diff options
-rw-r--r-- | doc/src/sgml/ddl.sgml | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml index 9d6ec2c7382..0be07747489 100644 --- a/doc/src/sgml/ddl.sgml +++ b/doc/src/sgml/ddl.sgml @@ -1578,8 +1578,10 @@ ALTER TABLE products RENAME TO items; </para> <para> - The right to modify or destroy an object is always the privilege of - the owner only. + The right to modify or destroy an object is inherent in being the + object's owner, and cannot be granted or revoked in itself. + (However, like all privileges, that right can be inherited by + members of the owning role; see <xref linkend="role-membership"/>.) </para> <para> @@ -1614,17 +1616,11 @@ GRANT UPDATE ON accounts TO joe; </para> <para> - To revoke a privilege, use the fittingly named + To revoke a previously-granted privilege, use the fittingly named <xref linkend="sql-revoke"/> command: <programlisting> REVOKE ALL ON accounts FROM PUBLIC; </programlisting> - The special privileges of the object owner (i.e., the right to do - <command>DROP</command>, <command>GRANT</command>, <command>REVOKE</command>, etc.) - are always implicit in being the owner, - and cannot be granted or revoked. But the object owner can choose - to revoke their own ordinary privileges, for example to make a - table read-only for themselves as well as others. </para> <para> @@ -1639,6 +1635,13 @@ REVOKE ALL ON accounts FROM PUBLIC; </para> <para> + An object's owner can choose to revoke their own ordinary privileges, + for example to make a table read-only for themselves as well as others. + But owners are always treated as holding all grant options, so they + can always re-grant their own privileges. + </para> + + <para> The available privileges are: <variablelist> @@ -4695,7 +4698,7 @@ EXPLAIN SELECT count(*) FROM measurement WHERE logdate >= DATE '2008-01-01'; </itemizedlist> </para> </sect2> - + <sect2 id="ddl-partitioning-declarative-best-practices"> <title>Declarative Partitioning Best Practices</title> |