SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Function modulo (children 1)
     ExpressionList (children 2)
      Identifier id
      Literal UInt64_7
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier u
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_sparse
   ExpressionList (children 1)
    Function modulo (children 1)
     ExpressionList (children 2)
      Identifier id
      Literal UInt64_7
   ExpressionList (children 1)
    OrderByElement (children 1)
     Function modulo (children 1)
      ExpressionList (children 2)
       Identifier id
       Literal UInt64_7