database/postgres
database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-04-27 22:56:53 +03:00
Code

Fix relfrozenxid query in docs to include TOAST tables.

Browse Source 
The original query ignored TOAST tables which could result in tables
needing a vacuum not being reported.

Backpatch to all live branches.
This commit is contained in:
Andrew Dunstan 2013-09-02 14:38:12 -04:00
parent 6a007fa1eb
commit f002dc3d4d
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
doc/src/sgml/maintenance.sgml
View File

@ -534,7 +534,12 @@
examine this information is to execute queries such as: examine this information is to execute queries such as:
<programlisting> <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; SELECT datname, age(datfrozenxid) FROM pg_database;
</programlisting> </programlisting>