SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Identifier pow(four, 2)
    Identifier pow(two, 2)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function pow (alias four) (children 1)
            ExpressionList (children 2)
             Literal UInt64_2
             Literal UInt64_2
          ExpressionList (children 3)
           Function pow (children 1)
            ExpressionList (children 2)
             Identifier four
             Literal UInt64_2
           Literal UInt64_2 (alias two)
           Function pow (children 1)
            ExpressionList (children 2)
             Identifier two
             Literal UInt64_2
