SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Function sum (children 1)
     ExpressionList (children 1)
      Function if (alias if_expr) (children 1)
       ExpressionList (children 3)
        Function equals (alias cond_expr) (children 1)
         ExpressionList (children 2)
          Function modulo (children 1)
           ExpressionList (children 2)
            Identifier number
            Literal UInt64_2
          Literal UInt64_0
        Literal UInt64_1 (alias one_expr)
        Literal UInt64_0 (alias zero_expr)
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier cond_expr
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier if_expr
    Identifier one_expr
    Identifier zero_expr
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_100