Re: Permission denied on schema for all users on insert to table with fk

On Thu, Jul 26, 2018 at 8:31 AM, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 07/26/2018 03:52 AM, Leland Weathers wrote:
>
>>
>>
>>
>
>
>
>> And a more complete example of what we are seeing with multiple
>> accounts. This particular set is from an account that has their role
>> set to that of the database & schema owner which is different than
>> the table owner role.
>>
>> __
>>
>> __ __
>>
>> system=# insert into results.batch (hostname, assemblyversion)
>> VALUES ('mycomp','0.0.0000.00000');____
>>
>> INSERT 0 1____
>>
>> system=# select lastval();____
>>
>> lastval____
>>
>> ---------____
>>
>> 6____
>>
>> (1 row)____
>>
>> __ __
>>
>> __ __
>>
>> system=# INSERT INTO results.historyitem
>> (batchid,datasourceid,sequence_order)____
>>
>> system-# VALUES____
>>
>> system-# (6,20,1);____
>>
>> ERROR: permission denied for schema results____
>>
>> LINE 1: SELECT 1 FROM ONLY "results"."batch"...____
>>
>> ^____
>>
>> QUERY: SELECT 1 FROM ONLY "results"."batch" x WHERE "id"
>> OPERATOR(pg_catalog.=) $1 FOR KEY SHARE OF x____
>>
>> system=# SELECT FROM results.batch WHERE id=6;
>>
>> --
>>
>> (1 row)
>>
>
> What does \dn+ results show?
>

system=# \dn+ results

List of schemas

Name | Owner | Access privileges | Description

---------+-------+---------------------------+-------------

results | dba | dba=UC/dba +|

| | system_reader=U/dba +|

| | system_batch_writer=U/dba+|

| | gb=U/dba |

(1 row)

system=#

>
> Before you mentioned a trigger. I am not seeing that in the schema you
> sent. Is there one and if so what is it's definition and that of its
> associated function?
>

I was referring to the "built-in" PostgreSQL system trigger for validating
fk constraints are met. The trigger that uses the "SELECT 1 FROM ONLY..."
query. That particular query which the logs say I don't have permissions to
execute is not part of my schema/code.

>
> What does show?:
>
> select session_user, current_user;
>

For this particular example, the session_user is: lw, current_user is dba
(database and schema owner role)

>
> INSERT INTO results.historyitem (batchid,datasourceid,sequence_order)
> VALUES (6,20,1);
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>