SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier n1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier n2
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier n3
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier n1.number
        Identifier n3.number
   ExpressionList (children 3)
    OrderByElement (children 1)
     Identifier n1.number
    OrderByElement (children 1)
     Identifier n2.number
    OrderByElement (children 1)
     Identifier n3.number
