REVOKE (server privileges) statement

This form of the REVOKE statement revokes the privilege to access and use a specified data source in pass-through mode.

Invocation

This statement can be embedded in an application program or issued through the use of dynamic SQL statements. It is an executable statement that can be dynamically prepared only if DYNAMICRULES run behavior is in effect for the package (SQLSTATE 42509).

Authorization

The privileges held by the authorization ID of the statement must include ACCESSCTRL or SECADM authority.

Syntax

Read syntax diagramSkip visual syntax diagramREVOKE PASSTHRU ON SERVERserver-name FROM,USERGROUPROLEauthorization-namePUBLICBY ALL

Description

SERVER server-name
Names the data source for which the privilege to use in pass-through mode is being revoked. server-name must identify a data source that is described in the catalog.
FROM
Specifies from whom the privilege is revoked.
USER
Specifies that the authorization-name identifies a user.
GROUP
Specifies that the authorization-name identifies a group name.
ROLE
Specifies that the authorization-name identifies a role name.
authorization-name,...
Lists the authorization IDs of one or more users, groups, or roles.

The list of authorization IDs cannot include the authorization ID of the user issuing the statement (SQLSTATE 42502).

PUBLIC
Revokes from PUBLIC the privilege to pass through to server-name.
BY ALL
Revokes the privilege from all named users who were explicitly granted that privilege, regardless of who granted it. This is the default behavior.

Rules

  • For each authorization-name specified, if neither USER, GROUP, nor ROLE is specified, then:
    • For all rows for the specified object in the SYSCAT.PASSTHRUAUTH catalog view where the grantee is authorization-name:
      • If all rows have a GRANTEETYPE of 'U', USER is assumed.
      • If all rows have a GRANTEETYPE of 'G', GROUP is assumed.
      • If all rows have a GRANTEETYPE of 'R', ROLE is assumed.
      • If all rows do not have the same value for GRANTEETYPE, an error is returned (SQLSTATE 56092).

Examples

  • Example 1: Revoke USER6's privilege to pass through to data source MOUNTAIN. 
       REVOKE PASSTHRU ON SERVER MOUNTAIN FROM USER USER6
  • Example 2: Revoke group D024's privilege to pass through to data source EASTWING. 
       REVOKE PASSTHRU ON SERVER EASTWING FROM GROUP D024
    The members of group D024 will no longer be able to use their group ID to pass through to EASTWING. But if any members have the privilege to pass through to EASTWING under their own user IDs, they will retain this privilege.