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| author | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:35:26 -0400 |
|---|---|---|
| committer | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:35:26 -0400 |
| commit | d1f638bcd8db6e5c9cd471c067829a42e34fdbcd (patch) | |
| tree | 223e8da314341e9bfbec98d8eeb26a3a5287d06e | |
| parent | fb5941d323816ba0141fbd5a6df1d14155bfd006 (diff) | |
| download | postgresql-d1f638bcd8db6e5c9cd471c067829a42e34fdbcd.tar.gz postgresql-d1f638bcd8db6e5c9cd471c067829a42e34fdbcd.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.
| -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 d7ca37c5f36..580f6173c7b 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -492,7 +492,12 @@ examine this information is to execute queries such as: <programlisting> -SELECT relname, age(relfrozenxid) FROM pg_class WHERE relkind = 'r'; +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 = 'r'; + SELECT datname, age(datfrozenxid) FROM pg_database; </programlisting> |