mirror of
https://github.com/ClickHouse/ClickHouse.git
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44 lines
1.0 KiB
MySQL
44 lines
1.0 KiB
MySQL
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DROP TABLE IF EXISTS mytable_local;
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CREATE TABLE mytable_local (
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created DateTime,
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eventday Date,
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user_id UInt32
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)
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ENGINE = MergeTree()
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PARTITION BY toYYYYMM(eventday)
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ORDER BY (eventday, user_id);
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INSERT INTO mytable_local SELECT
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toDateTime('2020-06-01 00:00:00') + toIntervalMinute(number) AS created,
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toDate(created) AS eventday,
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if((number % 100) > 50, 742522, number % 32141) AS user_id
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FROM numbers(100000);
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SELECT
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eventday,
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count(*)
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FROM mytable_local
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WHERE (toYYYYMM(eventday) = 202007) AND (user_id = 742522) AND (eventday >= '2020-07-03') AND (eventday <= '2020-07-25')
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GROUP BY eventday
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ORDER BY eventday;
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DROP TABLE mytable_local;
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DROP TABLE IF EXISTS table_float;
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CREATE TABLE table_float
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(
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f Float64,
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u UInt32
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)
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ENGINE = MergeTree
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ORDER BY (f, u);
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INSERT INTO table_float VALUES (1.2, 1) (1.3, 2) (1.4, 3) (1.5, 4);
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SELECT count()
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FROM table_float
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WHERE (toUInt64(f) = 1) AND (f >= 1.3) AND (f <= 1.4) AND (u > 0);
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DROP TABLE table_float;
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