CreateQuery check_query_comment_column (children 3)
 Identifier check_query_comment_column
 Columns definition (children 1)
  ExpressionList (children 5)
   ColumnDeclaration first_column (children 3)
    DataType UInt8
    Literal UInt64_1
    Literal \'comment 1\'
   ColumnDeclaration second_column (children 3)
    DataType UInt8
    Identifier first_column
    Literal \'comment 2\'
   ColumnDeclaration third_column (children 3)
    DataType UInt8
    Identifier second_column
    Literal \'comment 3\'
   ColumnDeclaration fourth_column (children 2)
    DataType UInt8
    Literal \'comment 4\'
   ColumnDeclaration fifth_column (children 1)
    DataType UInt8
 Storage definition (children 1)
  Function TinyLog