SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function ignore (children 1)
     ExpressionList (children 1)
      Function lengthUTF8 (children 1)
       ExpressionList (children 1)
        Function lowerUTF8 (children 1)
         ExpressionList (children 1)
          Function randomStringUTF8 (children 1)
           ExpressionList (children 1)
            Literal UInt64_99
