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https://github.com/ClickHouse/ClickHouse.git
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22 lines
1.3 KiB
MySQL
22 lines
1.3 KiB
MySQL
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DROP TABLE IF EXISTS test_generic_events_all;
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CREATE TABLE test_generic_events_all (APIKey UInt8, SessionType UInt8) ENGINE = MergeTree() PARTITION BY APIKey ORDER BY tuple();
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INSERT INTO test_generic_events_all VALUES( 42, 42 );
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ALTER TABLE test_generic_events_all ADD COLUMN OperatingSystem UInt64 DEFAULT 42;
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SELECT OperatingSystem FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
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SELECT * FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
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DROP TABLE IF EXISTS test_generic_events_all;
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CREATE TABLE test_generic_events_all (APIKey UInt8, SessionType UInt8) ENGINE = MergeTree() PARTITION BY APIKey ORDER BY tuple();
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INSERT INTO test_generic_events_all VALUES( 42, 42 );
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ALTER TABLE test_generic_events_all ADD COLUMN OperatingSystem UInt64 DEFAULT SessionType+1;
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SELECT * FROM test_generic_events_all WHERE APIKey = 42 AND SessionType = 42;
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SELECT OperatingSystem FROM test_generic_events_all WHERE APIKey = 42;
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SELECT OperatingSystem FROM test_generic_events_all WHERE APIKey = 42 AND SessionType = 42;
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SELECT OperatingSystem FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
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SELECT * FROM test_generic_events_all PREWHERE APIKey = 42 WHERE SessionType = 42;
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DROP TABLE IF EXISTS test_generic_events_all;
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