CREATE TABLE default.test_table\n(\n    `col1` DateTime,\n    `col2` Int64,\n    `col3` AggregateFunction(1, sumMap, Tuple(Array(UInt8), Array(UInt8)))\n)\nENGINE = AggregatingMergeTree\nORDER BY (col1, col2)\nSETTINGS index_granularity = 8192