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16 lines
450 B
SQL
16 lines
450 B
SQL
DROP TABLE IF EXISTS n;
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DROP TABLE IF EXISTS r;
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CREATE TABLE n (k UInt32) ENGINE = Memory;
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CREATE TABLE r (k UInt32, name String) ENGINE = Memory;
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SET enable_debug_queries = 1;
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SET enable_optimize_predicate_expression = 0;
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ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name = 'A';
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ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name LIKE 'A%';
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ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name NOT LIKE 'A%';
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DROP TABLE n;
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DROP TABLE r;
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