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17 lines
411 B
SQL
17 lines
411 B
SQL
DROP TABLE IF EXISTS test_grace_hash;
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CREATE TABLE test_grace_hash (id UInt32, value UInt64) ENGINE = MergeTree ORDER BY id;
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INSERT INTO test_grace_hash SELECT number, number % 100 = 0 FROM numbers(100000);
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SET join_algorithm = 'grace_hash';
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SELECT count() FROM (
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SELECT f.id FROM test_grace_hash AS f
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LEFT JOIN test_grace_hash AS d
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ON f.id = d.id
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LIMIT 1000
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);
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DROP TABLE test_grace_hash;
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