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| author | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:38:12 -0400 |
|---|---|---|
| committer | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:38:12 -0400 |
| commit | f002dc3d4d6600a4095daf83a9584f19d0bd5844 (patch) | |
| tree | 05504b2f189f82eea076619449d536ad6104571e /doc/src | |
| parent | 6a007fa1ebf1da54b09963be565c122b1b938126 (diff) | |
| download | postgresql-f002dc3d4d6600a4095daf83a9584f19d0bd5844.tar.gz postgresql-f002dc3d4d6600a4095daf83a9584f19d0bd5844.zip | |
Fix relfrozenxid query in docs to include TOAST tables.
The original query ignored TOAST tables which could result in tables
needing a vacuum not being reported.
Backpatch to all live branches.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/maintenance.sgml | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index c34ca534087..b5a58c2f954 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -534,7 +534,12 @@ examine this information is to execute queries such as: <programlisting> -SELECT relname, age(relfrozenxid) FROM pg_class WHERE relkind IN ('r', 'm'); +SELECT c.oid::regclass as table_name, + greatest(age(c.relfrozenxid),age(t.relfrozenxid)) as age +FROM pg_class c +LEFT JOIN pg_class t ON c.reltoastrelid = t.oid +WHERE c.relkind IN ('r', 'm'); + SELECT datname, age(datfrozenxid) FROM pg_database; </programlisting> |