CreateQuery t_missed_subcolumns (children 3)
 Identifier t_missed_subcolumns
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration n.a (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier id
