Help Center/Data Warehouse Service/Standard Data Warehouse (9.1.0.x)/DWS System Catalogs and Views/System Catalogs/PG_FINE_DR_INFO
Updated on 2025-10-09 GMT+08:00
View PDF

PG_FINE_DR_INFO

The PG_FINE_DR_INFO system catalog records the replay status of the fine-grained DR standby table. This system catalog is supported only by clusters of version 8.2.0.100 or later.

Table 1 PG_FINE_DR_INFO columns

Name

Type

Description

OID

OID

Row identifier (hidden attribute; displayed only when explicitly selected)

relid

OID

OID of the standby fine-grained DR table

lastcsn

Xid

CSN of the last successful playback

lastxmin

Xid

xmin of the last successful playback

lastxmax

Xid

xmax of the last successful playback

laststarttime

Timestamp with time zone

Start time of the last successful playback

lastendtime

Timestamp with time zone

End time of the last successful playback

Examples

Check the playback status of the standby table in the DR cluster.

1
2
3
4
5
SELECT * FROM pg_fine_dr_info;
 relid | lastcsn | lastxmin | lastxmax |         laststarttime         |          lastendtime
-------+---------+----------+----------+-------------------------------+-------------------------------
 21132 | 1251610 |  1251609 |  1251611 | 2023-01-04 20:51:58.375136+08 | 2023-01-04 20:51:58.393986+08
(1 row)
Parent Topic: System Catalogs