mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-10 16:32:12 +00:00
74 lines
1.4 KiB
MySQL
74 lines
1.4 KiB
MySQL
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DROP TABLE IF EXISTS test.basic;
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DROP TABLE IF EXISTS test.visits_null;
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CREATE TABLE test.visits_null
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(
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CounterID UInt32,
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StartDate Date,
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Sign Int8,
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UserID UInt64
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) ENGINE = Null;
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CREATE MATERIALIZED VIEW test.basic
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ENGINE = AggregatingMergeTree(StartDate, (CounterID, StartDate), 8192)
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AS SELECT
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CounterID,
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StartDate,
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sumState(Sign) AS Visits,
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uniqState(UserID) AS Users
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FROM test.visits_null
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GROUP BY CounterID, StartDate;
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INSERT INTO test.visits_null
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SELECT
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CounterID,
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StartDate,
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Sign,
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UserID
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FROM test.visits;
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SELECT
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StartDate,
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sumMerge(Visits) AS Visits,
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uniqMerge(Users) AS Users
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FROM test.basic
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GROUP BY StartDate
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ORDER BY StartDate;
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SELECT
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StartDate,
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sumMerge(Visits) AS Visits,
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uniqMerge(Users) AS Users
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FROM test.basic
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WHERE CounterID = 731962
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GROUP BY StartDate
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ORDER BY StartDate;
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SELECT
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StartDate,
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sum(Sign) AS Visits,
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uniq(UserID) AS Users
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FROM test.visits
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WHERE CounterID = 731962
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GROUP BY StartDate
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ORDER BY StartDate;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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OPTIMIZE TABLE test.basic;
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DROP TABLE test.visits_null;
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DROP TABLE test.basic;
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