ALTER AUDIT POLICY

Function

ALTER AUDIT POLICY modifies the unified audit policy.

Precautions

• Only user poladmin, user sysadmin, or the initial user can perform this operation.
• The unified audit policy takes effect only after enable_security_policy is set to on.

Syntax

AlterAuditPolicy ::= ALTER AUDIT POLICY [ IF EXISTS ] policy_name { ADD | REMOVE } { [ privilege_audit_clause ] [ access_audit_clause ] };

AlterAuditPolicy ::= ALTER AUDIT POLICY [ IF EXISTS ] policy_name MODIFY ( filter_group_clause );
ALTER AUDIT POLICY [ IF EXISTS ] policy_name DROP FILTER;

AlterAuditPolicy ::= ALTER AUDIT POLICY [ IF EXISTS ] policy_name COMMENTS policy_comments;

AlterAuditPolicy ::= ALTER AUDIT POLICY [ IF EXISTS ] policy_name { ENABLE | DISABLE };

• privilege_audit_clause：

  privilege_audit_clause ::= PRIVILEGES { DDL | ALL };

• access_audit_clause：

  access_audit_clause ::= ACCESS { DML | ALL };

• filter_group_clause

  filter_group_clause ::= FILTER ON { FILTER_TYPE ( filter_value [, ... ] ) } [, ... ]

Parameter Description

• policy_name

  Specifies the audit policy name, which must be unique.

  Value range: a string. It must comply with the naming convention.

• DDL

  Specifies the operations that are audited within the database: CREATE, ALTER, DROP, ANALYZE, COMMENT, GRANT, REVOKE, SET, SHOW, LOGIN_ANY, LOGIN_FAILURE, LOGIN_SUCCESS, and LOGOUT.

• ALL

  Indicates all operations supported by the specified DDL statements in the database.

• DML

  Specifies the operations that are audited within the database: SELECT, COPY, DEALLOCATE, DELETE, EXECUTE, INSERT, PREPARE, REINDEX, TRUNCATE, and UPDATE.

• FILTER_TYPE

  Specifies the types of information to be filtered by the audit: IP, ROLES, and APP.

• filter_value

  Indicates the detailed information to be filtered.

• policy_comments

  Records description information of audit policies.

• ENABLE|DISABLE

  Enables or disables the unified audit policy. If ENABLE|DISABLE is not specified, ENABLE is used by default.

Examples

See Examples in CREATE AUDIT POLICY.