SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function hex (children 1)
     ExpressionList (children 1)
      Function BLAKE3 (children 1)
       ExpressionList (children 1)
        Function BLAKE3 (children 1)
         ExpressionList (children 1)
          Literal \'a\'