ALTER POLICY
ALTER POLICY — change the definition of a row-level security policy
Synopsis
ALTER POLICYnameONtable_nameRENAME TOnew_nameALTER POLICYnameONtable_name[ TO {role_name| PUBLIC | CURRENT_ROLE | CURRENT_USER | SESSION_USER } [, ...] ] [ USING (using_expression) ] [ WITH CHECK (check_expression) ]
Description
ALTER POLICY changes the definition of an existing row-level security policy. Note thatALTER POLICY only allows the set of roles to which the policy applies and theUSING andWITH CHECK expressions to be modified. To change other properties of a policy, such as the command to which it applies or whether it is permissive or restrictive, the policy must be dropped and recreated.
To useALTER POLICY, you must own the table that the policy applies to.
In the second form ofALTER POLICY, the role list,using_expression, andcheck_expression are replaced independently if specified. When one of those clauses is omitted, the corresponding part of the policy is unchanged.
Parameters
nameThe name of an existing policy to alter.
table_nameThe name (optionally schema-qualified) of the table that the policy is on.
new_nameThe new name for the policy.
role_nameThe role(s) to which the policy applies. Multiple roles can be specified at one time. To apply the policy to all roles, use
PUBLIC.using_expressionThe
USINGexpression for the policy. SeeCREATE POLICY for details.check_expressionThe
WITH CHECKexpression for the policy. SeeCREATE POLICY for details.
Compatibility
ALTER POLICY is aPostgreSQL extension.