From: | Paul Förster <paul(dot)foerster(at)gmail(dot)com> |
---|---|
To: | Wells Oliver <wells(dot)oliver(at)gmail(dot)com> |
Cc: | pgsql-admin <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: UPDATE works on a view? |
Date: | 2020-08-06 05:56:27 |
Message-ID: | ACCB0592-8786-4E68-8250-39ADF143BF37@gmail.com |
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Thread: | |
Lists: | pgsql-admin |
Hi Oliver,
> On 05. Aug, 2020, at 20:30, Wells Oliver <wells(dot)oliver(at)gmail(dot)com> wrote:
>
> Err, sorry if this is back to basics, but I was very confused by someone being able to UPDATE myview SET col = 1 and the underlying table actually being updated properly.
>
> Is this recent? When did we become able to UPDATE on views?
yes, this is possible:
postgres=# create table t(i int);
CREATE TABLE
postgres=# create view v(i) as select i from t;
CREATE VIEW
postgres=# insert into v(i) values (0);
INSERT 0 1
postgres=# select * from v;
i
---
0
(1 row)
postgres=# update v set i=3;
UPDATE 1
postgres=# select * from v;
i
---
3
(1 row)
But I don't know since which PostgreSQL version views can up updated.
Cheers,
Paul
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