mirror of
https://github.com/ClickHouse/ClickHouse.git
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37 lines
1.1 KiB
MySQL
37 lines
1.1 KiB
MySQL
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DROP TABLE IF EXISTS test;
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CREATE TABLE test (a UInt8, b UInt8, c UInt16 ALIAS a + b) ENGINE = MergeTree ORDER BY a;
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SELECT b FROM test PREWHERE c = 1;
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DROP TABLE test;
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drop table if exists audience_local;
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create table audience_local
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(
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Date Date,
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AudienceType Enum8('other' = 0, 'client' = 1, 'group' = 2),
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UMA UInt64,
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APIKey String,
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TrialNameID UInt32,
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TrialGroupID UInt32,
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AppVersion String,
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Arch Enum8('other' = 0, 'x32' = 1, 'x64' = 2),
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UserID UInt32,
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GroupID UInt8,
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OSName Enum8('other' = 0, 'Android' = 1, 'iOS' = 2, 'macOS' = 3, 'Windows' = 4, 'Linux' = 5),
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Channel Enum8('other' = 0, 'Canary' = 1, 'Dev' = 2, 'Beta' = 3, 'Stable' = 4),
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Hits UInt64,
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Sum Int64,
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Release String alias splitByChar('-', AppVersion)[1]
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)
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engine = SummingMergeTree
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PARTITION BY (toISOYear(Date), toISOWeek(Date))
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ORDER BY (AudienceType, UMA, APIKey, Date, TrialNameID, TrialGroupID, AppVersion, Arch, UserID, GroupID, OSName, Channel)
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SETTINGS index_granularity = 8192;
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SELECT DISTINCT UserID
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FROM audience_local
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PREWHERE Date = toDate('2019-07-25') AND Release = '17.11.0.542';
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drop table if exists audience_local;
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