DROP TABLE IF EXISTS old_format_mt; CREATE TABLE old_format_mt ( event_date Date, key UInt64, value1 UInt64, value2 String ) ENGINE = MergeTree(event_date, (key, value1), 8192); ALTER TABLE old_format_mt MODIFY SETTING enable_mixed_granularity_parts = 1; --{serverError 36} SELECT 1; DROP TABLE IF EXISTS old_format_mt;