Re: [HACKERS] INSERT INTO view means what exactly?

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: [HACKERS] INSERT INTO view means what exactly?
Дата
Msg-id 199909211944.PAA15774@candle.pha.pa.us
обсуждение исходный текст
Ответ на INSERT INTO view means what exactly?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] INSERT INTO view means what exactly?  (wieck@debis.com (Jan Wieck))
Список pgsql-hackers
Does anyone know a cause for this?


> With current sources:
> 
> regression=> CREATE TABLE x (y text);
> CREATE
> regression=> CREATE VIEW z AS select * from x;
> CREATE
> regression=> INSERT INTO x VALUES ('foo');
> INSERT 411635 1
> regression=> INSERT INTO z VALUES ('bar');
> INSERT 411636 1
> regression=> select * from x;
> y
> ---
> foo
> (1 row)
> 
> regression=> select * from z;
> y
> ---
> foo
> (1 row)
> 
> OK, where'd tuple 411636 go?  Seems to me that the insert should either
> have been rejected or caused an insert into x, depending on how
> transparent you think views are (I always thought they were
> read-only?).  Dropping the data into never-never land and giving a
> misleading success response code is not my idea of proper behavior.
> 
>             regards, tom lane
> 
> 


--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026
 


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: [HACKERS] strange behavior of UPDATE
Следующее
От: Bruce Momjian
Дата:
Сообщение: Re: [HACKERS] inherited GROUP BY is busted ... I need some help here