SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function notEquals (children 1)
     ExpressionList (children 2)
      Function normalizedQueryHash (children 1)
       ExpressionList (children 1)
        Literal \'SELECT $doc$VALUE$doc$ AS `xyz`\'
      Function normalizedQueryHash (children 1)
       ExpressionList (children 1)
        Literal \'SELECT $doc$VALUE$doc$ AS `abc`\'
