This commit is contained in:
Nikita Vasilev 2019-01-29 20:46:46 +03:00
parent 514987e9f9
commit d3b430d4fd
3 changed files with 52 additions and 6 deletions

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@ -9,12 +9,9 @@ CREATE TABLE test.minmax_idx
s String, s String,
e Enum8('a' = 1, 'b' = 2, 'c' = 3), e Enum8('a' = 1, 'b' = 2, 'c' = 3),
dt Date, dt Date,
INDEX INDEX idx_all (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 4,
idx_all (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 4, INDEX idx_all2 (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 2,
INDEX INDEX idx_2 (u64 + toYear(dt), substring(s, 2, 4)) TYPE minmax GRANULARITY 3
idx_all2 (i32, i32 + f64, d, s, e, dt) TYPE minmax GRANULARITY 2,
INDEX
idx_2 (u64 + toYear(dt), substring(s, 2, 4)) TYPE minmax GRANULARITY 3
) ENGINE = MergeTree() ) ENGINE = MergeTree()
ORDER BY u64 ORDER BY u64
SETTINGS index_granularity = 2; SETTINGS index_granularity = 2;

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@ -0,0 +1,8 @@
0 5 4.7 6.50 cba b 2014-01-04
0 5 4.7 6.50 cba b 2014-03-11
2 5 4.7 6.50 cba b 2014-06-11
2 5 4.7 6.50 cba b 2015-01-01
0 5 4.7 6.50 cba b 2014-01-04
0 5 4.7 6.50 cba b 2014-03-11
2 5 4.7 6.50 cba b 2014-06-11
2 5 4.7 6.50 cba b 2015-01-01

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@ -0,0 +1,41 @@
DROP TABLE IF EXISTS test.minmax_idx;
CREATE TABLE test.minmax_idx
(
u64 UInt64,
i32 Int32,
f64 Float64,
d Decimal(10, 2),
s String,
e Enum8('a' = 1, 'b' = 2, 'c' = 3),
dt Date,
INDEX idx_all (i32, i32 + f64, d, s, e, dt) TYPE unique GRANULARITY 4,
INDEX idx_all2 (i32, i32 + f64, d, s, e, dt) TYPE unique GRANULARITY 2,
INDEX idx_2 (u64 + toYear(dt), substring(s, 2, 4)) TYPE unique() GRANULARITY 3
) ENGINE = MergeTree()
ORDER BY u64
SETTINGS index_granularity = 2;
/* many small inserts => table will make merges */
INSERT INTO test.minmax_idx VALUES (1, 2, 4.5, 2.5, 'abc', 'a', '2014-01-01');
INSERT INTO test.minmax_idx VALUES (0, 5, 4.7, 6.5, 'cba', 'b', '2014-01-04');
INSERT INTO test.minmax_idx VALUES (1, 5, 6.9, 1.57, 'bac', 'c', '2017-01-01');
INSERT INTO test.minmax_idx VALUES (1, 2, 4.5, 2.5, 'abc', 'a', '2016-01-01');
INSERT INTO test.minmax_idx VALUES (2, 5, 4.7, 6.5, 'cba', 'b', '2015-01-01');
INSERT INTO test.minmax_idx VALUES (1, 5, 6.9, 1.57, 'bac', 'c', '2014-11-11');
INSERT INTO test.minmax_idx VALUES (1, 2, 4.5, 2.5, 'abc', 'a', '2014-02-11');
INSERT INTO test.minmax_idx VALUES (0, 5, 4.7, 6.5, 'cba', 'b', '2014-03-11');
INSERT INTO test.minmax_idx VALUES (1, 5, 6.9, 1.57, 'bac', 'c', '2014-04-11');
INSERT INTO test.minmax_idx VALUES (1, 2, 4.5, 2.5, 'abc', 'a', '2014-05-11');
INSERT INTO test.minmax_idx VALUES (2, 5, 4.7, 6.5, 'cba', 'b', '2014-06-11');
INSERT INTO test.minmax_idx VALUES (1, 5, 6.9, 1.57, 'bac', 'c', '2014-07-11');
/* simple select */
SELECT * FROM test.minmax_idx WHERE i32 = 5 AND i32 + f64 < 12 AND 3 < d AND d < 7 AND (s = 'bac' OR s = 'cba') ORDER BY dt;
/* select with hole made by primary key */
SELECT * FROM test.minmax_idx WHERE u64 != 1 AND e = 'b' ORDER BY dt;
DROP TABLE test.minmax_idx;