mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-11 18:14:03 +00:00
24 lines
940 B
MySQL
24 lines
940 B
MySQL
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE test.defaults (a UInt8, b DEFAULT 0, c DEFAULT identity(b)) ENGINE = Memory;
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INSERT INTO test.defaults (a) VALUES (1);
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SELECT * FROM test.defaults;
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DROP TABLE test.defaults;
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DROP TABLE IF EXISTS test.elog_cut;
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CREATE TABLE test.elog_cut
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(
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date Date DEFAULT toDate(uts),
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uts DateTime,
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pr UInt64,
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ya_uid UInt64,
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adf_uid UInt64,
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owner_id UInt32,
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eff_uid UInt64 DEFAULT if(adf_uid != 0, adf_uid, ya_uid),
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page_session UInt64 DEFAULT cityHash64(eff_uid, pr),
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sample_key UInt64 ALIAS page_session
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) ENGINE = MergeTree(date, cityHash64(adf_uid, ya_uid, pr), (owner_id, date, cityHash64(adf_uid, ya_uid, pr)), 8192);
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INSERT INTO test.elog_cut (uts, pr, ya_uid, adf_uid, owner_id) VALUES ('2015-01-01 01:02:03', 111, 123, 456, 789);
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SELECT date, uts, pr, ya_uid, adf_uid, owner_id, eff_uid, page_session, sample_key FROM test.elog_cut;
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DROP TABLE test.elog_cut;
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