mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-12 17:32:32 +00:00
32 lines
928 B
MySQL
32 lines
928 B
MySQL
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DROP TABLE IF EXISTS APPLICATION;
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DROP TABLE IF EXISTS DATABASE_IO;
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CREATE TABLE APPLICATION (
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`Name` LowCardinality(String),
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`Base` LowCardinality(String)
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) ENGINE = Memory();
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insert into table APPLICATION values ('ApplicationA', 'BaseA'), ('ApplicationB', 'BaseB') , ('ApplicationC', 'BaseC');
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CREATE TABLE DATABASE_IO (
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`Application` LowCardinality(String),
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`Base` LowCardinality(String),
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`Date` DateTime,
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`Ios` UInt32 )
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ENGINE = MergeTree()
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ORDER BY Date;
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insert into table DATABASE_IO values ('AppA', 'BaseA', '2020-01-01 00:00:00', 1000);
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SELECT `APPLICATION`.`Name` AS `App`,
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CAST(CAST(`DATABASE_IO`.`Date` AS DATE) AS DATE) AS `date`
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FROM `DATABASE_IO`
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INNER
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JOIN `APPLICATION` ON (`DATABASE_IO`.`Base` = `APPLICATION`.`Base`)
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WHERE (
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CAST(CAST(`DATABASE_IO`.`Date` AS DATE) AS TIMESTAMP) >= toDateTime('2020-01-01 00:00:00')
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);
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DROP TABLE APPLICATION;
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DROP TABLE DATABASE_IO;
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