DROP TABLE IF EXISTS src; CREATE TABLE src (k UInt64, s FixedString(11)) ENGINE = Memory; INSERT INTO src VALUES (1, 'Hello\0World'); DROP DICTIONARY IF EXISTS dict; CREATE DICTIONARY dict ( k UInt64, s String ) PRIMARY KEY k SOURCE(CLICKHOUSE(HOST 'localhost' PORT tcpPort() USER default TABLE 'src')) LAYOUT(FLAT) LIFETIME(MIN 10 MAX 10); SELECT dictGet(currentDatabase() || '.dict', 's', number) FROM numbers(2); DROP DICTIONARY dict; DROP TABLE src;