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23 lines
634 B
SQL
23 lines
634 B
SQL
DROP TABLE IF EXISTS userid_test;
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SET use_index_for_in_with_subqueries = 1;
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CREATE TABLE userid_test (userid UInt64) ENGINE = MergeTree() PARTITION BY (intDiv(userid, 500)) ORDER BY (userid) SETTINGS index_granularity = 8192;
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INSERT INTO userid_test VALUES (1),(2),(3),(4),(5);
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DROP TABLE IF EXISTS userid_set;
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CREATE TABLE userid_set(userid UInt64) ENGINE = Set;
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INSERT INTO userid_set VALUES (1),(2),(3);
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SELECT * FROM userid_test WHERE userid IN (1, 2, 3);
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SELECT * FROM userid_test WHERE toUInt64(1) IN (userid_set);
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SELECT * FROM userid_test WHERE userid IN (userid_set);
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DROP TABLE userid_test;
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DROP TABLE userid_set;
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