ALTER POLICY(7) PostgreSQL 15.7 Documentation ALTER POLICY(7)
NAME
ALTER_POLICY - change the definition of a row-level security policy
SYNOPSIS
ALTER POLICY name ON table_name RENAME TO new_name
ALTER POLICY name ON table_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 that ALTER POLICY only allows the set of roles to which
the policy applies and the USING and WITH 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 use ALTER POLICY, you must own the table that the policy applies to.
In the second form of ALTER POLICY, the role list, using_expression,
and check_expression are replaced independently if specified. When one
of those clauses is omitted, the corresponding part of the policy is
unchanged.
PARAMETERS
name
The name of an existing policy to alter.
table_name
The name (optionally schema-qualified) of the table that the policy
is on.
new_name
The new name for the policy.
role_name
The 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_expression
The USING expression for the policy. See CREATE POLICY
(CREATE_POLICY(7)) for details.
check_expression
The WITH CHECK expression for the policy. See CREATE POLICY
(CREATE_POLICY(7)) for details.
COMPATIBILITY
ALTER POLICY is a PostgreSQL extension.
SEE ALSO
CREATE POLICY (CREATE_POLICY(7)), DROP POLICY (DROP_POLICY(7))
PostgreSQL 15.7 2024 ALTER POLICY(7)
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