pg_replication_origin_status 是一个 系统目录 视图，显示特定来源的回放的近似状态。它基于底层的 系统目录 表 pg_replication_origin。
pg_replication_origin_status 在 PostgreSQL 9.5 中添加。
按 PostgreSQL 版本定义
pg_replication_origin_status (PostgreSQL 17)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 16)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 15)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 14)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 13)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 12)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 11)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 10)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Collation | Nullable | Default
-------------+--------+-----------+----------+---------
local_id | oid | | |
external_id | text | | |
remote_lsn | pg_lsn | | |
local_lsn | pg_lsn | | |
pg_replication_origin_status (PostgreSQL 9.6)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Modifiers
-------------+--------+-----------
local_id | oid |
external_id | text |
remote_lsn | pg_lsn |
local_lsn | pg_lsn |
pg_replication_origin_status (PostgreSQL 9.5)
View "pg_catalog.pg_replication_origin_status"
Column | Type | Modifiers
-------------+--------+-----------
local_id | oid |
external_id | text |
remote_lsn | pg_lsn |
local_lsn | pg_lsn |
更改历史记录
- PostgreSQL 9.5
- 添加 (提交 5aa23504).
pg_replication_origin_status 自从在 PostgreSQL 9.5 中添加以来就没有修改过。
示例
逻辑复制订阅者上 pg_replication_origin_status 的示例内容
postgres=# SELECT * FROM pg_replication_origin_status;
local_id | external_id | remote_lsn | local_lsn
----------+---------------------------------------+------------+------------
1 | pgl_app_app_provider_app_subscription | 7/56A6A80 | 3/5D7767A0
(1 row)
参考文献
- PostgreSQL 文档： pg_replication_origin_status