STATISTICS VIEW · 统计视图

pg_stat_subscription

At least one row per subscription, showing information about the subscription workers. See pg_stat_subscription for details.

首次收录 PG 10最近收录 PG 19当前字段 11

已与 PostgreSQL 18.6 实例逐字段核对 · 原始实测记录 ↗

字段结构 PostgreSQL 18

字段 / COLUMN	类型 / TYPE	说明 / DESCRIPTION
`subid`	`oid`	OID of the subscription
`subname`	`name`	Name of the subscription
`worker_type`	`text`	Type of the subscription worker process. Possible types are apply, parallel apply, and table synchronization.
`pid`	`integer`	Process ID of the subscription worker process
`leader_pid`	`integer`	Process ID of the leader apply worker if this process is a parallel apply worker; NULL if this process is a leader apply worker or a table synchronization worker
`relid`	`oid`	OID of the relation that the worker is synchronizing; NULL for the leader apply worker and parallel apply workers
`received_lsn`	`pg_lsn`	Last write-ahead log location received, the initial value of this field being 0; NULL for parallel apply workers
`last_msg_send_time`	`timestamp with time zone`	Send time of last message received from origin WAL sender; NULL for parallel apply workers
`last_msg_receipt_time`	`timestamp with time zone`	Receipt time of last message received from origin WAL sender; NULL for parallel apply workers
`latest_end_lsn`	`pg_lsn`	Last write-ahead log location reported to origin WAL sender; NULL for parallel apply workers
`latest_end_time`	`timestamp with time zone`	Time of last write-ahead log location reported to origin WAL sender; NULL for parallel apply workers

标记“隐式列”的字段不包含在 SELECT * 中；部分早期统计视图由同版本源码补全，额外来源会显示在字段说明中。

悬停查看字段类型

存在新增 / 类型或属性变化移除

字段 / COLUMN	9.0	9.1	9.2	9.3	9.4	9.5	9.6	10	11	12	13	14	15	16
`subid`	–	–	–	–	–	–	–
`subname`	–	–	–	–	–	–	–
`pid`	–	–	–	–	–	–	–
`relid`	–	–	–	–	–	–	–
`received_lsn`	–	–	–	–	–	–	–
`last_msg_send_time`	–	–	–	–	–	–	–
`last_msg_receipt_time`	–	–	–	–	–	–	–
`latest_end_lsn`	–	–	–	–	–	–	–
`latest_end_time`	–	–	–	–	–	–	–
`leader_pid`	–	–	–	–	–	–	–	–	–	–	–	–	–
`worker_type`	–	–	–	–	–	–	–	–	–	–	–	–	–	–

9.0 是收录基线；基线中已存在的字段不标记为新增。矩阵按字段名称对齐，重命名显示为旧字段移除与新字段新增。

相邻大版本的变化

PostgreSQL 19 ← 18

8 处字段说明更新

PostgreSQL 17 ← 16

+ worker_type1 处字段说明更新

PostgreSQL 16 ← 15

+ leader_pid6 处字段说明更新

PostgreSQL 15 ← 14

目录说明更新

PostgreSQL 13 ← 12

目录说明更新

PostgreSQL 12 ← 11

目录说明更新

PostgreSQL 10 ← 9.6新增目录

+ subid+ subname+ pid+ relid+ received_lsn+ last_msg_send_time+ last_msg_receipt_time+ latest_end_lsn+ latest_end_time

起始版本 / FROM目标版本 / TO包含描述更新

选择两个版本，查看字段的新增、移除与类型变化。交互比较需要 JavaScript；演化时间线可直接阅读。