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Note: The following description applies both to Postgres-XC and PostgreSQL if not described explicitly. You can read PostgreSQL as Postgres-XC except for version number, which is specific to each product.
The view applicable_roles identifies all roles whose privileges the current user can use. This means there is some chain of role grants from the current user to the role in question. The current user itself is also an applicable role. The set of applicable roles is generally used for permission checking.
Table 33-3. applicable_roles Columns
| Name | Data Type | Description |
|---|---|---|
| grantee | sql_identifier | Name of the role to which this role membership was granted (can be the current user, or a different role in case of nested role memberships) |
| role_name | sql_identifier | Name of a role |
| is_grantable | yes_or_no | YES if the grantee has the admin option on the role, NO if not |