REVOKE PERMISSION

Removes privileges on database objects from a role. Privilege removal is immediate, even to active client sessions.

Syntax

REVOKE <permission> ON <resource_name> FROM <role_name> ;
Syntax legend
Legend
Syntax conventions Description

UPPERCASE

Literal keyword.

Lowercase

Not literal.

< >

Variable value. Replace with a user-defined value.

[]

Optional. Square brackets ([]) surround optional command arguments. Do not type the square brackets.

( )

Group. Parentheses ( ( ) ) identify a group to choose from. Do not type the parentheses.

|

Or. A vertical bar (|) separates alternative elements. Type any one of the elements. Do not type the vertical bar.

...

Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.

'<Literal string>'

Single quotation (') marks must surround literal strings in CQL statements. Use single quotation marks to preserve upper case.

{ <key> : <value> }

Map collection. Braces ({ }) enclose map collections or key value pairs. A colon separates the key and the value.

<datatype2

Set, list, map, or tuple. Angle brackets ( < > ) enclose data types in a set, list, map, or tuple. Separate the data types with a comma.

<cql_statement>;

End CQL statement. A semicolon (;) terminates all CQL statements.

[--]

Separate the command line options from the command arguments with two hyphens ( -- ). This syntax is useful when arguments might be mistaken for command line options.

' <<schema\> ... </schema\>> '

Search CQL only: Single quotation marks (') surround an entire XML schema declaration.

@<xml_entity>='<xml_entity_type>'

Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrConfig files.

Access control matrix tables

In the following tables, the hierarchy of permissions is shown for each resource type, as well as the permissions that can be granted on each resource.

Data resources

Cassandra database objects on which permissions are applied. Database resources have modelled hierarchy, the permission on a top level object gives the role the same permission on the objects ancestors.

Resource permissions

Type of access a role has to a database resource.

The following hierarchy is true for data: ALL KEYSPACES > KEYSPACE <keyspace_name> > ALL TABLES IN KEYSPACE <keyspace_name> > TABLE <table_name> > '<filtering_data>' ROWS IN <table_name>

Resource type: Data
Privilege Resource Permissions

ALL PERMISSIONS

resource_name

All operations that are applicable to the resource and its ancestors, where resource name is listed below.

ALTER

ALL KEYSPACES

ALTER KEYSPACE, ALTER TABLE, ALTER TYPE, RESTRICT ROW in any keyspace.

ALTER

KEYSPACE keyspace_name

ALTER KEYSPACE, ALTER TABLE, ALTER TYPE, and RESTRICT ROW in specified keyspace.

ALTER

TABLE table_name

ALTER TABLE and RESTRICT ROW of specified table.

CREATE

ALL KEYSPACES

CREATE KEYSPACE, CREATE TABLE, CREATE FUNCTIONS, and CREATE TYPE in any keyspace.

CREATE

KEYSPACE keyspace_name

CREATE TABLE and CREATE TYPE in specified keyspace.

DROP

ALL KEYSPACES

DROP KEYSPACE, DROP TABLE, and DROP TYPE in any keyspace

DROP

KEYSPACE keyspace_name

DROP TABLE and DROP TYPE in specified keyspace

DROP

TABLE table_name

DROP TABLE specified.

MODIFY

filtering_data ROWS IN table_name

MODIFY on rows that exactly match the filtering_data in specified table.

MODIFY

ALL KEYSPACES

INSERT, UPDATE, DELETE, and TRUNCATE on any table.

MODIFY

KEYSPACE keyspace_name

INSERT, UPDATE, DELETE, and TRUNCATE on any table in specified keyspace.

MODIFY

TABLE table_name

INSERT, UPDATE, DELETE, and TRUNCATE on specified table.

SELECT

filtering_data ROWS IN table_name

SELECT on rows that exactly match the filtering_data in specified table.

SELECT

ALL KEYSPACES

SELECT on any table.

SELECT

KEYSPACE keyspace_name

SELECT on any table in specified keyspace.

SELECT

TABLE table_name

SELECT on specified table.

The following hierarchy is true for JMX resources: ALL MBEANS > MBEAN <mbean_name> and MBEANS <pattern>

Resource type: JMX
Privilege Resource Permissions

DESCRIBE

ALL MBEANS

Retrieve metadata about any mbean from the platform’s MBeanServer.

DESCRIBE

MBEAN mbean_name

Retrieve metadata about a named mbean from the platform’s MBeanServer.

DESCRIBE

MBEANS pattern

Retrieve metadata about any mbean matching a wildcard pattern from the platform’s MBeanServer.

EXECUTE

ALL MBEANS

Execute operations on any mbean.

EXECUTE

MBEAN mbean_name

Execute operations on named mbean.

EXECUTE

MBEANS pattern

Execute operations on any mbean matching a wildcard pattern.

MODIFY

ALL MBEANS

Call setter methods on any mbean.

MODIFY

MBEAN mbean_name

Call setter methods on named mbean.

MODIFY

MBEANS pattern

Call setter methods on any mbean matching a wildcard pattern.

SELECT

ALL MBEANS

Call getter methods on any mbean.

SELECT

MBEAN mbean_name

Call getter methods on named mbean.

SELECT

MBEANS pattern

Call getter methods on any mbean matching a wildcard pattern.

The following hierarchy is true for search indexes: ALL SEARCH INDICES > SEARCH KEYSPACE <keyspace_name> > SEARCH INDICES [<keyspace_name>.]<table_name> > SEARCH INDEX <keyspace_name>.<table_name>

Resource type: Search index
Privilege Resource Permissions

ALL PERMISSIONS

ALL SEARCH INDICES

All search index privileges for all search indexes in the system.

ALL PERMISSIONS

SEARCH KEYSPACE keyspace_name

All search index privileges for all tables in specified keyspace.

ALL PERMISSIONS

SEARCH INDEX [keyspace_name.]table_name

All search index privileges for specified table.

SEARCH.ALTER

ALL SEARCH INDICES

ALTER SEARCH INDEX on all tables in all keyspaces.

SEARCH.ALTER

SEARCH KEYSPACE keyspace_name

ALTER SEARCH INDEX on all tables in specified keyspace.

SEARCH.ALTER

SEARCH INDEX [keyspace_name.]table_name

ALTER SEARCH INDEX on specified table.

SEARCH.COMMIT

ALL SEARCH INDICES

COMMIT SEARCH INDEX on all tables in all keyspaces.

SEARCH.COMMIT

SEARCH KEYSPACE keyspace_name

COMMIT SEARCH INDEX on all tables in specified keyspace.

SEARCH.COMMIT

SEARCH INDEX [keyspace_name.]table_name

COMMIT SEARCH INDEX on specified table.

SEARCH.CREATE

ALL SEARCH INDICES

CREATE SEARCH INDEX on all tables in all keyspaces.

SEARCH.CREATE

SEARCH KEYSPACE keyspace_name

CREATE SEARCH INDEX on all tables in specified keyspace.

SEARCH.CREATE

SEARCH INDEX [keyspace_name.]table_name

CREATE SEARCH INDEX on specified table.

SEARCH.DROP

ALL SEARCH INDICES

DROP SEARCH INDEX on all tables in all keyspaces.

SEARCH.DROP

SEARCH KEYSPACE keyspace_name

DROP SEARCH INDEX on all tables in specified keyspace.

SEARCH.DROP

SEARCH INDEX [keyspace_name.]table_name

DROP SEARCH INDEX on specified table.

SEARCH.REBUILD

ALL SEARCH INDICES

REBUILD SEARCH INDEX on any table in all keyspaces.

SEARCH.REBUILD

SEARCH KEYSPACE keyspace_name

REBUILD SEARCH INDEX on all tables in specified keyspace.

SEARCH.REBUILD

SEARCH INDEX [keyspace_name.]table_name

REBUILD SEARCH INDEX on specified table.

SEARCH.RELOAD

ALL SEARCH INDICES

RELOAD SEARCH INDEX on all tables in all keyspaces.

SEARCH.RELOAD

SEARCH KEYSPACE keyspace_name

RELOAD SEARCH INDEX on all tables in specified keyspace.

SEARCH.RELOAD

SEARCH INDEX [keyspace_name.]table_name

RELOAD SEARCH INDEX on specified table.

The following hierarchy is true for Spark application workpools: ANY WORKPOOL > WORKPOOL <datacenter_name>.* > `WORKPOOL <datacenter_name>.<workpool_name>

The following hierarchy is true for Spark application submissions: ANY SUBMISSION > ANY SUBMISSION IN WORKPOOL <datacenter_name>.* > SUBMISSION <application_ID>

Resource type: Spark applications
Privilege Resource Permissions

CREATE

ANY WORKPOOL

Submit an application to the work pool in any datacenter.

CREATE

WORKPOOL datacenter_name

Submit an application to the work pool in a specific datacenter.

MODIFY

ANY SUBMISSION

Manage any applications across all datacenters.

MODIFY

ANY SUBMISSION IN WORKPOOL datacenter_name

Manage applications in a specified datacenter.

MODIFY

SUBMISSION application_ID IN WORKPOOL datacenter_name

Manage a single application in a specified datacenter.

Example

Revoke simple permission on a resource to a role

  • Revoke the ALTER permission on the keyspace cycling to the coach role:

# REVOKE ALTER ON KEYSPACE cycling FROM coach;

Revoke all permissions on a resource to a role

  • Revoke all permissions on the keyspace cycling to the cycling_admin role:

REVOKE ALL PERMISSIONS ON KEYSPACE cycling TO cycling_admin;

Revoke multiple permissions on a resource to a role

  • Revoke the SELECT and MODIFY permissions on the keyspace cycling to the coach role:

  REVOKE SELECT ON KEYSPACE cycling FROM coach;
  REVOKE MODIFY ON KEYSPACE cycling FROM coach;

Notice that two commands are required.

Revoke AUTHORIZE permission on a resource to a role

  • Revoke the AUTHORIZE permission on the keyspace cycling to the cycling_admin role:

REVOKE AUTHORIZE ON KEYSPACE cycling FROM cycling_admin;

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