postgresql/contrib/pg_controldata/README.pg_controldata

33 lines
1.2 KiB
Plaintext
Raw Normal View History

I had a need to read such things as the backend locale and the catalog
version number from the current database, and couldn't find any existing
program to do that.
2001-03-13 02:17:40 +01:00
The attached utility produces output like this:
2001-03-13 02:17:40 +01:00
$ pg_controldata
pg_control version number: 71
Catalog version number: 200101061
Database state: IN_PRODUCTION
pg_control last modified: Sat Mar 10 00:07:55 2001
Current log file id: 0
Next log file segment: 9
Latest checkpoint location: 0/88CAA20
Prior checkpoint location: 0/70A5D48
Latest checkpoint's REDO location: 0/88CAA20
Latest checkpoint's UNDO location: 0/0
Latest checkpoint's StartUpID: 22
Latest checkpoint's NextXID: 4711
Latest checkpoint's NextOID: 444704
Time of latest checkpoint: Sat Mar 10 00:07:52 2001
Database block size: 8192
Blocks per segment of large relation: 131072
2001-03-13 02:17:40 +01:00
LC_COLLATE: C
LC_CTYPE: C
To access the pg_control file, the program must be run as the Postgres user,
and PGDATA must be set correctly in its environment.
--
Oliver Elphick <olly@lfix.co.uk>