SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function mysql (children 1)
       ExpressionList (children 6)
        Literal \'127.0.0.1:9004\'
        Function currentDatabase (children 1)
         ExpressionList
        Identifier foo
        Literal \'default\'
        Literal \'\'
        Set
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key
