SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function rightPad (alias a) (children 1)
     ExpressionList (children 2)
      Function toFixedString (children 1)
       ExpressionList (children 2)
        Literal \'abc343243424324\'
        Literal UInt64_15
      Literal UInt64_1
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier a
