SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier id
    Identifier u
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_sparse_full
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier id
    OrderByElement (children 1)
     Identifier u
   Literal UInt64_4
   Set