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| author | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:36:08 -0400 |
|---|---|---|
| committer | Andrew Dunstan <andrew@dunslane.net> | 2013-09-02 14:36:08 -0400 |
| commit | c558e1e64db77634893ca062d1e8b8f841d54f56 (patch) | |
| tree | 081c46217740f91b29891b8195b2973266cba240 | |
| parent | b8288038baed0fd71f5c19a6a41f12265a719aea (diff) | |
| download | postgresql-c558e1e64db77634893ca062d1e8b8f841d54f56.tar.gz postgresql-c558e1e64db77634893ca062d1e8b8f841d54f56.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 adb9498578a..1a5258b9490 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> |