mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 05:32:52 +00:00
73 lines
2.6 KiB
SQL
73 lines
2.6 KiB
SQL
DROP TABLE IF EXISTS minmax_idx1;
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DROP TABLE IF EXISTS minmax_idx2;
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CREATE TABLE minmax_idx1
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(
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u64 UInt64,
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i32 Int32,
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f64 Float64,
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d Decimal(10, 2),
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s String,
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e Enum8('a' = 1, 'b' = 2, 'c' = 3),
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dt Date,
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INDEX
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idx_all (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 1,
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INDEX
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idx_2 (u64 + toYear(dt), substring(s, 2, 4)) TYPE minmax GRANULARITY 3
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) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/minmax', 'r1')
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ORDER BY u64
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SETTINGS index_granularity = 2;
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CREATE TABLE minmax_idx2
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(
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u64 UInt64,
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i32 Int32,
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f64 Float64,
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d Decimal(10, 2),
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s String,
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e Enum8('a' = 1, 'b' = 2, 'c' = 3),
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dt Date,
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INDEX
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idx_all (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 1,
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INDEX
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idx_2 (u64 + toYear(dt), substring(s, 2, 4)) TYPE minmax GRANULARITY 3
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) ENGINE = ReplicatedMergeTree('/clickhouse/tables/test/minmax', 'r2')
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ORDER BY u64
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SETTINGS index_granularity = 2;
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/* many small inserts => table will make merges */
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INSERT INTO minmax_idx1 VALUES (2, 2, 4.5, 2.5, 'abc', 'a', '2014-01-01');
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INSERT INTO minmax_idx1 VALUES (0, 5, 4.7, 6.5, 'cba', 'b', '2014-01-04');
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INSERT INTO minmax_idx2 VALUES (3, 5, 6.9, 1.57, 'bac', 'c', '2017-01-01');
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INSERT INTO minmax_idx2 VALUES (4, 2, 4.5, 2.5, 'abc', 'a', '2016-01-01');
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INSERT INTO minmax_idx2 VALUES (13, 5, 4.7, 6.5, 'cba', 'b', '2015-01-01');
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INSERT INTO minmax_idx1 VALUES (5, 5, 6.9, 1.57, 'bac', 'c', '2014-11-11');
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SYSTEM SYNC REPLICA minmax_idx1;
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SYSTEM SYNC REPLICA minmax_idx2;
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INSERT INTO minmax_idx1 VALUES (6, 2, 4.5, 2.5, 'abc', 'a', '2014-02-11');
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INSERT INTO minmax_idx1 VALUES (1, 5, 4.7, 6.5, 'cba', 'b', '2014-03-11');
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INSERT INTO minmax_idx1 VALUES (7, 5, 6.9, 1.57, 'bac', 'c', '2014-04-11');
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INSERT INTO minmax_idx1 VALUES (8, 2, 4.5, 2.5, 'abc', 'a', '2014-05-11');
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INSERT INTO minmax_idx2 VALUES (12, 5, 4.7, 6.5, 'cba', 'b', '2014-06-11');
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INSERT INTO minmax_idx2 VALUES (9, 5, 6.9, 1.57, 'bac', 'c', '2014-07-11');
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SYSTEM SYNC REPLICA minmax_idx1;
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SYSTEM SYNC REPLICA minmax_idx2;
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OPTIMIZE TABLE minmax_idx1;
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OPTIMIZE TABLE minmax_idx2;
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/* simple select */
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SELECT * FROM minmax_idx1 WHERE i32 = 5 AND i32 + f64 < 12 AND 3 < d AND d < 7 AND (s = 'bac' OR s = 'cba') ORDER BY dt;
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SELECT * FROM minmax_idx2 WHERE i32 = 5 AND i32 + f64 < 12 AND 3 < d AND d < 7 AND (s = 'bac' OR s = 'cba') ORDER BY dt;
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/* select with hole made by primary key */
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SELECT * FROM minmax_idx1 WHERE (u64 < 2 OR u64 > 10) AND e != 'b' ORDER BY dt;
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SELECT * FROM minmax_idx2 WHERE (u64 < 2 OR u64 > 10) AND e != 'b' ORDER BY dt;
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DROP TABLE minmax_idx1;
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DROP TABLE minmax_idx2; |