drop table if exists `table_00483`; create table `table_00483` (date Date, `Struct.Key1` Array(UInt64), `Struct.Key2` Array(UInt64), padding FixedString(16)) engine = MergeTree(date, (date), 16); insert into `table_00483` select today() as date, [number], [number + 1], toFixedString('', 16) from system.numbers limit 100; set preferred_max_column_in_block_size_bytes = 96; select blockSize(), * from `table_00483` prewhere `Struct.Key1`[1] = 19 and `Struct.Key2`[1] >= 0 format Null; drop table if exists `table_00483`; create table `table_00483` (date Date, `Struct.Key1` Array(UInt64), `Struct.Key2` Array(UInt64), padding FixedString(16), x UInt64) engine = MergeTree(date, (date), 8); insert into `table_00483` select today() as date, [number], [number + 1], toFixedString('', 16), number from system.numbers limit 100; set preferred_max_column_in_block_size_bytes = 112; select blockSize(), * from `table_00483` prewhere x = 7 format Null; drop table if exists `table_00483`;