CREATE TABLE dict_data (key UInt64, val UInt64) Engine=Memory();


SELECT query_count, status FROM system.dictionaries WHERE database = currentDatabase() AND name = 'dict';
SYSTEM RELOAD DICTIONARY dict;
SELECT query_count, status FROM system.dictionaries WHERE database = currentDatabase() AND name = 'dict';
SELECT dictGetUInt64('dict', 'val', toUInt64(0));
SELECT query_count, status FROM system.dictionaries WHERE database = currentDatabase() AND name = 'dict';
