SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function equals (children 1)
     ExpressionList (children 2)
      Function unbin (children 1)
       ExpressionList (children 1)
        Literal \'0\'
      Literal \'\\0\'