CREATE TABLE source_table (`id` UInt32, `value` String) ENGINE = MergeTree ORDER BY id;
CREATE TABLE alias_4__fuzz_45 (`id` Array(Int8), `value` Array(Array(UInt256)), `status` UInt32) ENGINE = Alias('source_table');
INSERT INTO alias_4__fuzz_45 FORMAT Values (1, []);
Code: 49. DB::Exception: Block structure mismatch in function connect between RemovingSparseTransform and MergeTreeSink stream: different number of columns:
id Array(Int8) Array(size = 0, UInt64(size = 0), Int8(size = 0)), value Array(Array(UInt256)) Array(size = 0, UInt64(size = 0), Array(size = 0, UInt64(size = 0), UInt256(size = 0))), status UInt32 UInt32(size = 0)
id UInt32 UInt32(size = 0), value String String(size = 0). (LOGICAL_ERROR)