Re: Foreign Key Validation after Reference Table Ownership Change

On 03/21/2018 10:48 AM, Louis Battuello wrote:
>
>>
>> The point is you can't resolve a name like "schema_1.something" unless
>> you have USAGE on schema_1. So the RI-checking query, which is run as
>> the owner of the table, fails at parse time.
>
> That certainly makes sense for user_2 that owns the reference table and is blocked by not having usage on the reference table’s schema.
>
> But, user_1 owns both schemas and has usage on both but no longer owns the reference table in one schema. Why is user_1’s insert on the referencing table failing? Is the validation of the FK no longer done as user_1?
>

From Tom's post:
"
The point is you can't resolve a name like "schema_1.something" unless
you have USAGE on schema_1. So the RI-checking query, which is run as
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

the owner of the table, fails at parse time."
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

It is not the user that is doing the INSERT that matters it is the user
that owns the table that matters.

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com