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15 lines
635 B
SQL
15 lines
635 B
SQL
CREATE TABLE t (click_city_id UInt32, click_country_id UInt32) Engine = Memory;
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CREATE TABLE d_src (id UInt64, country_id UInt8, name String) Engine = Memory;
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INSERT INTO t VALUES (0, 0);
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INSERT INTO d_src VALUES (0, 0, 'n');
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CREATE DICTIONARY d (id UInt32, country_id UInt8, name String)
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PRIMARY KEY id
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER 'default' DB currentDatabase() table 'd_src'))
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LIFETIME(MIN 1 MAX 1)
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LAYOUT(HASHED());
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SELECT click_country_id FROM t AS cc LEFT JOIN d ON toUInt32(d.id) = cc.click_city_id;
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SELECT click_country_id FROM t AS cc LEFT JOIN d ON d.country_id < 99 AND d.id = cc.click_city_id;
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