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26 lines
877 B
SQL
26 lines
877 B
SQL
DROP TABLE IF EXISTS pk_func;
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CREATE TABLE pk_func(d DateTime, ui UInt32) ENGINE = MergeTree ORDER BY toDate(d) SETTINGS index_granularity = 8192, index_granularity_bytes = '10Mi';
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INSERT INTO pk_func SELECT '2020-05-05 01:00:00', number FROM numbers(1000000);
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INSERT INTO pk_func SELECT '2020-05-06 01:00:00', number FROM numbers(1000000);
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INSERT INTO pk_func SELECT '2020-05-07 01:00:00', number FROM numbers(1000000);
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SELECT * FROM pk_func ORDER BY toDate(d), ui LIMIT 5;
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DROP TABLE pk_func;
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DROP TABLE IF EXISTS nORX;
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CREATE TABLE nORX (`A` Int64, `B` Int64, `V` Int64) ENGINE = MergeTree ORDER BY (A, negate(B)) SETTINGS index_granularity = 8192, index_granularity_bytes = '10Mi';
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INSERT INTO nORX SELECT 111, number, number FROM numbers(10000000);
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SELECT *
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FROM nORX
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WHERE B >= 1000
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ORDER BY
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A ASC,
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-B ASC
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LIMIT 3
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SETTINGS max_threads = 1;
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DROP TABLE nORX;
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