SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function v1 (children 1)
       ExpressionList (children 1)
        Function equals (children 1)
         ExpressionList (children 2)
          Identifier m
          Literal \'test\'
