mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 10:22:10 +00:00
61 lines
2.5 KiB
SQL
61 lines
2.5 KiB
SQL
SELECT L1Distance([0, 0, 0], [1, 2, 3]);
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SELECT L2Distance([1, 2, 3], [0, 0, 0]);
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SELECT L2SquaredDistance([1, 2, 3], [0, 0, 0]);
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SELECT LpDistance([1, 2, 3], [0, 0, 0], 3.5);
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SELECT LinfDistance([1, 2, 3], [0, 0, 0]);
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SELECT cosineDistance([1, 2, 3], [3, 5, 7]);
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SELECT L2Distance([1, 2, 3], NULL);
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SELECT L2SquaredDistance([1, 2, 3], NULL);
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SELECT cosineDistance([1, 2, 3], [0, 0, 0]);
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-- Overflows
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WITH CAST([-547274980, 1790553898, 1981517754, 1908431500, 1352428565, -573412550, -552499284, 2096941042], 'Array(Int32)') AS a
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SELECT
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L1Distance(a,a),
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L2Distance(a,a),
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L2SquaredDistance(a,a),
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LinfDistance(a,a),
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cosineDistance(a, a);
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DROP TABLE IF EXISTS vec1;
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DROP TABLE IF EXISTS vec2;
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DROP TABLE IF EXISTS vec2f;
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DROP TABLE IF EXISTS vec2d;
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CREATE TABLE vec1 (id UInt64, v Array(UInt8)) ENGINE = Memory;
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CREATE TABLE vec2 (id UInt64, v Array(Int64)) ENGINE = Memory;
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CREATE TABLE vec2f (id UInt64, v Array(Float32)) ENGINE = Memory;
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CREATE TABLE vec2d (id UInt64, v Array(Float64)) ENGINE = Memory;
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INSERT INTO vec1 VALUES (1, [3, 4, 5]), (2, [2, 4, 8]), (3, [7, 7, 7]);
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SELECT L1Distance(v, [0, 0, 0]) FROM vec1;
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SELECT L2Distance(v, [0, 0, 0]) FROM vec1;
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SELECT L2SquaredDistance(v, [0, 0, 0]) FROM vec1;
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SELECT LpDistance(v, [0, 0, 0], 3.14) FROM vec1;
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SELECT LinfDistance([5, 4, 3], v) FROM vec1;
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SELECT cosineDistance([3, 2, 1], v) FROM vec1;
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SELECT LinfDistance(v, materialize([0, -2, 0])) FROM vec1;
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SELECT cosineDistance(v, materialize([1., 1., 1.])) FROM vec1;
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INSERT INTO vec2 VALUES (1, [100, 200, 0]), (2, [888, 777, 666]);
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SELECT v1.id, v2.id, L2Distance(v1.v, v2.v), L2SquaredDistance(v1.v, v2.v) as dist FROM vec1 v1, vec2 v2;
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INSERT INTO vec2f VALUES (1, [100, 200, 0]), (2, [888, 777, 666]);
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SELECT v1.id, v2.id, L2Distance(v1.v, v2.v), L2SquaredDistance(v1.v, v2.v) as dist FROM vec1 v1, vec2f v2;
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INSERT INTO vec2d VALUES (1, [100, 200, 0]), (2, [888, 777, 666]);
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SELECT v1.id, v2.id, L2Distance(v1.v, v2.v), L2SquaredDistance(v1.v, v2.v) as dist FROM vec1 v1, vec2d v2;
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SELECT L1Distance([0, 0], [1]); -- { serverError 190 }
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SELECT L2Distance([1, 2], (3,4)); -- { serverError 43 }
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SELECT L2SquaredDistance([1, 2], (3,4)); -- { serverError 43 }
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SELECT LpDistance([1, 2], [3,4]); -- { serverError 42 }
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SELECT LpDistance([1, 2], [3,4], -1.); -- { serverError 69 }
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SELECT LpDistance([1, 2], [3,4], 'aaa'); -- { serverError 43 }
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SELECT LpDistance([1, 2], [3,4], materialize(2.7)); -- { serverError 44 }
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DROP TABLE vec1;
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DROP TABLE vec2;
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DROP TABLE vec2f;
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DROP TABLE vec2d;
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