On Fri, Sep 8, 2017 at 3:18 AM, Robert Haas <robertmhaas@gmail.com> wrote:
> On Mon, Sep 4, 2017 at 5:46 AM, Amit Kapila <amit.kapila16@gmail.com> wrote:
>> It seems like the consensus is to move forward with this approach. I
>> have written a patch implementing the above idea. Note, that to use
>> SetCurrentRoleId, we need the value of guc "is_superuser" for the
>> current user and we don't pass this value to parallel workers as this
>> is PGC_INTERNAL guc variable. So, I have passed this value via
>> FixedParallelState.
>
>
> With your patch, the order is wrong. SetCurrentRoleId() is called
> AFTER SetUserIdAndSecContext(). Furthermore, the role ID passed to
> SetCurrentRoleId() is always the same one passed to
> SetUserIdAndSecContext(). But those roles might be different.
> fps->current_user_id is set by a call to GetUserIdAndSecContext(),
> which reads CurrentUserId, not OuterUserId. I think you need to pass
> the value returned by GetCurrentRoleId() as an additional element of
> FixedParallelState.
>
You are right. I have changed the ordering and passed OuterUserId via
FixedParallelState.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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