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Re: view

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On 09/08/2015 06:44 AM, Melvin Davidson wrote:
 >ERROR:  permission denied for relation sub_item

So obviously, the user doing the select on the view (ie: YOU)  does not
have SELECT permission on table sub_item.

It is more subtle then that:

test=# select current_user;
 current_user
--------------
 postgres


test=# create table sub_item (id int, fld_1 varchar);

test=> \c - aklaver

test=> select current_user;
 current_user
--------------
 aklaver

test=> create view sub_view as select * from sub_item;
CREATE VIEW


public | sub_item           | table | postgres
public | sub_view           | view  | aklaver


test=> select * from sub_view ;
ERROR:  permission denied for relation sub_item

test=> \c - postgres


test=# select current_user;
 current_user
--------------
 postgres


test=# select * from sub_view ;
ERROR:  permission denied for relation sub_item

test=# alter  view sub_view owner to postgres;
ALTER VIEW

test=# select * from sub_view ;
 id | fld_1
----+-------
(0 rows)


It is the view owner that determines the permissions of what can be selected. The catch is it is possible to create a view with a query it cannot run as the user it is created by.


On Tue, Sep 8, 2015 at 8:19 AM, Ramesh T <rameshparnanditech@xxxxxxxxx
<mailto:rameshparnanditech@xxxxxxxxx>> wrote:

    HI ,
             I have view .when i try to select view ,it had return
      select * from art;
    ERROR:  permission denied for relation sub_item
    SQL state: 42501




--
*Melvin Davidson*
I reserve the right to fantasize.  Whether or not you
wish to share my fantasy is entirely up to you.


--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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