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Add a test

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Alexey Milovidov 2023-10-15 06:08:08 +02:00
parent 22b06e61f2
commit 5e1c10f1e1
2 changed files with 25 additions and 0 deletions
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tests/queries/0_stateless/02899_indexing_by_space_filling_curves.reference Normal file
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tests/queries/0_stateless/02899_indexing_by_space_filling_curves.sql Normal file
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DROP TABLE IF EXISTS test;
CREATE TABLE test (x UInt32, y UInt32) ENGINE = MergeTree ORDER BY mortonEncode(x, y) SETTINGS index_granularity = 8192, index_granularity_bytes = '1Mi';
INSERT INTO test SELECT number DIV 1024, number % 1024 FROM numbers(1048576);
SET max_rows_to_read = 8192, force_primary_key = 1, analyze_index_with_space_filling_curves = 1;
SELECT count() FROM test WHERE x >= 10 AND x <= 20 AND y >= 20 AND y <= 30;
SET max_rows_to_read = 8192, force_primary_key = 1, analyze_index_with_space_filling_curves = 0;
SELECT count() FROM test WHERE x >= 10 AND x <= 20 AND y >= 20 AND y <= 30; -- { serverError 277 }
DROP TABLE test;
-- The same, but with more precise index
CREATE TABLE test (x UInt32, y UInt32) ENGINE = MergeTree ORDER BY mortonEncode(x, y) SETTINGS index_granularity = 1;
SET max_rows_to_read = 0;
INSERT INTO test SELECT number DIV 32, number % 32 FROM numbers(1024);
SET max_rows_to_read = 200, force_primary_key = 1, analyze_index_with_space_filling_curves = 1;
SELECT count() FROM test WHERE x >= 10 AND x <= 20 AND y >= 20 AND y <= 30;
DROP TABLE test;