CREATE TABLE test.check_comments ( column_name1 UInt8 DEFAULT 1 COMMENT \'comment\',  column_name2 UInt8 COMMENT \'non default comment\') ENGINE = ReplicatedMergeTree(\'clickhouse/tables/test_comments\', \'r1\') ORDER BY column_name1 SETTINGS index_granularity = 8192
column_name1	UInt8	DEFAULT	1	comment	
column_name2	UInt8			non default comment	
CREATE TABLE test.check_comments ( column_name1 UInt8 DEFAULT 1 COMMENT \'another comment\',  column_name2 UInt8 COMMENT \'non default comment\') ENGINE = ReplicatedMergeTree(\'clickhouse/tables/test_comments\', \'r1\') ORDER BY column_name1 SETTINGS index_granularity = 8192
column_name1	UInt8	DEFAULT	1	another comment	
column_name2	UInt8			non default comment