On Sat, Feb 4, 2017 at 2:50 PM, Shinoda, Noriyoshi
<noriyoshi.shinoda@hpe.com> wrote:
> I tried a committed pg_sequences for PostgreSQL 10dev (https://commitfest.postgresql.org/12/771/).
> I found that when multiple users create SEQUENCE, I cannot see the pg_sequences catalog. I think that should work
justlike pg_tables.
>
> $ psql -U user1
> postgres=> CREATE SEQUENCE seq1 ;
> CREATE SEQUENCE
>
> $ psql -U user2
> postgres=> CREATE SEQUENCE seq2 ;
> CREATE SEQUENCE
> postgres=> SELECT * FROM pg_sequences ;
> ERROR: permission denied for sequence seq1
>
> Apparently it seems that the pg_sequence_last_value function included in the pg_sequences view definition cannot be
executed.
> Is this behavior supposed?
That seems user-unfriendly to me.
We could perhaps just use has_sequence_privilege() and return NULL if
the caller of pg_sequences does not have select and usage access to a
given sequence? Please see the patch attached.
--
Michael
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