1 8192 CREATE TABLE json_compact_shared_path_cache (id UInt64, j JSON(max_dynamic_paths = 0)) ENGINE = MergeTree ORDER BY id SETTINGS index_granularity = 1, min_bytes_for_wide_part = '1G', write_marks_for_substreams_in_compact_parts = 0 INSERT INTO json_compact_shared_path_cache SELECT number, toJSONString(map('a', number, 'b', number + 1)) FROM numbers(8192) SELECT j, j.a, j.b FROM json_compact_shared_path_cache FORMAT Null SELECT j.a, j.b FROM json_compact_shared_path_cache FORMAT Null DROP TABLE json_compact_shared_path_cache