pg_auth_members 是一个 系统目录 表,其中包含数据库组成员信息。
它取代了之前的系统目录表 pg_group,该表现在是一个 视图。
该表在集群的所有数据库之间共享。
psql 命令
\du提供数据库用户及其角色成员资格列表\du+提供与\du相同的信息,并包含用户的描述
系统函数
系统函数 pg_has_role() 可用于确定特定用户是否为特定角色的成员。
按 PostgreSQL 版本定义
pg_auth_members (PostgreSQL 19)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
----------------+---------+-----------+----------+---------
oid | oid | | not null |
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
inherit_option | boolean | | not null |
set_option | boolean | | not null |
Indexes:
"pg_auth_members_oid_index" PRIMARY KEY, btree (oid), tablespace "pg_global"
"pg_auth_members_grantor_index" btree (grantor), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid, grantor), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE CONSTRAINT, btree (roleid, member, grantor), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 18)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
----------------+---------+-----------+----------+---------
oid | oid | | not null |
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
inherit_option | boolean | | not null |
set_option | boolean | | not null |
Indexes:
"pg_auth_members_oid_index" PRIMARY KEY, btree (oid), tablespace "pg_global"
"pg_auth_members_grantor_index" btree (grantor), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid, grantor), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE CONSTRAINT, btree (roleid, member, grantor), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 17)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
----------------+---------+-----------+----------+---------
oid | oid | | not null |
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
inherit_option | boolean | | not null |
set_option | boolean | | not null |
Indexes:
"pg_auth_members_oid_index" PRIMARY KEY, btree (oid), tablespace "pg_global"
"pg_auth_members_grantor_index" btree (grantor), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid, grantor), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE CONSTRAINT, btree (roleid, member, grantor), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 16)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
----------------+---------+-----------+----------+---------
oid | oid | | not null |
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
inherit_option | boolean | | not null |
set_option | boolean | | not null |
Indexes:
"pg_auth_members_oid_index" PRIMARY KEY, btree (oid), tablespace "pg_global"
"pg_auth_members_grantor_index" btree (grantor), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid, grantor), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE CONSTRAINT, btree (roleid, member, grantor), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 15)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_role_member_index" PRIMARY KEY, btree (roleid, member), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 14)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_role_member_index" PRIMARY KEY, btree (roleid, member), tablespace "pg_global"
"pg_auth_members_member_role_index" UNIQUE CONSTRAINT, btree (member, roleid), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 13)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 12)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 11)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 10)
Table "pg_catalog.pg_auth_members"
Column | Type | Collation | Nullable | Default
--------------+---------+-----------+----------+---------
roleid | oid | | not null |
member | oid | | not null |
grantor | oid | | not null |
admin_option | boolean | | not null |
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.6)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.5)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.4)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.3)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.2)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.1)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 9.0)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 8.4)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Triggers:
pg_sync_pg_auth_members AFTER INSERT OR DELETE OR UPDATE ON pg_auth_members FOR EACH STATEMENT EXECUTE PROCEDURE flatfile_update_trigger()
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 8.3)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Triggers:
pg_sync_pg_auth_members AFTER INSERT OR DELETE OR UPDATE ON pg_auth_members FOR EACH STATEMENT EXECUTE PROCEDURE flatfile_update_trigger()
Tablespace: "pg_global"
文档: pg_auth_members
pg_auth_members (PostgreSQL 8.2)
Table "pg_catalog.pg_auth_members"
Column | Type | Modifiers
--------------+---------+-----------
roleid | oid | not null
member | oid | not null
grantor | oid | not null
admin_option | boolean | not null
Indexes:
"pg_auth_members_member_role_index" UNIQUE, btree (member, roleid), tablespace "pg_global"
"pg_auth_members_role_member_index" UNIQUE, btree (roleid, member), tablespace "pg_global"
Triggers:
pg_sync_pg_auth_members AFTER INSERT OR DELETE OR UPDATE ON pg_auth_members FOR EACH STATEMENT EXECUTE PROCEDURE flatfile_update_trigger()
Tablespace: "pg_global"
文档: pg_auth_members
变更历史
- PostgreSQL 16
- 添加了列
set_option(commit 3d14e171)
- 添加了列
- PostgreSQL 9.0
- 移除了
pg_sync_pg_authmembers触发器 (commit a8bb8eb5)
- 移除了
- PostgreSQL 8.1
- 添加(提交 7762619e)
示例
postgres=# SELECT * FROM pg_auth_members; roleid | member | grantor | admin_option --------+--------+---------+-------------- 3374 | 3373 | 10 | f 3375 | 3373 | 10 | f 3377 | 3373 | 10 | f (3 rows)
参考资料
- PostgreSQL 文档: pg_auth_members
另请参阅
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