP TABLE tdm;
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DROP TABLE tdm2;
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