SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function mysql (children 1)
       ExpressionList (children 7)
        Function mysql (children 1)
         ExpressionList (children 6)
          Literal \'127.0.0.1:9004\'
          Function currentDatabase (children 1)
           ExpressionList
          Literal \'foo\'
          Literal \'default\'
          Literal \'\'
          Set
        Literal \'127.0.0.1:9004\'
        Function currentDatabase (children 1)
         ExpressionList
        Literal \'foo\'
        Literal \'\'
        Literal \'\'
        Set
