36.37. role_table_grants

檢視表 role_table_grants 列出會授權者或被授權者為目前查詢的角色的資料表或檢視表所關連的所有權限。更多資訊可以參考在 table_privileges 裡。此檢視表與 table_privileges 之間唯一有效的區別是，此檢視表不包含了透過授權給 PUBLIC 的方式使目前角度有權存取的資料表。

Table 36.35. role_table_grants Columns

Column Type Description
grantor sql_identifier Name of the role that granted the privilege
grantee sql_identifier Name of the role that the privilege was granted to
table_catalog sql_identifier Name of the database that contains the table (always the current database)
table_schema sql_identifier Name of the schema that contains the table
table_name sql_identifier Name of the table
privilege_type character_data Type of the privilege: SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, or TRIGGER
is_grantable yes_or_no YES if the privilege is grantable, NO if not
with_hierarchy yes_or_no In the SQL standard, WITH HIERARCHY OPTION is a separate (sub-)privilege allowing certain operations on table inheritance hierarchies. In PostgreSQL, this is included in the SELECT privilege, so this column shows YES if the privilege is SELECT, else NO.